微控制器 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! 雇佣Microcontroller Developers

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    76 搜到的工作,价格货币为 USD

    把teensy2.0作为midi设备,从teensy2.0接出八个旋钮或推子控制音乐软件音量,有两个teensy2.0,一个发送,一个接收,也就是一个teensy2.0插在电脑上,另一个teensy2.0(接8个音量旋钮或者推子)通过无线(xbee)发送到这个teensy2.0(作为midi设备插在PC上)。 因此我想请大神帮我写这两个teensy2.0的代码,一个是发送代码一个是接收代码。 下面有一个文件是别人做好的代码,但是只能控制一个旋钮或推子(如果按照这个事例修改为控制八个旋钮或推子的话,就会互相干扰)的音量,我要的是八个。仅作参考

    $23 (Avg Bid)
    $23 平均报价
    3 个竞标
    PCB design 6 天 left
    已验证

    I am looking for someone who can help me in designing PCB and software (Embedded system)

    $250 - $750
    $250 - $750
    0 个竞标

    I need you, an expert! Arduino code, perhaps hardware support. IPv4 and IPv6 on possibly W6100 MKR with an Arduino MKR zero, or on nano SAMD with ETH shield if possible! Webinterface on SD card to setup IPv4 and IPv6 settings. SNMP support in V1 or V2c or V3 choosable on the webinterface, too. Interested? Looking forward. ..Later the code must be expanded by I/O functions and a RS485 comm...

    $1345 (Avg Bid)
    $1345 平均报价
    11 个竞标

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per night between 7pm and 11pm your local time. - You will tutor me (teach me) how to use Python. - We will text chat. Therefore, you need to read and write English but you do *not* need to *speak* English. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelan...

    $10 / hr (Avg Bid)
    $10 / hr 平均报价
    9 个竞标

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. - If Freelancer.com prevents you from bidding on ...

    $11 / hr (Avg Bid)
    $11 / hr 平均报价
    44 个竞标

    I want to design a PCB board of 25 layers in PADS layout. If you have latest PAds software.

    $1269 (Avg Bid)
    $1269 平均报价
    9 个竞标

    ESP8266 SPIFFS JSON SoftAP MQTT Store (wifi Station, mqtt server and mqtt port) ESP8266 Arduino sketch including soft access point option and mqtt server information store to a json file (this is like Wifimanager by tzapu) but i need fresh embedded code so you should use below library only #include <FS.h> #include <ESP8266WiFi.h> //esp8266/Arduino #inclu...

    $107 (Avg Bid)
    $107 平均报价
    5 个竞标

    Looking to discuss an automotive firmware project. Code is misra c for arm cortex using freescale codewarrior toolchain. First task is approximately 4-8 hours work

    $35 / hr (Avg Bid)
    $35 / hr 平均报价
    25 个竞标
    PCB Design 6 天 left

    Small PCB Design for time and date

    $5 / hr (Avg Bid)
    $5 / hr 平均报价
    11 个竞标

    Overview I'm making a tracked tank based robot using Ubuntu 18.04 (Bionic Beaver) and ROS Melodic (Robot Operating System). The robot is tethered with copper & fibre optic cable. All the electronics has been purchased & is currently being assembled. Communications On-site support is available by means of mobile, Whatsapp, Skype & email. Hardware All hardware is available & has...

    $580 (Avg Bid)
    $580 平均报价
    11 个竞标
    design pcb 6 天 left

    Design PCB for Laird BL652 chip with temperature sensor (MLX90615) and rgb led (neopixel) and battery + charging cirquit (micro-usb) (and if possible also program the chip via usb). The sensor and led need to be on a seperate board, connected with small cable (+/- 60mm distance). Goal is to make a wearable for artistic/scientic research. First make 1-5 test PCB’s by your design, if everyth...

    $538 (Avg Bid)
    $538 平均报价
    23 个竞标
    nrf9160 board 6 天 left

    looking for someone with experience to design a board with the Nordic nRF9160 LTE modem. smallest form factor

    $32 / hr (Avg Bid)
    $32 / hr 平均报价
    7 个竞标
    chrisscoleman 6 天 left

    1 Semiconductor fingerprint sensor 2 Intelligent update function of fingerprint information,Constantly learn and store user new fingerprint information. 3 Rated voltage:4-8 pcs batteries power supply Have a external power interface(DC-5V;Micro USB interface) 4 There are 1 buttons on the back of the door battery box:Initialization(Resume out of the factory)Key.

