微控制器 工作与竞赛

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!
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浏览Freelancer上的工作

项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(CNY)
atmel studio stm32 Device to monitor a resistance value and convert to a 0-5v output presented over a CAN bus and a analog output with bad value rejection. 7 电子, 微控制器, 电機工程, 印制板布局, Arduino Nov 22, 2017 今天6天 20时 ¥15557
PCB Design for Police Device Hello everyone, We currently have a working prototype and the design uses 2 PCB's. We would like to condense it into 1 PCB and miniaturize it to the size of a flash drive if possible. The Circuit Board requires: -GPS -WiFi -SMS -LTE 3.0 or higher -Processor -2.0G RAM -Our proprietary software installed -Speaker -1 GPS antenna -1 Cell Antenna -Battery (5v, 2,500 mAh) LiPO -P... 4 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Nov 22, 2017 今天6天 19时 ¥403
Develope a Vehicle data logger using Embedded C I have to develop a embedded C code for my project. I am using STM32 arm cortex m4. 22 C 编程, 电子, 微控制器, 软件构架, C++编程 Nov 22, 2017 今天6天 19时 ¥9101
I need a frontend/firmwire developer for nodemcu/arduino I need to create a simple front-end on nodemcu/arduino on firmwire for end-user input configuration settings. These configurations also will be sent to an etcd service. 11 微控制器, C++编程, HTML, Arduino Nov 22, 2017 今天6天 16时 ¥898
write a simple code for sample testing k Please check new schematic diagram in attached. And IC datasheet. Please write a simple code for sample testing 6 电子, Verilog / VHDL, 微控制器, 电機工程, 电路设计 Nov 22, 2017 今天6天 15时 ¥738
stm8s207 i2c code from interrupet -- 3 - 22/11/2017 12:42 EST I am using internal crystal,I need i2c code work from interrupt 3 C 编程, 电子, 微控制器, 电機工程, Arduino Nov 22, 2017 今天6天 15时 ¥964
Pill dispeser -- 3 Im looking to develop a pill dispenser. its involve a small electrical engine, robotics, electronics. im looking to hire a full time 2 or 3 professionals for 3 months estimated project developing . See this link : Look like this product but with much more features [链接已删除,请登录查看] We like to have persons from Europe 9 工程, 电子, 微控制器, 机电一体化, 机器人技术 Nov 22, 2017 今天6天 14时 ¥57596
nordic bluetooth low energy urgent help I need urgent help, my project is stuck from last 2 weeks, I cannot find a solution on any forum. if you integrated a lsm303 motion sensor with nrf51422 nrf51822 you already have the solution. I need the core piece of code. 1 工程, 微控制器, 电機工程 Nov 22, 2017 今天6天 13时 ¥132
Remote control programmer prototype and C code What I need is 3 things: 1.- Garage remote control prototype, frequency from 280 MHz to 440 MHz. (any size) Including IC of Silicon Labs Si4010 or Si4012. 2.-Programmer prototype to set fequency of remote control (any size) 3.- C code of remote and programmer. Kind of code is not important for this project. We want to get the code of programmer and remote to implement them in our actual progr... 16 C 编程, 电子, C# 编程, 微控制器, C++编程 Nov 22, 2017 今天6天 13时 ¥4313
Design a microcontroller based hardware Our major chunk of machines work on MODBUS RTU (RS485/232) protocol and/or direct integration with analog & digital sensors. We're looking for someone who: - has a deep understading of MODBUS protocol - can architect & develop a microcontroller based hardware for communication with these MODBUS RTU (Rs232/485) enabled machines. - can work with various communication modules (GSM/GP... 15 C 编程, 电子, 微控制器, 电機工程, 印制板布局 Nov 22, 2017 今天6天 13时 ¥3250
mbed develop Hi, I search mbed developer for ARM MCUs. The source code existing for the hardware. (MCUs, communications modules and sensor boards.) The code base [链接已删除,请登录查看] and manufacturers web site. The develop steps: 1. WiFi sensor node: ST Nucleo-L073RZ base board + X-Nucleo-IKS01A2 + IDW01M1 WiFi board, the sensor measured data transfer for MQTT broker on WLAN 2. LoRaWan sensor node: ST Nucleo... 5 C# 编程, 微控制器 Nov 22, 2017 今天6天 11时 ¥1102
