Microcontroller Jobs

A microcontroller refers to a small computer on a single integrated circuit consisting of a CPU, clock, ports and memory. These chips are designed for small or dedicated applications. They are used in engine control systems in cars, medical implants, remote controls, power tools and toys. Your business may need help with designing microcontroller chips. You can find such help in the form of freelancers willing and able to do microcontroller work right here. Simply post your job today to get started! Hire Microcontroller Developers

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    74 jobs found, pricing in SGD

    I have an IoT project that simulates the smart meter concept : I have sensors to measure the voltage, current and watts. The project uses esp8266 to send data to thingspeak and Adafruit. I use my website to turn on/off the lights and to show the voltage, current and watts by using thingspeak Iframe. I want to have a database that records the watts in hourly basis to calculate the consumption a...

    $609 (Avg Bid)
    $609 Avg Bid
    9 bids

    Need to design some hardware that transmits data using BLE to a smartphone

    $31 (Avg Bid)
    $31 Avg Bid
    7 bids

    Budget:20$,do not apply if u r expecying more than 20$.please only apply if u can start now. Hi, lat,long should be retrieved without GPS chip,use google maps API. 1)Need to retrieve lat,long,speed,batterylevel(external battery with 48V,10Ah) 2)Need to pass to API,code is already there,u have to pass variables only. You need to have nodemcu and 4 relay module ready with you. You have to help via t...

    $14 - $41
    $14 - $41
    0 bids

    We are looking for an electrical engineer who has embedded and/or CAN BUS (vehicle CAN networks such as J1850, J1939, etc.) experience to assist in identifying and reading messages (IDs) on vehicles we perform upfit and integration services on. This practice is allowed by both GM & Ford as we have already contacted them for best practices and approach. While they do not provide a list of the...

    $71 / hr (Avg Bid)
    $71 / hr Avg Bid
    7 bids

    I need to build a program that 1) mines bitcoin connected to a pool 2) independent from a computer through an arduino based microcontroller (ESP8622 wifi Lolin v3 works) 3) for it to display the process in a display connected to the microcontroller Refs: [login to view URL] [login to view URL] [login to view URL] micrcontrolador ESP8266 lolin nodemcu v 3

    $309 (Avg Bid)
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    5 bids

    I am looking for a datalogger solution from an arduino board and I have put my wish list below. We commission new mains and need to log both flow rates into the pipe work initially and then much lower levels of water whilst pumping water to raise pressure. Pressure must also be monitored. We need an adjustable data recording time of between 5 and 30 seconds to log pressure and flow. Ideally we...

    $2180 (Avg Bid)
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    30 bids
    Arduino based datalogger help 6 days left
    VERIFIED

    I am looking for a datalogger solution from an arduino board and I have put my wish list below. We commission new mains and need to log both flow rates into the pipe work initially and then much lower levels of water whilst pumping water to raise pressure. Pressure must also be monitored. We need an adjustable data recording time of between 5 and 30 seconds to log pressure and flow. Ideally we...

    $2111 (Avg Bid)
    $2111 Avg Bid
    15 bids

    Hi, I develop a product via ESP32. But there were some places that I faced with the problem so that I need help to transfer Image and video file via Bluetooth in ESP32 read from SD card. Exactly, Image and video file should be transferred from ESP32 to Android device. the data to be transferred is between 2 and 8 MB. Transferring time is very important for me please be careful. I completed half ...

    $217 (Avg Bid)
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    5 bids

    I have a DE1-SoC FPGA board. I need an image build with a Linux installation (doesn't really matter) and the linux-socfpga kernel; however, the device tree blob on the installation must recognize the onboard FPGA peripherals, especially the onboard ADC. The goal is to have a working Linux image file, which when burned to an SD card would load Linux on my DE1-SoC, and within Linux, I would th...

    $202 (Avg Bid)
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    4 bids
    PCB design 6 days left
    VERIFIED

    Need efficiently designed PCB, 6cm x 4cm for mini Wireless Ultrasonic Sensor Device with Visual & Audio Alerts. Confidentiality required. I can provide images of similar PCBs with some of the desired functions. Major components Two Ultrasonic Sensor / Transducer, Nordic Family chipset or equivalent, WiFi / Bluetooth, Light & LED Indicators Super loud audio tone Deliverables: 1....

