Freelancer logo
Log In Sign Up
Post a Project

EXPLORE

C Programming Engineering Visual Basic Windows Desktop Wireless
Profile cover photo
User Avatar

Alin Eugen P.

@Codetronics

0.0
0

0.0

0.0

0%

Embedded Systems Engineer

$40 USD / Hour

・

Flag of

Germany (6:48 AM)

・

Joined on April 17, 2012

$40 USD / Hour

・

Experienced in embedded software and hardware development. Delivering complete solutions, from electrical design, PCB routing, fabrication and soldering to firmware and software development. Accomplished projects in different fields, including automotive, home automation, HVAC systems, CNC machining, power monitoring, GSM, GPS, LED displays, etc.

Verifications

Freelancer C Programmers Germany
See all C Programmers in Germany

Portfolio

Portfolio

180115
High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

180109
Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

180107
Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

179658
GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

179652
Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

179648
Starter board for Atmega AVR DIP40 microcontrollers - full design (electrical schematic, PCB routing, firmware) and basic software drivers: - Atmega AVR DIP40 package (Atmega16/32 and derivates) - AVR-ISP6 header for programming - RS232 Serial connection (USART) - PWM outputs with LED indicators - Interrupt inputs - 4 x 4 push-button keypad - LCD and GLCD standard headers, with backlight support - ADC inputs - Serial memory on SPI - 2 x 8 outputs, with LED indicators

Atmega AVR Starter Board

180115
High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

High precision power monitoring system - full design (electrical schematic, PCB routing, firmware, basic PC application) - A general-purpose power monitor system with 64 channels of measurement, each with voltage, current and power sensing. Precision of under 1mA for small currents, range up to 12A per channel, with extension possibility. Each channel has peak-value retention and alarm threshold for all measured values. The measuring method is shunt resistor - Each channel is handled by a dedicated IC, for fast high sampling rates, and fast reaction, and can be set to alert on over-voltage, over-current and over-power conditions - Interface composed of a graphical mono-color LCD, with touchscreen, and USB connection. - Initial application of the system was measuring power consumption in PC systems, on each wire coming from the power supply. The data was used in software driver optimization for low-power consumption. It also enabled analysis of power distribution over the whole syst

PowerMeter

180109
Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

Prototype RGB LED full-color video display panel with controller network - full design (electrical schematic, PCB routing, firmware) - First generation based on LED modules with 4 x 8 pixels with 30mm pitch for outdoor use, with 5mm LEDs, in R1G2B1 pixel configuration. - Second generation based on LED modules with 4 x 8 pixels with 10mm pitch for indoor use, with 0603 LEDs, in R1G2B1 pixel configuration - Various video input sources (RGB, Component, Composite, S-Video) through the Video Controller - System performance reaches 100 FPS or 100 Hz refresh, with 24 bit colors The system is composed of a main VideoController, and several NodeControllers, each of them controlling several LED modules. The VideoController is based on Xilinx Spartan3E FPGA core, with a VDEC1 video decoder board. A Dual-Port RAM architecture allows it to have independent video clocks for input signal and panel control signals. Multiple serial transceivers connect the unit to all the NodeControllers.

Full-Color Video LED display panel

180107
Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

Control module for a HVAC system - full design (electrical schematic, PCB routing, firmware) - Centered on an AVR core, it forms a basic PLC system with a central controller board. - Extension bus for future modules (wireless user terminal and wireless temperature sensors are some proposals) - There are several types of I/O boards designed for this system: o Input Module: 8 opto-protected inputs, which can work with both AC and DC voltage. The voltage range depends of the chosen input resistors (5VDC and 220VAC are default configurations) o Output Module: 8 relay power outputs, which can switch both AC and DC o Interface Module: alphanumeric LCD with mini-keypad and LED indicators

