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$5 USD / hour
Flag of INFlag of IN
nashik,
india
$5 USD / hour
It's currently 4:52 AM here
Joined November 9, 2019
0 Recommendations

Chirantan K.

@countcustoms9

5.0 (3 reviews)
5.0 (3 reviews)
2.5
2.5
$5 USD / hour
Flag of INFlag of IN
nashik,
india
$5 USD / hour
67%
Jobs Completed
100%
On Budget
42%
On Time
67%
Repeat Hire Rate

PCB designer and Embedded Programmer

highly experienced in designing custom built projects in fields of electronics for more than 7 years. In house facility for PCB deigning and hardware assembly. Experienced in designing multi-layer boards for microcontrollers microprocessors FPGA and APSOCs. Experienced in working with all the variants of Arduino and ESP series. Has built custom Data loggers, Surveillance systems, Process controllers for Industrial purposes.
Freelancer
Arduino Engineers
India

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Portfolio Items

Designed as high speed data logger for pipe line inspection gauge PIG for short. This data logger is designed around Xilinx APSOC ZYNQ7000 series of SOCs.

It boots on LINUX. 
Have on board storage and expandable storage for SSDs.
Capable of connecting to over 14,000 hall effect sensors and log data through continuous scanning each of them through LVDS
Data logger based on Xilinx APSOC Zynq7000 series
Designed as high speed data logger for pipe line inspection gauge PIG for short. This data logger is designed around Xilinx APSOC ZYNQ7000 series of SOCs.

It boots on LINUX. 
Have on board storage and expandable storage for SSDs.
Capable of connecting to over 14,000 hall effect sensors and log data through continuous scanning each of them through LVDS
Data logger based on Xilinx APSOC Zynq7000 series
Designed as high speed data logger for pipe line inspection gauge PIG for short. This data logger is designed around Xilinx APSOC ZYNQ7000 series of SOCs.

It boots on LINUX. 
Have on board storage and expandable storage for SSDs.
Capable of connecting to over 14,000 hall effect sensors and log data through continuous scanning each of them through LVDS
Data logger based on Xilinx APSOC Zynq7000 series
Designed as high speed data logger for pipe line inspection gauge PIG for short. This data logger is designed around Xilinx APSOC ZYNQ7000 series of SOCs.

It boots on LINUX. 
Have on board storage and expandable storage for SSDs.
Capable of connecting to over 14,000 hall effect sensors and log data through continuous scanning each of them through LVDS
Data logger based on Xilinx APSOC Zynq7000 series
Completely designed, developed and assembled here in at our facility, this tiny module based on ATmega328 is designed for soil parameter testing. The Soil parameter sensor connects to this module through RS485 and this module transfers all the parameters from the sensor directly to the cell phone over a custom built mobile app.

The module has ATmega328 as host processor, a MAX485 for RS485 communication, HM-10 BLE4.0 chipset inbuilt and a voltage boost circuit to provide 12V for the Soil Sensor. Input voltage of this module is just 5V and with a form factor of just 43mm X 66mm. It also have two user programmable LEDs if the user wants to use them for any of the notifications
Soil Testing Module
Completely designed, developed and assembled here in at our facility, this tiny module based on ATmega328 is designed for soil parameter testing. The Soil parameter sensor connects to this module through RS485 and this module transfers all the parameters from the sensor directly to the cell phone over a custom built mobile app.

The module has ATmega328 as host processor, a MAX485 for RS485 communication, HM-10 BLE4.0 chipset inbuilt and a voltage boost circuit to provide 12V for the Soil Sensor. Input voltage of this module is just 5V and with a form factor of just 43mm X 66mm. It also have two user programmable LEDs if the user wants to use them for any of the notifications
Soil Testing Module
Completely designed, developed and assembled here in at our facility, this tiny module based on ATmega328 is designed for soil parameter testing. The Soil parameter sensor connects to this module through RS485 and this module transfers all the parameters from the sensor directly to the cell phone over a custom built mobile app.

The module has ATmega328 as host processor, a MAX485 for RS485 communication, HM-10 BLE4.0 chipset inbuilt and a voltage boost circuit to provide 12V for the Soil Sensor. Input voltage of this module is just 5V and with a form factor of just 43mm X 66mm. It also have two user programmable LEDs if the user wants to use them for any of the notifications
Soil Testing Module
Completely designed, developed and assembled here in at our facility, this tiny module based on ATmega328 is designed for soil parameter testing. The Soil parameter sensor connects to this module through RS485 and this module transfers all the parameters from the sensor directly to the cell phone over a custom built mobile app.

The module has ATmega328 as host processor, a MAX485 for RS485 communication, HM-10 BLE4.0 chipset inbuilt and a voltage boost circuit to provide 12V for the Soil Sensor. Input voltage of this module is just 5V and with a form factor of just 43mm X 66mm. It also have two user programmable LEDs if the user wants to use them for any of the notifications
Soil Testing Module
Arduino provides ease of rapid prototyping without any need of writing special libraries. Programming custom built hardwares in Arduino makes the development process way too fast. To do this, it is often necessary to upload codes/bootloader to the MCU on the customized hardware. 

