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! From 48,672 reviews, clients rate our Microcontroller Developers 4.85 out of 5 stars.
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    65 jobs found, pricing in USD

    The scope of work is in the attachment. A few things we need equal run time on the 3 Chillers. For example Chiller 1 runs 80% of the time Chiller 2 runs 15% of the time Chiller 3 runs 5% of the time We would like the chillers to switch from chiller 1, 2, 3 cycle operations to 2, 3 ,1 cycle to a 3, 2, 1 cycle in operation then back to 1, 2, 3 cycle. We need a similar situation with the Supply Pump and Backup Pump equal run time like the chillers We need a similar situation with the Circ. Pump and Backup Circ. Pump equal run time like the chillers As for the auto switch over for the Circ. Pump to Backup and Supply Pump to Backup is a case of failure on the main pump this is controlled by a pressure switch on mai...

    $2310 (Avg Bid)
    $2310 Avg Bid
    10 bids

    WE NEED WEIGHING SCALE PCB BASED ON 24 BIT 1232 ADC AND HX710 with 8 BIT MICROCONTROLLER 1.ADC- HX 710A AND 1232 2.MICROCONTROLLER- ANY ONE Easy Available and IN PRICE 7 SEGMENT 7 DIGIT COMMON ANODE DRIVER .

    $549 (Avg Bid)
    $549 Avg Bid
    8 bids

    This project involves reviewing a PCB design previously developed by another Freelancer to make sure it working and then continuing on to develop the Firmware. Currently I have completed PCB's that have been manufactured but not tested. The device is based on 2 key components, a broadcom APDS-9250, and a STM32WL. Together these components will count the pulses of a flashing LED over a 1 hour period, then transmit the count over the Sigfox network. I have attached a PDF that gives a good overview. Please reach out to me with any questions and I'll do my best to answer. I would prefer to move quickly here and would like to have this project completed in 2 weeks - subject to the functionality of the existing board. Let me know if you are interested in collaborating. ...

    $766 - $1531
    Featured Urgent Sealed NDA
    $766 - $1531
    10 bids

    I’m looking for an experience individual who have worked with drive control algorithms e.g PI,MPC,HC. I am implementing model predictive current control for dynamics performance of SPMSM. In simulation the model is working very well and system show excellent closed loop performance. I want to implement it on hardware(Tms320f28335), if someone has experience of implementing MPC FOR motor drive then feel free to message me here for further discussion.

    $30 - $250
    $30 - $250
    0 bids
    1mA current source 6 days left
    VERIFIED

    Looking for knowledgable guy to help with 1mA current source circuit

    $15 (Avg Bid)
    $15 Avg Bid
    16 bids

    An automatic Braking system is an intelligent mechatronic system includes an Ultrasonic wave emitter provided on the front portion of a car producing and emitting Ultrasonic waves. An Ultrasonic receiver is also placed on the front portion of the car operatively receiving a reflective Ultrasonic wave signal. The reflected wave (detected pulse) gives the distance between the obstacle and the vehicle. Then a microcontroller is used to control the speed of the vehicle based on the detection pulse information to push the brake pedal and apply brake to the car stupendously for safety purpose.

    $309 (Avg Bid)
    $309 Avg Bid
    8 bids

    I a close focal point camera (50mm) with Bluetooth that will be set ready to go when power (12v) is supplied and transmit vision via Bluetoothed to a device. I would like this unit to have a GPS which will transmit when vehicle is in motion. The unit will be installed in a camper van and used for set-up.

    $659 (Avg Bid)
    $659 Avg Bid
    2 bids

    I need programmer for weatherstation IOT including Noise sensor and humidity sensor and P.M sensor and Air Quality sensor depend on ESP32 microcontroller.

    $31 (Avg Bid)
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    17 bids

    I need to build a prototype with Arduino Nano of a multiple video night vision and pir sensors transmitting to a receiver with a High definition small touch screen when the sensor is triggered and I can switch from the receiver the view of the single camera I want. The project should include the code for the transmitter and the one for the receiver and the stl file for the 3D printing of the trasmetter and the receiver containers. The transmitter container should be as small as possible, considering it needs to support a small battery and transmit to long distance with the best quality as possible. Mini usb rechargeable and mini solar panel included to recharge. The receiver should be as thin as possible and it should have a thin battery both transmitter and receiver batteries should be...

    $473 (Avg Bid)
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    20 bids

    We are an Access Control manufacturer and we are looking for developers/freelancers/consultants that can help us build our new DESFire EV2 reader. Our hardware is based on ST MCU and we will connect it to an NXP SAM. We less need assistance in hardware design but more in understanding deeply the protocol and the way to use it, and also in defining the requirements for such a product.