    $504 (Avg Bid)
    $504 平均报价
    9 个竞标

    I need two simple (!) Arduino C++ sketches; the first sketch is for an Arduino Mini Pro (Atmega 328P, 8 MHz, 3.3 V) connected to a Lora Hope RFM95W radio module (915 MHz) and with 3-wire capacitative water sensor connected to the Mini Pro A0 pin (+Vcc 3.3 V + GND). The sketch for the Mini Pro must sense once each day (to save battery) the presence of water at the connected water sensor and then se...

    $172 (Avg Bid)
    $172 平均报价
    13 个竞标

    Build IOT device to monitor temperature and position. For the first prototype, use comercial board (like Arduino, Linkit One, ESP, etc) with - DS18B20 temperature sensor - GPS - GSM/3G to send data - WiFi (optional) - Battery Data will be send to our server, we could discuss best way and the periodic to send it (better battery life versus accuracy)

    $475 (Avg Bid)
    $475 平均报价
    44 个竞标

    Implementation of Fractional-order function (S^e) on FPGA using VHDL. I don't want imaginary freelancer, please, please.

    $95 (Avg Bid)
    $95 平均报价
    3 个竞标

    My company provides mobile hearing testing to industrial sites around the country. Our computer interfaced audiometer uses outdated electronic components including the Intel D8741A microcontroller. My vintage programmer has an issue and I need to get a small amount of these chips programmed.

    $136 (Avg Bid)
    $136 平均报价
    6 个竞标
    low voltage 5 天 left

    We have to set up a temp retail store for a major brand in Connecticut.

    $35 / hr (Avg Bid)
    本地
    $35 / hr 平均报价
    10 个竞标

    Looking for [登录来查看链接] engineer who done his/ her degree in [登录来查看链接] in electrical. I need a Convertor for using in electrical vehicles for 48v to 12v.

    $125 (Avg Bid)
    $125 平均报价
    4 个竞标

    Требуется написать код для stm32f429igt6 для воспроизведения wav файлов c microsd карты посредством DAC.

    $110 (Avg Bid)
    $110 平均报价
    2 个竞标

    I need you to design a programable NMEA buffer PCB. It should be in 122mm x 110mm. PCB should receive RS-422 data and convert it to CMOS using transistors and opto couples and receivers. Outputs RS-422 data to multiple device. All input, output and power ports should be galvanic isolated from each other. Electrical connections should be according to NMEA standards(check "NMEA-0183 Information...

    $457 (Avg Bid)
    $457 平均报价
    12 个竞标
    ESP8266 Audio Player 5 天 left
    已验证

    ESP8266 Audio Interfacing Circuit Hardware Requirement:  ESP8266 controller (model 12F with 4 MB flash) dev board  8 ohm 0.5 Watt Speaker or 6.5 ohm 1W speaker to drive for mono audio file  Speaker interfacing circuit PCB to be developed (working with dev board via few jumper wires) PWM signal to be used and not I2S ....  Supply Voltage will be 3.7V from battery, no 5V will be available.. Soft...

    $155 (Avg Bid)
    $155 平均报价
    7 个竞标

    The Goal is to send and Receive data on an webbased MQTT server. The µC will be PIC18F Microchip (ideally 18f4685 or approx.) uart connected to ESP12 module (ESP8266) (At command) MQTT library will be compatible to versions 3.1 and 3.1.1 of the MQTT protocol (or upper). Establish/manage Wifi connection. / Establish/manage MQTT connection. MQTT data sent or received will be sensor value and s...

    $87 (Avg Bid)
    $87 平均报价
    6 个竞标

    BLE or low energy bluetooth project ( Hardware ) We want you to chosse right BLE for our project. Its portable product so Advertising mode current should be minimal and BLE chip should have MCU and Watchdog timmer inbuilt.

    $367 (Avg Bid)
    $367 平均报价
    16 个竞标

    Hello there. We would like to measure the pH and conductivity of water by using Arduino and Rasberry cards and ph and ec probes. We want to monitor the values on a 4-7 inch screen and determine certain set values. We want to get open-closed or 4-20ma proportional output from the cards according to the specified values. Can you help us with this kind of work? This is an example and we will have a l...