Keeping this necessity in mind, Arduino Bootloader Burner is developed, this project helps to bootload and also load Arduino codes into the bare chips. Apart from this, it includes some of the commonly used features to test the functionalities on to the board itself before firing the code into bare chip.

This system has one 16X2 LCD, 9 user programmable LEDs, its own power supply, 4 user programmable inputs two of which can be configured as external triggered interrupts, A spar UART bridge port to let you connect any of the serial communicating device to the computer.
Arduino Bootloader Burner and Hardware kit.
Designed around ATmega2560 and RPI4, this automation controller hosts all the wireless technologies that are in the market so far. Be it a GSM/GPS, XBee, BLE, LORA,Wifi, NFC this system has it. Powering by ATmega2560 and RPI4 simultaneously allows to carry out several tasks parallelly at the same time simultaneously.
This system also has a inbuilt GPS system, On board RTC, 10" TFT display, accelerometers, magnetometers and gyroscopes. Inshort its a complete package for datalogging with many wireless options available.
This board also has on-board programming facility to program each of the chipset individually.
Wireless automation controller
Designed around ATmega2560 and RPI4, this automation controller hosts all the wireless technologies that are in the market so far. Be it a GSM/GPS, XBee, BLE, LORA,Wifi, NFC this system has it. Powering by ATmega2560 and RPI4 simultaneously allows to carry out several tasks parallelly at the same time simultaneously.
This system also has a inbuilt GPS system, On board RTC, 10" TFT display, accelerometers, magnetometers and gyroscopes. Inshort its a complete package for datalogging with many wireless options available.
This board also has on-board programming facility to program each of the chipset individually.
Wireless automation controller
Designed around ATmega2560 and RPI4, this automation controller hosts all the wireless technologies that are in the market so far. Be it a GSM/GPS, XBee, BLE, LORA,Wifi, NFC this system has it. Powering by ATmega2560 and RPI4 simultaneously allows to carry out several tasks parallelly at the same time simultaneously.
This system also has a inbuilt GPS system, On board RTC, 10" TFT display, accelerometers, magnetometers and gyroscopes. Inshort its a complete package for datalogging with many wireless options available.
This board also has on-board programming facility to program each of the chipset individually.
Wireless automation controller
RH View Box - Temperature and Humidity controller  is used in Blood typing equipment where the RH and Temperature within a confined enclosure box needs to be precisely adjusted. 
This project developed has form factor of  40mm X 60mm and hosts a 4 devices control capability, Three of which have analog control. This device controls a Heater coil, 2 fans one of whose speed can be controlled/varied and tube lights. The entire control mechanisms ensures the temperature and RH ranges stay within the threshold limits sets by the User.
To help user to set the thresholds and set other parameters, this system has a Nokia display as output and three switches to navigate through the settings menu. 
System has two different menus one is Users settings and other is Main settings. The main settings is a factory settings and hence needs a password-log in access. See video for complete working
RH View box - Temperature and Humidity controller
RH View Box - Temperature and Humidity controller  is used in Blood typing equipment where the RH and Temperature within a confined enclosure box needs to be precisely adjusted. 
This project developed has form factor of  40mm X 60mm and hosts a 4 devices control capability, Three of which have analog control. This device controls a Heater coil, 2 fans one of whose speed can be controlled/varied and tube lights. The entire control mechanisms ensures the temperature and RH ranges stay within the threshold limits sets by the User.
To help user to set the thresholds and set other parameters, this system has a Nokia display as output and three switches to navigate through the settings menu. 
System has two different menus one is Users settings and other is Main settings. The main settings is a factory settings and hence needs a password-log in access. See video for complete working
RH View box - Temperature and Humidity controller

Reviews

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Showing 1 - 3 out of 3 reviews
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5.0
$75.00 USD
Chirantan was an amazing freelancer who seems to be very experienced with embedded design and PCB layout. They provided me with easier and cheaper alternatives for tricky microcontrollers I was stuck with. There was a lot of excellent communication and the project was done well ahead of time. I definitely recommend
Microcontroller
Electrical Engineering
Embedded Software
Arduino
PCB Design and Layout
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Flag of US Andrew C. @andrewcrawford1
24 days ago
1.4
$1,212.00 USD
Freelancer had the willing to continue but was limited about his expertise and knowledge.
Electronics
Microcontroller
Electrical Engineering
PCB Layout
Circuit Design
User Avatar
Flag of US Angel S. @asarat2020
3 months ago
5.0
$140.00 AUD
It was great to work with Chirantan
Electronics
Arduino
Circuit Design
Digital Electronics
+1 more
User Avatar
Flag of PK Abubakar M. @shykhAbubakar
6 months ago

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