Microcontroller Jobs

I have a project for arduino. This project is using arduino uno and have some sensors. It was controlling a Motor by using PWM.(Motor driver). I am going to update this device, and a hardware developer has designed the PCB again for the new requirement. I am looking for someone who can update the original code for the new device.

Need to build a pulse oximeter with the STM32F103C8T6 Controller, and Displaying the data on OLED Display. The system should be running on a 3.3V Supply, with some functionality with push button. The programming should be done in Embedded C.

I have to make a working model of a electric circuit containing a light, rechargeable batteries and a automatic timer switch off. need assisstance in building the model from scratch. people with electronics background will be prefered, and must show keen interest P.S: should be experienced in building electronics and should have some sample works to show off.

I need to speak with someone who has experience with Firmware and Macbooks and can work remotely for me

Project in English / Proyecto en Español It’s about a PCB with ESP32 and SIM808. Please, don't apply if you don't have ESP32 and SIM808 device at home. Project code was based on the next tutorial: [login to view URL] 1-Main code optimization Keep only the essential code in the main file and Put setting/configuration parameters and functions in separate files and link them...

I need Developer to build NodeMCU code and Server side code

PCB development for analog multiplexor with I2C communication to microcontroller. 5V booster from Litio battery is requiered. disconnect the board by GPIO pulse . analog sensors will use 5V@1-2Ah but I2C communication will use 3.3V . at least 5 analog sensors will be connected. PCB board shape (around 80x80mm) and other details will be provided . Other details: KiCAD software Work must be done b...

I have scheme in EasyEDA with PCB. I need you to: 1. Check scheme (will it work, where is the problems, remove problems) 2. Check datasheets 3. Draw professional routes for PCB You can find all details here: [login to view URL]@nab00x/HkjHIpJ28

Hardware Wemos + LCD OLED 0.91 Inch Program Make Hour Meter ( Hour, minute, second ) in LCD use 1 digital input, when input is on, so hour meter is run. Can save data maybe in EEPROM, so when power is off data can start again from the last value can setting also the value from the requirement value, setting by browser (Hour, Minute, Second) need cheaper because use my pocket. thank you.

I need some assistance in assembly language, please bid if you are free right now. 8086

I need to project simulation on multisim to show a number of 2017005 Firstly it shows 2017 with clock counter and flip flops each number be displayed for one secong then a buzzer tone alarm starts for 4 second then the rest of the number is displayed (005) for one second for each number too Attached to this circuit we need a comparator to check if (2017005) is odd or even with leds And to check ...

I need a coder to create a pair of device for transmit and receive data using LoRa, coding in Arduino IDE. Using Wisen Whisper Node LoRa as the transmitter and Heltec WiFi LoRa 32 v1 as the receiver

I need a high capacity phone charger, min 100000mah, was hoping to use 18650 batteries. I need designed a battery management system with over/undervolt protection. Only need 2x usb 2.0 output on the system. The battery needs to be removable and charged with a charger externally while the usb portion stays mounted. I was thinking of using a 3s grid of 18650 to get 12.6v with a step down regulator i...

I am in need of a sensor to be designed. I need a NDA signed before work commences.

I have a prototype which will go into production shortly. The current version is controlled by an arduino, but I would prefer the whole thing to be a pcb.

Hello! I've been meaning to find a way to automate a certain process on the nintendo switch, being hosting raids in pokemon sword and shield. The program would need to be able to make the switch detect the arduino (or teensy or whatever can work) as a controller and make a loop of a series of inputs with precise timing between each input. I would also like to be able to edit the code in the ...

Porting FreeRTOS to the NXP LPC1766 MCU with a Microchip/Micrel KSZ8041NLI Ethernet PHY. The firmware should have support for upgrading in-application over TCP/IP, which means the flash must be partition into two halves with a bootloader to select between them. Here are links to the relevant chips: [login to view URL] [login to view URL]

my team is working on adding a distance measuring elements to an electronic device. i need a firmware that reads rssi and calculate the distance using some algorithmic to filter noise.

We need bootloader for NXP / SST IC.

We are looking for computer architecture expertise. You must need to know logicism and can design 10 bit 14-bit computer. Pleae check the file before bidding. Put AC word frist on your bid.

From PIC Atmel328P battery powered with a maximum capacity of 4.5V and a minimum of 3.5V I have to operate a 12VDC valve. I have to charge a 4700uF electrolytic capacitor and then operate the valve with relays. At the moment I made a charge pump but it is very slow, it takes 2 minutes to bring the voltage to 12 volts from 3.5 volts. Anyone have a more efficient solution?

I have a domestic Oil tank external to the property. I have a pressure transducer, an Arduino UNO WiFi Rev 2 - I wish to have a circuit designed to produce data of oil level and flow and read the data as meaningful oil level and flow [login to view URL] applicant must be able to design and set up the circuit using manafucturers information of the transducer and be able to connect to the Arduino in...

HI All, I would like to order the product to be build with short documentation and skype/whatsup call around 1-2 hours to talk about project (every additional time which will be needed will be extra pay) Projekt description: Small device with button (turn on/off), 2 -3 diods and button + nfc or similar technology to change status of diodes with connection to www (via wifi router or 433 mhz and ...

NOTE: I put an arbitrary price because I know it may be a simple project for most, and the device used could be very cheap. So as far as budget goes, for the sake of openness I will not put a ceiling or floor on my budget. Greetings, this is a little bit out. Of the scope of what’s usually asked for. I am an it tech- mostly repairs, web design and networking. Lokewose I have my tia A+ and ...