    $712 (Avg Bid)
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    33 bids
    Read data sensor 6 days left
    VERIFIED

    Read data of sensor on FPGA Xillinx. More details via messenger Freelancer.com with full requirements.

    $169 (Avg Bid)
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    10 bids

    Hi, I am looking for a Engine & Motor Synchronizing Controller. Please find attached Diagram for better idea.... THE MAIN CONCEPT OF APPLICATION: 1- Engine's RPM will be detected by a Non-Contact RPM detector. This RPM information will be given to the Controller. 2- Controller will run the Motor on same RPM as received/detected from of Engine. Reference Line: [login to view URL] 3- Th...

    $261 (Avg Bid)
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    9 bids

    Hi everyone, My name is Boktiar Ahmed and I am trying to develop a new sports training kit which uses wireless communication. The kit is essentially a smart version of sports markers commonly used for football training and other games. A patent application is in process and I have already got a team to design the necessary hardware. Currently I am working with a Chinese manufacturer to design the...

    $1760 (Avg Bid)
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    10 bids

    I need an electronic-expert, who can create a circuit and build a prototype of the following device: It should contain a small display. On the display, I wanna show a number from 1-999. I wanna set the number on the device (with simple switch or similiar). The device must be connected with a computer with USB. On the computer, I have a software where I can define, at which number of device the LE...

    $2374 (Avg Bid)
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    36 bids

    The project consists of using an Arduino Uno to record and play audio in loop, using 1 button, a microphone and a speaker. Once the sound is recorded, the Arduino needs to automatically start playing this sound in loop. A momentary push-button is used to start recording the sound. As long as the push-button is pushed, audio is being recorded. Once the button is released, the audio needs to start...

    $206 (Avg Bid)
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    17 bids

    Synthesise secure microcontroller. Only people with access to secure microcontroller IP are allowed.

    $6641446 (Avg Bid)
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    9 bids

    I have a 2.4inch OLED transparent display TP241MC01G with DA8620 control IC(using 8 bit-parallel) and raspberry pi 3b+ and also the DC power supply. I want it connect as a display for raspberry pi 3b+. I have the information i.e datasheet and initial code. also, i have the collector PCBA. What i need is driving software for it. I would give you more information if i award you.

    $308 (Avg Bid)
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    7 bids
    Modbus RTU 5 days left

    We seek to convert some sensor outputs to Modbus-RTU (RS485 2 wire)

    $799 (Avg Bid)
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    32 bids
    Function Generator Waves 5 days left
    VERIFIED

    Generate a few types of waveform with sampling rate of at least 50kHz Waveforms need to display from a range of frequency from 1Hz to 10kHz and a controllable voltage offset Strictly using AVR C, ATMEGA32 and Digital Analogue Converter

    $24 (Avg Bid)
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    8 bids

    Design 3 products as I will provide the enclosure and the freelancer must provide the PCB complete design to fit within it and also firmware with a little webserver. The product is an I/O wireless based on LoraWan module, with external antenna communicating in Modbus. 1) It will have two relay outputs and two optoinputs, as well as a watchdog timer circuit communicating in a TCP Modbus Network ...

    $1450 (Avg Bid)
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    15 bids

    We are minority business organization with a team of professional staffs in the USA. We are currently looking to recruit more staffs with the following positions: Software and Test Engineer in C, C ++, Python WORK DESCRIPTION / What You Will Do: • Analyze requirements, design and develop applications and test suites. • Research new technology, new method and be a pioneer in embedded so...

    $18 / hr (Avg Bid)
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    20 bids

    I need someone to modify my existing .c source code . I am working for a finger print door lock system. Schematic and hardware is ready ,source code is almost done except R305 interface. (1) Hardware information : MCU-AT89S52, Hardware & Schematic done. LCD-JHD162a , Already Interfaced. FINGERPRINT-R305 (SynoCHIP), Need to Interface. (2) Enroll up to 20 fingerprint. ( to be stored ...