HVAC Control Module

179658
GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

GPS/GSM Fleet Tracker - full design (electrical schematic, PCB routing, firmware, basic PC application) - Flexible tracker system, with GPRS position reporting and SMS command input. - System can read various inputs (locking status, fuel level, etc) and command various outputs (engine cut-off, locking, windows, etc) - GPRS data connection for position and status update - SMS command mode for remote control - Battery backed operation - +12V and +24V system compatibility - USB connectivity

GPS/GSM Fleet Tracker

179652
Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

Control module for a CNC Drill - full design (electrical schematic, PCB routing, firmware) - Logic module based on 4 AVR 8-bit cores, one for each axis and one for general control and communication, all connected on I2C bus. - Servo motor control on X and Y axis, with flexible hardware PID module, for fast response and better accuracy - Encoder feedback on X and Y axis, with reference auto-calibration in software. - Stepper motor control on Z axis. - Mini-keypad and 7-Seg display for minimal user interface and manual control of the Drill. - USB connection for automatic control from PC. - Firmware makes every core independent and self-sufficient, for better reliability and precision. - The system has 2 operation modes: automatic (controlled by PC/USB link, using Excellon drill files) and manual (controlled by a joystick interface for X/Y and auto Z, with position feedback)

CNC Drill Control Module

179648
Starter board for Atmega AVR DIP40 microcontrollers - full design (electrical schematic, PCB routing, firmware) and basic software drivers: - Atmega AVR DIP40 package (Atmega16/32 and derivates) - AVR-ISP6 header for programming - RS232 Serial connection (USART) - PWM outputs with LED indicators - Interrupt inputs - 4 x 4 push-button keypad - LCD and GLCD standard headers, with backlight support - ADC inputs - Serial memory on SPI - 2 x 8 outputs, with LED indicators

Atmega AVR Starter Board

Reviews
0 Reviews

No reviews to see here!

Experience

Owner/Embedded Engineer

Apr, 2012 - Present

•

14 years, 3 months

Codetronics

Apr, 2012 - Present

•

14 years, 3 months

Complete projects in different fields, including automotive, home automation, HVAC systems, CNC machining, power monitoring, GSM, GPS, LED displays, etc.

Apr, 2012 - Present

•

14 years, 3 months

Software Architect

Apr, 2014 - Mar, 2019

•

4 years, 11 months

Bosch Sensortec

Apr, 2014 - Mar, 2019

•

4 years, 11 months

Creating embedded software architectures for various real time systems focused on sensor data acquisition. Platforms: ARM based, custom cores Applications: sensor platforms, sensor fusion libraries, HAL layers for various platforms

Apr, 2014 - Mar, 2019

•

4 years, 11 months

Hardware Engineer

Sep, 2011 - May, 2012

•

8 months

Segula Technologies Romania

Sep, 2011 - May, 2012

•

8 months

- Electrical design and PCB layout - Hardware department responsible - System architecture for an autonomous medical wheelchair

Sep, 2011 - May, 2012

•

8 months

Education

Universitatea 'Politehnica' din Timisoara

2009 - 2011

•

2 years

MSc - Computer Engineering

Flag of

Romania

2009 - 2011

•

2 years

Universitatea 'Politehnica' din Timisoara

2005 - 2009

•

4 years

BSc

Flag of

Romania

2005 - 2009

•

4 years

Certifications

US English - Level 1

US English

Freelancer Orientation

Freelancer Orientation

Freelancer logo US (International) / English
Help & Support

Freelancer

Categories Projects Contests Freelancers Enterprise Innovation Challenges AI Development Membership Preferred Freelancer Program Project Management Local Jobs Photo Anywhere Showcase API for Developers Get Verified

About

About us How it Works Security Investor Sitemap Stories News Team Awards Press Releases Careers

Terms

Privacy Policy Terms and Conditions Copyright Policy Code of Conduct Fees and Charges

Partners

Escrow.com Loadshift Warrior Forum

Apps

Apple App Store logoGoogle Play logo

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)