MiCS-6814 gas chip measurement C code Im measuring MiCS-6814 with esp32(12-bit SAR ) 3.3V I need code in C with calculations from voltages in ADC channels to NO, CO and NH3 in ppm. I think it is better to bid someone who have alwready the tested code for this gas chip. he will make quick money.. * how to calculate Rs/R0 from privided graphic 6 C 编程, 电子, 微控制器, 电機工程, C++编程 Nov 22, 2017 今天6天 10时 ¥1047
Computer Design and ProtoTyping build a 32 bit architecture CPU, the CPU include the Register File, ALU, Control Unit, Instruction Register, Data Memory, PC Register, Shift logic unit, Conditional Logic Unit, and a 3-level cache read and write memory for the Data memory. The units need to be built in Verilog HDL then represented as a symbol on a schematic diagram and connected together using wires. Accompanied with each unit s... 6 电子, Verilog / VHDL, 微控制器, 电機工程, FPGA Nov 22, 2017 今天6天 4时 ¥1096
PCB Designing Multi layer , Single Layer PCB Designing 33 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Nov 22, 2017 今天6天 3时 ¥34
电子, 微控制器, 软件构架, 机械工程, 电機工程 Nov 21, 2017 Nov 21, 20175天 21时
Full Automatic Incubator Shaker Design/Produce the below prototype : Operational model: Continuous /touch operation Digital Control for temp, shaking speed, time Temp Range : + 5 to 60 degree C ( 30, 37, 44 degree C choices’ setup ) Capacity: 10 ml –50 ml tubes/Vials; 2-15 ml for 1—16 tubes The total power of the device: 200W Speed Range: 300-3000 rpm Speed/Temp/Time display: 5 inches Led digital Link t... 2 无线, 电子, 微控制器, 电機工程, 产品设计 Nov 21, 2017 Nov 21, 20175天 19时 ¥19603
[req] finding chips to add to video PAL signal on screen graphics and texts [req] finding chips to add to video PAL signal on screen graphics and texts i req also schematic 1 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Nov 21, 2017 Nov 21, 20175天 17时 ¥174
Software for rasperry pi or simila /// want to measure in my house the power conusption(3 phases) and the temperatur + humidity. Maybe the Project can be realise with a rasperry pi or similar but i am also open for every other kind of ideas. So i need someone who visualizes me the data from the sensors and also advise me in the choise of Hardware./// 11 C 编程, 电子, 微控制器, 软件构架, 电機工程 Nov 21, 2017 Nov 21, 20175天 17时 ¥2046
Software for rasperry pi or similar Hello all, i want to measure in my house the power conusption(3 phases) and the temperatur + humidity. Maybe the Project can be realise with a rasperry pi or similar but i am also open for every other kind of ideas. So i need someone who visualizes me the data from the sensors and also advise me in the choise of Hardware. Best regards 20 C 编程, 电子, 微控制器, 软件构架, 电機工程 Nov 21, 2017 Nov 21, 20175天 16时 ¥3328
Electrical Engineer to make power supply design I have a project that I am trying to bypass the use of battery in cell-phones and power them directly from the USB port. Must trick the phone to think the battery is connected otherwise it doesn't power up. It is for a specific phone version. 15 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Nov 21, 2017 Nov 21, 20175天 15时 ¥1597
Programmer needed to make changes to existing code for running WS2812B LED's with arduino I'm using an arduino uno to display text on WS2812B LED strips in a matrix. In the final setup I might have 7 strips of around 210leds = 1470leds. Currently I have them working nicely with this code from github, hardware-wise mine are set up in the same fashion: [链接已删除,请登录查看] article on code and example of use: [链接已删除,请登录查看] I need someone to make changes to the code: -I would li... 10 Python, 电子, 微控制器, 电機工程, Arduino Nov 21, 2017 Nov 21, 20175天 14时 ¥125
SMC Interface and SPI Slave Logic for CPLD Project 1) Implement high-speed 8-bit bus for MCU (ATSAM3U) to connect to Altera CPLD (5M160ZM68C5N) 2) Implement SPI Mode-0 SPI Slave in CPLD logic 3) Implement Dual SPI Slave mode in CPLD logic 4) Implement QUAD SPI Slave mode in CPLD logic 5) Implement general purpose I/O (8-bit) Port B in CPLD logic 6) Implement JTAG Host shift logic in CPLD logic 6 C 编程, 电子, Verilog / VHDL, 微控制器, FPGA Nov 21, 2017 Nov 21, 20175天 10时 ¥191