    $93 (Avg Bid)
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    12 bids

    Scope of Work:- Use Beaglebone Black module to support 1. Digital Input isolate =16 inputs. [login to view URL] Input 4-20mA=8 inputs [login to view URL] Output(Relay contact 10A/250V)= 4 outputs [login to view URL] RS-232/485 = 1 port [login to view URL] RS-485 = 8 Ports(A/B/G) [login to view URL] Output = 4 Ports [login to view URL] module 3G/4LTE connect Internet(Option select 2 SIM)(2100 MHz) ...

    $9492 (Avg Bid)
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    13 bids

    Scope of Work:- 1. Digital Input isolate =16 inputs. [login to view URL] Input 4-20mA=8 inputs [login to view URL] Output(Relay contact 10A/250V)= 4 outputs [login to view URL] RS-232/485 = 1 port [login to view URL] RS-485 = 8 Ports(A/B/G) [login to view URL] Output = 4 Ports [login to view URL] module 3G/4LTE connect Internet(Option select 2 SIM)(2100 MHz) [login to view URL] Sensor Ports = 1 p...

    $9130 (Avg Bid)
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    9 bids

    Project scope is for a ESP32 module to have bidirectional communication over Bluetooth to a Windows10 application. For that, is required the development of ESP32 firmware and the development of a Windows10 application. Freelancer needs to already have a ESP32 development platform. ESP32 used module for development purposes need to be one of three possible, 1)ESPRESSIF's, ESP32-DEVKITC, 2)Ad...

    $240 (Avg Bid)
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    6 bids

    I need to create an RFID chip, which will be installed in Wallets,Leather Bags and other things to protect the Credit Card/Debit Card and other details from being stolen.

    $1194 (Avg Bid)
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    6 bids

    Hello. I have written a arduino code but it needs tweaking. Not a lot of work to be done but it would help getting someone experienced. I also have designed a minamilistic PCB that needs tweaking, I made a one sided board in fritzing as I do not know how to use eagle or other design softwares. I can give you a basic idea of what needs to be done. (Removed by Freelancer.com Admin) Regards Vi...

    $117 (Avg Bid)
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    30 bids

    We are an IoT Company providing automation to retail and BFSI clients in India We have selected a nordic chipset for our battery powered sensor platform. There are several off-the-shelf modules that exist which are pre-certified as well. We want to design a simple base board which can use one such module and allow us to interface with different sensors as daughter boards. The initial design is...

    $787 (Avg Bid)
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    11 bids

    Need good electronic engineer with good knowledge/skills with Raspberry Pi to check, modify and route eagle project. Some items like power supply need to be modify to fit the RPi requirements. The project has to be done only whith Eagle CAD software ([login to view URL]).

    $161 (Avg Bid)
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    we are looking for an expert to program an RF-BM-ND04 is a Bluetooth Low Energy data module built on the basis of Nordic nRF52832. *Removed by Admin*

    $1026 (Avg Bid)
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    21 bids

    I have a circuit that isn't working as it should. This circuit should convert a sin wave to a square wave, then the frequency of the signal should be divided by 10 using the HC4059. The signal looks very nice all the way until the HC4059. After that IC, the signal looks terrible from varying frequency. I need to know why this is happening and how to fix it.

    $102 (Avg Bid)
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    16 bids
    Arduino Project 3 days left

    Hi i’ve been learning about arduino from past month. i’ve made few basic and intermediate projects. My requirement is to make a Device which consists of SIM module Recorder Small size arduino So the idea is to make a device which records a voice and puts it on a server using data pack of sim. Initially a prototype is also okay using shields and all but for the final stage i want a devi...

    $148 (Avg Bid)
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    12 bids

    We have VFD (gefran brand) and they work with Siemens PLC - S7 300. It seems the Gefran drives have gone obsolete. Now the new replacenment VFD from Gefran, needs modification in PLC software. The GSD file for older drives is different to that of GSD file for new drives.

    $531 (Avg Bid)
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    16 bids

    We have VFD (gefran brand) and they work with Siemens PLC - S7 300. It seems the Gefran drives have gone obsolete. Now the new replacenment VFD from Gefran, needs modification in PLC software. The GSD file for older drives is different to that of GSD file for new drives.

    $496 (Avg Bid)
    $496 Avg Bid
    5 bids

    Budget:20$ ,need to have 5 years of expereince wih nodemcu and developing commercial products. 1)Need to connect to Android mobile hotspot to utilise 4G internet usage into nodemcu. 2)Need to call 2 webservices(24x7) and call a 4 relay according to API response,post value to server back again after executing,should run 24x7,should never stop till its reset. 3)Need to have nodemcu esp8266,4 relay m...