    $25 / hr (Avg Bid)
    $25 / hr Avg Bid
    10 bids

    Please bid on the complete script project that features a GUI using a Nextion 7" LCD, and controls 2 stepper motors (one with a limit switch), and also controls an SSR relay for a non-stepper motor. The GUI is very important for me, and I will assist with design of it and use Nextion Editor (you will need to assist with coding to make sure it connects to your Arduino Script). Me designing the GUI should help considerably reducing your time investment. FULL PROJECT DETAILS ARE IN THE PDFs. Do not bid if you have not read this. Payment is for the full scripts and verifying that it functions with the hardware. Therefore, some light troubleshooting with hardware is expected to verify your code is working properly. Lastly, I will NOT INCREASE YOUR PAY if you do not estimate the time inv...

    $252 (Avg Bid)
    $252 Avg Bid
    27 bids

    IoT project. Need early-stage design and development.

    $45 / hr (Avg Bid)
    Local
    $45 / hr Avg Bid
    22 bids

    require to route a pcb with component placement in easy eda

    $61 (Avg Bid)
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    21 bids
    PCB Designer 6 days left

    We need a PCB Designer to help me to develop the project together. Our talented team is our greatest asset. We provide opportunity, reward performance, and support a positive and balanced work environment. Work from home.

    $29 (Avg Bid)
    $29 Avg Bid
    30 bids
    Need Electronics R&D Engineer 6 days left
    VERIFIED

    Responsibilities and Duties: Integrate and validate new product designs Creating engineering or technical drawings as per the specifications provided Prototypes bring-up, testing and debugging Executes component- and system-level simulations Design and implementation of electronics hardware (PCB) Design, develop, implement, test and debug microcontroller / microprocessor-based hardware proto testing code implementation. making calculations of product dimensions, drawing sketches of product ideas, and designing mockups of proposed products. Develop and complete projects Sourcing of raw materials. Purchase electronics device and equipments depending upon project needs Troubleshooting embedded systems and diagnosing errors, malfunctions, or inefficiencies firmware drivers for hardware periph...

    $12 / hr (Avg Bid)
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    15 bids

    I need someone to help write software for a small digital device with very simple functions display and sound. The device would have 5 buttons and a small digital black and white screen, and small audio speaker. Thank you!

    $425 (Avg Bid)
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    31 bids
    SIM7080 expert 5 days left
    VERIFIED

    I need to send the data to the firebase database through NB-IoT in the Beaglebone. This is very urgent. The candidator must have experience about SIM7080G breakout board and Firebase.

    $462 (Avg Bid)
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    11 bids

    I have a couple of holiday homes with an airco (LG s12et) and a NILAN compact P heat pump. Both systems can hear or cool the house but at this moment a lot of times the systems are working against each other because the temperature that is wished, is not synchronising. Maybe this can be done with modbus or something. The project is: -selecting the right hardware -maybe write some programming language -With the right instructions I can connect the hardware myself easily. I have attached the NILAN specifications. The LG airco specifics are easy to find online.

    $814 (Avg Bid)
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    1 bids

    I am doing a small project to measure the movement of an object, I am thinking of using an image sensor, a ToF or even a LIDAR sensor, although I accept suggestions and new ideas.

    $88 (Avg Bid)
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    25 bids
    Electrical Engineer -- 2 5 days left
    VERIFIED

    I need an electrical engineer who is good at doing the programming part

    $71 (Avg Bid)
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    20 bids
    Heart Rate Monitor for Horses 5 days left
    VERIFIED

    Hi, We want to make a heart rate monitor for horses , this project should require experience in electronics and pcbs where the the freelance is expected to show in his proposal what ICs he will work with, mentioning the exact model, and what time of microcontroller or microprocessor he will use, Thanks

    $435 (Avg Bid)
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    35 bids
    Arduino project 4 days left

    I want help for my arduino project , i am mechatronics student and i need to finish my last semester.