Pin change interrupt in LPC1549 for connecting an optical encoder Hello, I need to program a pin change interrupt on LPC1549. The intended use is to read an optical encoder (10 bit) to calculate the angle of a control project. You should make sure that this micro project is working at the end. If you are interested, please quote below. Regards, Rahul 5 C 编程, 电子, 微控制器, 电機工程, C++编程 Nov 21, 2017 Nov 21, 20175天 10时 ¥158
arduino raspberi pi programming we are looking for somebody who can deal with Arduino, AND Raspberi pi programming and execution 21 C 编程, 电子, 微控制器, LabVIEW, Arduino Nov 21, 2017 Nov 21, 20175天 9时 ¥2384
ESP8266 RESET AND PUBLIC IP DISCOVERY FUNCTIONS Hell, I have an already Arduino project for my ESP8266 module and would like to add just 2 functions. 1st is the reset or factory default function that if press GPIO-0 for more than 5-10sec It will go back or reset all inputs or details on my existing Arduino application. This is like any device that you buy and after set your own details, but if you press for a long time it will reset all the fie... 7 C 编程, 电子, 微控制器, Arduino, 低功耗蓝牙(BLE) Nov 21, 2017 Nov 21, 20175天 6时 ¥152
Embedded System Engineering - Mutiple IOT Projects Embedded System Engineering - Mutiple IOT Projects We are a tech products company based in California, USA looking for companies/feelancers with Embedded Systems Engineering (Hardware & Firware) experience. This could be on ongoing or fixed days engagement for 30 working days for our projects. Qualifications: 4+ years of firmware, device driver, or equivalent experience A passion f... 35 C 编程, 电子, 微控制器, 印制板布局, C++编程 Nov 20, 2017 Nov 20, 20175天 1时 ¥10132
120hz HDMI to square wave converter Hi, my company is in need of a PCB that will convert a 120hz HDMI input from a camera to a 60hz square wave. It will need to track the frames and give us a high pulse on even frames and a low pulse on odd frames. Time frame and compensation are negotiable. 13 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Nov 20, 2017 Nov 20, 20174天 23时 ¥7320
ARDUINO UNO Code for Monitoring System with 3 Sensor Good Day, can you help me for my coding/programming assignment for arduino. From 3 sensors ,data will be sent to arduino via bluetooth and from arduino the data will be sent to computer wirelessly. Thank you. I will be needing the code on November 28,2017. I know its very urgent so I am willing to pay for your service. Thank you. Its very urgent please help us. 31 C 编程, 电子, 微控制器, 电機工程, Arduino Nov 20, 2017 Nov 20, 20174天 22时 ¥2613
i need ic programmer i need a programmer to help me and educate and teach me how to make a copy of this ic frame wire attachment in the photo upload and to change the in the enternal frame wire 4 C 编程, 电子, 微控制器, 电機工程, Arduino Nov 20, 2017 Nov 20, 20174天 18时 ¥370
[req] finding chip(s) for galvanic separation of video (cvbs full SCART/EURO) PAL signals -- 2 i find chip(s) whitch i can do galvanic separation of video signals (up to 10MHz)... or schematic with example amplifier... HELP! full EURO - cvbs + luma/chroma + rgb 0 工程, 电子, 微控制器, 电機工程, 电路设计 Nov 20, 2017 Nov 20, 20174天 17时 -
[req] finding chip(s) for construction video PAL (cvbs) signal to VGA D-SUB signal -- 2 required chip(s) and schematic for build converter and scandoubler witch can convrt VIDEO signal to VGA signal (show VIDEO on VGA monitors) 2 电子, 微控制器, 电機工程, 电路设计 Nov 20, 2017 Nov 20, 20174天 17时 ¥128
Home Automation - Circuit Debugging Assistance It's a basic home automation project. I am able to control the relay without any problem until i connect it with a ac appliance (bulb). 14 工程, 电子, Verilog / VHDL, 微控制器, 电機工程 Nov 20, 2017 Nov 20, 20174天 17时 ¥120
Implementing Momitoring System with Alarm using microcontroller - Hardware using MC9S08QE96 microcontroller - C code should be writter on Codewarrior 6 微控制器, 电機工程, 嵌入式软件 Nov 20, 2017 Nov 20, 20174天 16时 ¥158