    $31 (Avg Bid)
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    4 bids

    Hello, we need to design a small pcb with a lipo bat charged using wireless power transfer. We need also to place a couple of buttons and a low consumption MCU. We need a couple of prototypes working. Simulations with SPICE will be a plus. If you think you can design this PCB really fast start your bidding with the word WPTICAN. All biddings which do not start with this word will be automatically ...

    $3154 (Avg Bid)
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    32 bids

    I need talented fresh graduate in field of electronic in Kuala Lumpur. Required Skills : PCB Designing Cuircut Designing MCU Programming ARM

    $687 (Avg Bid)
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    26 bids
    Remote Control Toy car ciruit 3 days left
    VERIFIED

    I want someone to build a 4 CH Remote Control toy car circuit. The circuit will limit damage on rc car wheels and most be transportable.

    $743 (Avg Bid)
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    17 bids

    VFD model - Frecon FR 100. Arduino - Uno and Mega Draw wiring diagram/ pinout. Write few lines code for Arduino to send command to VFD inverter. Functions: Clockwise Counter Clockwise Brake PWM speed control

    $56 (Avg Bid)
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    19 bids
    Senior Embedded Developer 3 days left
    VERIFIED

    Details will shared to shortlisted [login to view URL] to have good past expertise in I2C, Wifi, Bluetooth,Camera Module, USB charging, RTC, Driver development.

    $600 (Avg Bid)
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    12 bids
    Fix PCB Design 3 days left

    We're using a PCB connected to an adafruit bluetooth feather board to power LEDs and to charge an iPad. We have a few designs that aren't working well, and are in need of someone to produce an improved design that fits our requirements. The board just needs to power LED lights, charge an iPad, and connect to a bluetooth component with firmware.

    $664 (Avg Bid)
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    25 bids

    Need someone to program with pickit2 microchip assembly language The logic board has 4 AC outputs 10 high current DC outputs 2 12vdc motor outputs 23 DC output 17 DC andputs three current limiting resistors

    $26 / hr (Avg Bid)
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    I need the code to realize an hygrometer/thermometer based on Atmel microcontroller (Attiny 85/ 84 or other avr microcontroller). I wish to read the values from the SHT 31-D sensor and proportionally rotate two stepper motors driven by DRV 8825. Each motor rotates a pointer on a dial to indicate humidity and temperature.

    $315 (Avg Bid)
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    26 bids

    The aim of the project is to design a BIST controller to insert and detect the faults (defect) like Read disturbance, Erase disturbance, Program disturbance, SAF, TF, ADF, CFs, TF, NPSF, Retention fault in FLASH memory by using BIST algorithm like March algorithm using verilog or VHDL in Xilinx or Modelsim. Need Simulation waveforms for the same.

    $567 (Avg Bid)
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    2 bids

    Gerber Design: Dimension of PCB : 140 mm X 100 mm Major components : Microchip control PIC18F family Display : 3.5" TFT display MICROCHIP LAN : ENC23j60 SPI FLASH Memory USB FTDI series Maxim series of ADC

    $5 / hr (Avg Bid)
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    We have been developing a lighting control system which consists of an app, hardware (LED drivers, wall switches, sensors), and MCU embedded software/firmware. We are a start up in Hong Kong aiming at providing the system to the Hong Kong market.

    $1766 (Avg Bid)
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    I need a power strip that is similar to many other products in terms of function (just google wifi power strip etc). I will even send you one to deconstruct to get a better idea. I need the design of the strip as well as the wiring and pcb to control it. I will create a separate project for the coding.

    $3208 (Avg Bid)
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    39 bids

    Please do chat me and I explain everything

    $14 / hr (Avg Bid)
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    35 bids
    FirmWare Developer 2 days left
    VERIFIED

    I am looking for a Firmware developer on STM32F411 or similar.

    $20 / hr (Avg Bid)
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    27 bids
    EPROM Programmer 2 days left

    I need 2 EPROMS coded with updated firmware for a midi module I have. EProm's are marked in yellow.

    $18 - $36
    $18 - $36
    0 bids