    $16 (Avg Bid)
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    19 bids

    Arduino code for machine using 5 ultrasonic and 5 servo motor and lcd screen and keypas

    $30 (Avg Bid)
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    24 bids
    TKE thermistor 4 days left

    There’s some things I didn’t specify in this drawing. The esp8266 has 15 pins on both sides, The lcd adapter has 4 pins to the left and 16 pins at the bottom. Then I’ll need another 16 pin vertical female header for the lcd screen (pin 1 from the adapter would need a trace going to pin 1 on the lcd adapter board, 2 with 2, etc.) As for the components I’ll just need holes so I can solder them. I’ll just need it printed as for which hole is which. [Removed by Freelancer.com Admin]

    $117 (Avg Bid)
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    23 bids

    This project is based on the save power concept, in bathrooms, we turn on lights and forget to turn them off which leads to power wastage .to tackle this problem we need to set the delay to lights to means after 7 -10 min of turning on the light it will automatically turn off, need to design a circuit to solve this problem

    $85 (Avg Bid)
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    26 bids

    Looking for Arduino, Rasperry PI code, bootloader experienced engineer

    $4250 (Avg Bid)
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    12 bids

    Need software developer can work rfid impinj

    $1209 (Avg Bid)
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    25 bids

    Hi. I need to get a Raspberry device to set it up for my car. Can you supply me with the device and its setting. It's the best thing for me. I give you the link below where everything is well documented. Apparently it's easy but I'm useless in IT. Thanks for your feedback. The person need to be in London for delivery nd setting. Hassane - Due date: Flexible

    $685 (Avg Bid)
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    15 bids

    Build a new PlatformIO/Arduino project in C++ using the Seed XIAO sensor platform. Using the available public libraries create a bluetooth peripheral for the PDM microphone, pair the microphone and stream the microphone audio to the host. Using the available public libraries create a bluetooth peripheral for a MS5837 pressure sensor pair and and publish the calibrated pressure and temperature to the host on an interval set by a pushed value from the host. Detect when the XIAO has been moved using the IMU and wake the core from deep sleep on movement. Detect when the XIAO has has not moved for a time and put the XIAO to sleep.

    $833 (Avg Bid)
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    24 bids

    We are looking for a 100% remote contractor who can program our Schneider PLC products for use in our custom water treatment skids. If interested I would like to see your portfolio as we desire someone who is talented specifically with Schneider PLC products and not just a generalist

    $52 / hr (Avg Bid)
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    11 bids

    I need help with design of a device which can take DC (variable voltage as input from 12-60v) and convert that into an AC 110 volt 60 Hz (also 220 volt 50 Hz) and such device should be able to sense voltage and frequency of the grid , where we are trying to feed , and based on that, it can synchronize frequency and voltage. And then it can feed power to the grid, but say from usual household plug so that it becomes portable device for say uto 1000 Watt portable solar power generators, wind generator. If output voltage sensing is difficult then probably 2 models - 110volt 60 Hertz and 220volt 50 Hertz. Also need a prototype shipped to me to US, along with all the schematics, drawings, designs.

    $133 (Avg Bid)
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    21 bids

    the jammer should be portable and small and should identify and jam coming frequencies from 0-100hz. and it should cover a long distance.

    $117 (Avg Bid)
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    5 bids
    wireless IOT 3 days left

    i need a a complete HW/SW solution to make a wifi microcontroller board that transmits/receives digital signals and connected to a camera. the signal should be received at our server with a web page controlling the board and the camera

    $763 (Avg Bid)
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    20 bids

    I need a pcb solder learning but don’t wanna risk any mistakes it’s simple job

    $30 / hr (Avg Bid)
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    11 bids
    Solder small pcb 3 days left

    I need a pcb solder learning but don’t wanna risk any mistakes it’s simple job

    $20 / hr (Avg Bid)
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    13 bids

    We are looking for an Embedded System Engineer who will make the hardware and software of the electronic circuit board that can communicate with vending machines. 5 years of experience in circuit board design is required. Must be able to make the software of the card; - FreeRTOS - ESP - MCU - MDB - Power Tier - GSM Module should be able to use technologies such as Write OE at the beginning of your offer for fake applications

    $1035 (Avg Bid)
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    19 bids

    I am currently developing a battery powered DC variable power supply and I need a PCB created to control it. I would need it to have a buck boost circuit that could do 0vdc-60vdc @5amps as well have a current limiting feature for testing equipment, etc. & perhaps digipots to control the output voltage and current limiting digitally through the menu. I also will be using a TFT LCD to display a menu & to show voltages & current draw, so using an STM32 to drive & control all the logic would be preferable. Im not sure which batteries would be best to use in this so achieve the desired power outputs that I want so perhaps you may have some suggestions for batteries but for whichever batteries it would need a BMS and all protections as well with a USB C recharging circuit for re...

    $341 (Avg Bid)
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    25 bids
    SPI Signal Decoding Lab 3 days left
    VERIFIED

    implement a protocol decoder which can decode an SPI signal

    $134 (Avg Bid)
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    15 bids
    Electronic Wrist Band Design 2 days left
    VERIFIED

    I need an electronic wristband product that can recognize the voice of the wearer and can record the speech and can send that information to a mobile app using wifi connectivity. Timeframe: 1-3 months

    $23 / hr (Avg Bid)
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    12 bids

    .) Main Module (µC + BT [in 230V] + phase control [230V 1500W]) .) LED Module (Electronic for 24V DC) .) Communication Module (µC + Com)

    $172 (Avg Bid)
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    25 bids
    Step 7 Modbus TCP read 2 days left
    VERIFIED

    We have a step 7 V2.7 firmware ET200S controller program where we wish to implement modbus TCP to read a slave power meter.