Hi, I'm building a UV Sterilizer, I need a touchscreen that will control a Raspberry Pi with the following functions Delay on start up to 30 seconds, in order for the person to leave the room, after that, it will energize an electronic relay to power up the UV lamps and airflow fans for certain amount of time up to 2 hours, and notify via beeping or via WiFi or Bluetooth that time is done. a...

Need a freelancer to write a paper based on a project. Project is based on microcontroller and Electronics circuit.(arduino or esp related project).It will be very helpfull if your background is Electronics engineering related. i will provide you some reference and you need to write with no plagiarism. Full project details and necessary files will be provided. Something like journal paper type. ma...

I am creating a smart home device, that is just an idea. I want to take the next steps of turning that idea into a product, that works and is manufactured. Need software & hardware development, would like someone to manage and figure out how to get this product started. This is a Iot Device, Smart Device All applicants will need to sign NDA.

Wireless communication between devices in order to data log instrument readings. Ideally would want localization of measurements incorporated

I need complete config with firmare tasmota and mqtt

Need PCB design for AC/DC BLDC MOTOR

I need to hire the inverter hardware design and firmware developer either together or separately for development of my hybrid inverter. Those freelancer having very good factory expertise and independent manufacturer with capability to deliver the project on time only can apply the same. Payment term:-The work has to deliver on time and If the work meets the technical specification, then only pay...

I am looking for an expert on Verilog and ML

Part A: Project Overview Embedded Device: Raspberry Pi 4 Model B has been selected as the embedded device of this project. (the 1GB RAM Version, but open to 2GB or 4GB). I hope this project can be capable of running on any Raspberry Pi model. Reference: [login to view URL] HDMI connector on Raspberry Pi Board: The HDMI connector on the Raspberry Pi board has connected to a seven inch IPS LCD di...

I programmed microchips, and be guided using STM32CubeMX to migrate to a STM32H753ZI, I need to configure clock to 400MHz using external 8MHz clock, 16 analog inputs, 9 pwms (3 pids), several digital outputs (6), interrupts, a 32 bit counter, CAN and I2C and interrupts to control injection and ignition. Of course it is a large project, but now we have a limited budget and need only to start it. I...

We need a working project built on STM32F401 micro controller. This should interface to Quectel MC60 over UART and also whole project should be running on FreeRTOS. Quectel module should communicate to AWS IoT module using MQTT. The development environment should be Atollic / STM32CUBEIDE. Deliverable should be working code base. This is a code development project only.

1. starting interface should containe menu of the vending machine. 2. add the 6 photos of the menu under that a buy button and price. [login to view URL] payment getway using razorpay or upi. [login to view URL] the payment is succesfull swicth on the motor using nodemcu. 5. 6 motor for 6 menu [login to view URL] back to menu list again once the product is dilivered.

I am looking to an electrical professional engineer who can provide Arc flash / SC/relay coordination documents for a building of school. outputs of ETAP or SKM software are accepetable. Main Switchboard (4000 A , 480/277 v) + 4 Distribution boards ( all infornation are available )

Hi, I need to create a private IOT network in which a Heltec Wireless Stick Lite recollects some data, sends it to a Raspberry Pi with a HT-M01 Mini LoRa Gateway that uploads it to firebase over GSM. I need the Heltec Wireless Stick Lite to be programed with the standard Arduino libraries and the Raspberry Pi in python using python-firebase 1.2, and uploading the data over GSM (the Pi will be con...

Connect esp8266 with iot core using tls and tasmota

I would like a wearable BLE device designed and built. The device when it comes in to a blue tooth zone would need to activate a buzzer and then after 10 seconds give of a small shock. Size and weight need to be minimal and battery life needs to be as long as possible.

We are involved in plastic manufacturing business and are looking to start manufacturing medical products such as Infrared thermometers etc. I need an electronics engineer to build the PCB design circuit using the thermopile sensor with the microprocessor programming required along with the BOM attached. Also when tested, it should perform accordingly. If you are interested, just let us know. Name...

need to make a mechanism where electric circuit has a timer indication lights and a safety switch. The safety switch closes and the circuit works if safety switch is open the circuit will not work. the timer can be set until 30 minutes and once it goes off the circuit will not work. there needs to be a light that shows if the circuit is on and the main switch to turn on the device

Hello, from Thailand. Right now I'm developing a simulated exhaust system without having to modify the factory pipe. By attaching a pot to the rear of the body, with speakers I need a box to work with this system, which I think is [login to view URL] II sent the information like a CAN BUS or engine status to the micro controller unit connected together by Bluetooth for real time responsibilit...

Hi, I would like to design BLE project to handle BMS and communicate its status to phone via BT. Further details in chat.

This is kind of urgent project to review open source firmware. Before the development of our BMS system,, we'd like to review foxBMS open source firmware.I understand the hardware system and know about firmware structure of foxBMS system. But I need rather detailed(~5 pages) document type report on functions and important values. Please let me know if you can help this project. If he succeed ...

looking for an expert in IOT / Arduino to do the following developing the project and preparing a fully working demo/prototype of the concept including programing the project is easy and very clear

We need someone to design and prototype our IoT hardware.

The project is an oil and water interface sensor that must be able to accurately provide the interface between oil, water and air in a tank. The sensor will be constructed of a series of segments. Each segment (about a foot long) will contain the same microcontroller and capsense chips to detect the water and oil levels. The data needs to be process through CAN Network to the main microcontroller....

I have code on esp32 and neopixel Ws2812 and This code works Fine on esp8266,but does not work on esp32. I have flickering on neopixel. I need change library (from adafruit to etc fastled).

Have to create a simulink project of PV system for DC/DC converter and for Other details I am uploading a file kindly have a look. Note:- I have uploaded 2 files but i need only one project to be done whichever seems please show your agreement.