    $989 (Avg Bid)
    $989 平均报价
    28 个竞标

    I want to remotely monitor a 4-20ma signal from a level sensor remotely on my android mobile. There is internet avaiable (rj45 ethernet cable) at the installation site. I have an arduino already with ethernet shield.

    $303 (Avg Bid)
    $303 平均报价
    32 个竞标

    I need Led uv light intensity control using Arduino. UV is turned off and on by optical sensor t5500. UV light power is independent. The detailed task will be discussed when recruiting.

    $139 (Avg Bid)
    $139 平均报价
    31 个竞标
    Build prototype dashcam 4 天 left
    已验证

    Need a dashcam built with proprietary software. NDA signing required.

    $24 / hr (Avg Bid)
    保密协议
    $24 / hr 平均报价
    9 个竞标

    We are looking for an expert that has done magnatron/microwave ovens. We have a specific small area microwave (100mm x 100mm x 50mm) need and this needs a custom designed solution to make it competitive product. We are looking for someone with microwave oven design and manufacturing is desired.

    $18 / hr (Avg Bid)
    $18 / hr 平均报价
    3 个竞标
    servomotor error 4 天 left
    已验证

    we have error at the monitor as the attached photo is A 202 CODE axis servo error i want to know how can I find and solve the problem , what is the problem in the servomotor where we change the encoder .

    $37 (Avg Bid)
    $37 平均报价
    2 个竞标

    Hi we are a technology business, looking for a experience engineer to design a 2.4GHz doppler radar transmitter with 2-3MHz bandwidth. We have identified LMX2491 for generating the required signals/bandwidth. More info will be given as required.

    $1375 (Avg Bid)
    $1375 平均报价
    15 个竞标
    Bluetooth PCB board 4 天 left
    已验证

    YOU NEED TO SEND 3 Fully working prototypes, Schemetics, PCB layout , Bill of materials, using EagleCAD software. PRODUCTION COST should be AS LOW AS POSSIBLE , with low power consumption The Project is to Make Bluetooth device (20mmX30mm) with the following spec: Bluetooth device that takes 2 CONTROL variables 1- Renaming Bluetooth AT commands 2- Saving command characters in ROM Programmi...

    $568 (Avg Bid)
    $568 平均报价
    29 个竞标

    its computer-controlled systems for automatically placing and retrieving loads from defined storage locations. I used Arduino, Some sensor, motors and mechanical system in this

    $332 (Avg Bid)
    $332 平均报价
    11 个竞标

    6 axis robot development, It is an existing project. Experience with STM32 F411 , STM32 F7 Series. Trinamic TMC5160, TMC4330. RS422, RS485 with SP3070E-78E Family. Magnetic Encoders AS5147.

    $1157 (Avg Bid)
    $1157 平均报价
    33 个竞标

    We are an escape room company looking to build a long-term working relationship with someone who is well-versed with electronics - big and small. preferably someone who knows how to work with arduino/rfid/sensors and knows how to code. UK ONLY APPLICANTS PLEASE

    $180 (Avg Bid)
    $180 平均报价
    51 个竞标

    PCB board for charging 3,7V LiPo cells with downscaling from 5V and 12V for charging and upscaling to 5V and 12V discharging, incl. over- and undercharging protection including an interface to use the contacts from the battery to operate an LCD-Device. Autosensing USB-A and USB-C sockets to be integrated. The detailled task will be released after signing an NDA.

    $12 / hr (Avg Bid)
    $12 / hr 平均报价
    23 个竞标

    I am searching for a way to create some custom commands in Marlin or grbl to make use of external hardware connected through RS232 to Arduino while printing.

    $151 (Avg Bid)
    $151 平均报价
    10 个竞标
    PCB MAKING 3 天 left

    I want to make pcb for transformer, SMPS, motor drive, plc program.

    $5488 (Avg Bid)
    $5488 平均报价
    12 个竞标

    Hola Necesito una solución económica para un sistema de engrase para cadenas de arrastre. Para ello, pensé en una solución IoT basada en Arduino. Dejo a la elección del desarrollador la elección del hardware. Las especificaciones básicas son las siguientes: El controlador que propongas deberá contar impulsos (cada impulso es un eslabó...