    $181 (Avg Bid)
    Featured
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    14 bids
    Simple circuit for a Arduino 2 days left
    VERIFIED

    I would need Simple circuit design that does the following 2 tasks for a 5V arduino pro mini 1. Power the Arduino (5V) from a car Battery (12-16V) including protection circuit. The Arduino should keep Power for about 5 seconds after the Battery power is switched off 2. Take a 12-16 V square wave and reduce it to a 5V Square wave via a opto coupler so it can be used with a digital input I don't need a PCB Layout

    $21 (Avg Bid)
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    42 bids

    4 flat piezos connected to a PCB, Qi rechargeable battery, bluetooth controlled by an app (app is for piezo vibration amplitude adjustment).

    $454 (Avg Bid)
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    23 bids

    Circuit should be of 4inch by 3inch with memory card (memory card cannot be acessible from outside it should attached with pcb inside its case,hence we cannot remove from outside so there should not be any slot ) Feature of wifi and bluetooth. power supply 3.7v 3200mah rechargeable battery, TFT and endoscope camera. TFT comes with 54 pin details will be shared and camera comes with 4 wire selection of microcontroller should be affordable endoscope camera should be used for streaming live video. endoscope camera(camera comes with its own module ), no need to develop extra components for it . camera should be drag outside with wire away from the pcb (length of the wire will be of 8 inch). there will be on/off button ,backward and forward button, wifi button. programming required for run...

    $375 (Avg Bid)
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    9 bids
    Website connected to Arduino 2 days left
    VERIFIED

    i need to develop a simple website that read json file from arduino, via IP, and display the value received from the arduino

    $24 (Avg Bid)
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    22 bids

    I need a code for arduino and the language is c++ for this project: Our project is an automated pillbox: It has arduino uno wifi, LCD I2C, keypad 4*4, buzzer (alarm), 2 IR sensors, 2 micro servo motors. 1- the patient will set the pillbox he will enter date/time. 2- he will choose number of medications (1 or 2). 3- he will enter the time and number of pills for each medication. 4- when it’s time to take medication 1 alarm will go on until the patient press the button on the keypad. 5- the door of medication 1 will open using micro servo motor. 6- there is IR sensor inside the compartment of medication 1 to sense the medication has moved or not. 7- the patient has to conform taking the medication if yes number of pills for medication 1 will reduce by 1 and upload to the cloud. 8- aft...

    $201 (Avg Bid)
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    32 bids

    Hi, We need to design and develop IoT devices that must have following features: 1. Humidity Measurement 2. Temperature Measurement 3. Accurate Location using GPS Further details will be shared with selected freelancers only. PLEASE BID IF YOU HAVE DESIGN AND DEVELOP SIMILAR PRODUCTS BEFORE. Thanks

    $157 (Avg Bid)
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    18 bids

    I need help creating a custom DIY bark repellent device. It can be based on Arduino, Raspberry or pure electronics - Raspberry and Arduino being the best as they can be easily updated or programmed. Anything I can find on the market are small toys without the much required power. It has to use larger loudspeakers - not the tiny kind you see in any bark repellent It has to allow change of frequency (as in adjusting for a specific dog/animal). From what I understood it has to emit ultrasonics around 20kHz-25Khz (in case of dogs) so it is not a such complicated device but I need someone to think about all these aspects and compatibility of the electronic pieces. I have very good coding skills and some basic electronics knowledge so I will be able to provide feedback and help with anything...

    $49 (Avg Bid)
    $49 Avg Bid
    10 bids

    I’m looking for an experience individual who have worked with drive control algorithms e.g PI,MPC,HC. I am implementing model predictive current control for dynamics performance of SPMSM. In simulation the model is working very well and system show excellent closed loop performance. I want to implement it on hardware(Tms320f28335), if someone has experience of implementing MPC FOR motor drive then feel free to message me here for further discussion.

    $230 (Avg Bid)
    $230 Avg Bid
    4 bids
    Electronics expert 1 day left
    VERIFIED

    I'm looking for an electronics expert to help me work out how to automate functions on a circuit board. If you understand the attached board and how it works message me for further details on exactly what I'm looking to do.

    $95 (Avg Bid)
    $95 Avg Bid
    24 bids

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