    $544 (Avg Bid)
    $544 平均报价
    22 个竞标

    We are looking for an Electrical Engineer to provide a design review / second opinion of a PCB schematic prior to sending off for production. This would be a fairly small job consisting of a meeting to gain an understanding of the overall application and then a review of the design itself.

    $395 (Avg Bid)
    $395 平均报价
    44 个竞标

    Hi I need a library to use FT801 with STM32G070. The library should using HAL to commuincate by SPI

    $171 (Avg Bid)
    $171 平均报价
    13 个竞标
    Make a HUD system 2 天 left
    已验证

    to set up a HUD system showing details like speed, distance travelled, impact record, ability. to notify incoming call and ability to answer them using mic and speaker modules, Bluetooth connectivity, music playing and navigation assistance with route Info to be displayed on a LCD device with a battery back up for 6 hours, in minimal form factor

    $871 (Avg Bid)
    $871 平均报价
    4 个竞标

    Hi, I want ABB VFD communication protocol expert. details in chat please bid if you understand RS485 Communication by arduino to control another device. thanks

    $503 (Avg Bid)
    $503 平均报价
    11 个竞标

    Let there are 6 NodeMCU ESP8266. Each NodeMCU in outdoor area and battery powered. Let there name be T1-R1, T2-R2 and T3-R3. Ti device generates wifi with some ssid and paasword and the respective Ri pair gets connected to its Ti device using that ssid and paasword. I have log the signal strength of each pair twice per second in following format (time, signal strength). Thus I will have 6 readin...

    $131 (Avg Bid)
    $131 平均报价
    11 个竞标

    Need to design firmware to build MQTT gateway with following details [登录来查看链接] for STM32 + sim800 + SPI flash memory 2. Gateway need to publish data received on uart of STM32 gate way from mother board 3. Gateway need to subscribe topic and when data recieved send that data to mother board via uart 4. Gateway need to check atleast once/twice a day for new firmware available on server. 5. If new fi...

    $621 (Avg Bid)
    $621 平均报价
    7 个竞标

    I need you to design a main PCB board to operate two-wheel BLDC hub motors and a few auxiliary components e.g. lights. You will also design a small joystick logic to talk with the main PCB board. So we want to use as many pre-built electronic modules as possible to simplify the design task. All the pre-built modules have already been selected. Specific model numbers will be provided in private ch...

    $627 (Avg Bid)
    $627 平均报价
    20 个竞标
    Polar Arduino 1 天 left

    Merhabalar, Endustriyel alanda urettigimiz cihazlarimiz var. Cihazlarimizin uzerinde oransal,on-off vanalar, analog sensorler, elektrik motorlari gibi ekipmanlar mevcut ve belirli bir senaryo ile calisiyorlar. Ekipmanlarda genel olarak Siemens Plc'ler kullaniliyor ve kontroller analog swichler ile kontrol edilmekte genel olarak Hmi arayuzleri yok. Biz bu ekipmanlari daha uygun maliyetli ardui...

    $1058 (Avg Bid)
    $1058 平均报价
    18 个竞标

    I explain a little the project, I currently have a door to which they placed an electromagnetic lock. To open the door, people must identify themselves in 2 registration positions, after this, the security guard can pass his hand over the no touch button and release the lock so that the person can enter. I enclose the manual of the button and the lock, I WILL NOT have any biometric access control ...

    $30 (Avg Bid)
    $30 平均报价
    10 个竞标

    We need to implement an ultrasonic data transmission between a Computer and a board (IC = STM32, or nordic, ......) On computer must be only software to modulate the data in audio then on board only need to demodulate the audio in data. On the board we get the data from microphone.

    $562 (Avg Bid)
    $562 平均报价
    18 个竞标

    Basically need step by step instructions on how to build and install yocto image on beaglebone green wifi. Something of the sort - but need to talk with you before listing exact details - we have a few questions. This project will create detailed instructions (line by line) for: - Latest stable Debian - Beaglebone green wifi (must be this model) - Yocto latest version (or latest supported for...

    $586 (Avg Bid)
    $586 平均报价
    9 个竞标