C program for a leave me alone box I'm looking for someone to write a C program for a leave me alone box. The circuit consists of 2 transistors, a motor with built in limit switch, a double pole, double throw switch and a pull up or pull down resistor if needed. ideally you will know how to use pulse width modulation. I cant really justify spending over $80 a working box can be seen here: [链接已删除,请登录查看] 10 C 编程, 电子, 微控制器, 电機工程, C++编程 Nov 20, 2017 Nov 20, 20174天 16时 ¥469
EM wave generator, recorder Requirements attached. This job is for a fully functional and tested breadboard prototype and the electrical design only. I will do the manufacturing. The hand made prototype does not need to fit in the size requirements, but the final electrical design (Gerber, BOM) must fit in. Prototype to be demonstrated on video. (no voice is required) I need Gerber files and BOM and full instruction... 20 电子, 微控制器, 电機工程, 印制板布局, Arduino Nov 20, 2017 Nov 20, 20174天 8时 ¥5830
19 Nov 2017- Electrical engineer needed to design a circuit - 20/11/2017 03:58 EST ***WHO IS ELIGIBLE TO APPLY*** Please only apply for this project if you live in one of the following countries: Russia Belarus Ukraine Moldova Romania Serbia Bosnia-Herzegovina Montenegro Kosovo Macedonia Albania Egypt Morocco Morocco? Yes. Morocco. Morocco is a sentimental choice. Frankly, I will most likely end up working with engineers who live in Russia and the Uk... 12 微控制器, 电機工程, 嵌入式软件, 电路设计 Nov 20, 2017 Nov 20, 20174天 7时 ¥53
32-bit MIPS processor in VHDL The processor I want to design is a 32-bit version of the MIPS processor, however the instruction set only needs to be a small subset of the actual MIPS ISA. It should implement the multicycle datapath version of the processor utilizing the VHDL hardware descriptive language. The processor should support three instruction formats: R-format, I-format, and J-format The memories should be word ad... 6 工程, 电子, Verilog / VHDL, 微控制器, 电機工程 Nov 20, 2017 Nov 20, 20174天 4时 ¥515
Project for Arslan A. -- 2 hello i have a txt ile with 4 columns the isrt is the time the second is the current or phase a the 3 phase b and the 4 phase c i need to get the fft graph in mat lab 9 工程, 电子, 矩阵及数学软件, 微控制器, 电機工程, Nov 19, 2017 Nov 19, 20176天 23时 ¥1650
Needed Arduino Based Developer for ESP8266 Hungrytail is a bangalore based startup working in smart pet feeding solutions. We need a Arduino based developer to develop firmware for ESP8266 development board for our latest project . Expected person should have basic knowledge of electronics and have experience with writing code on [链接已删除,请登录查看] projects are prefered. This project will be time and milestone bound . Interested people do fe... 37 C 编程, 电子, 微控制器, 电機工程, Arduino Nov 19, 2017 Nov 19, 20173天 18时 ¥3090
Vehicle Tracker We are willing to take additional quotes if our budget is under estimated. I need a small vehicle tracker that records odometer/mileage, engine rpm and time information and will pair and sync this data automatically with an external computer device like a smart phone, mobile device or computer. Requirements of device: - small - works with vehicle 12v power supply and independent of havin... 53 电子, Mobile App Development, 微控制器, 电機工程, Arduino Nov 19, 2017 Nov 19, 20173天 16时 ¥50296
Turn loads on and off using ardunio uno and esp8266 Connection Arduno uno ——> esp8266 Tx (1)———> RX Rx (0)———-> TX 3.3v———-> Vcc & CH_PD GND——-> GND Arduno pins Pin 2 —-> load 1 Pin 3 ——> load 2 Pin 4 —-> load 3 Pin 5 —-> load 4 Create a html with buttons to turn the loads on and off 10 无线, 微控制器, 电機工程 Nov 19, 2017 Nov 19, 20173天 11时 ¥601
IoT Sensor Hardware - C Programming - Contiki OS Hi there ! We are looking for a trustworthy and skilled Software Developer, who has experience in embedded systems development, especially working with Texas Industries Radio Chips (cc26xx / cc13xx Soc) Contiki OS (which is running on above mentioned chips) The project focus is to extend an existing demo application with code for getting additional sensor data, switch DPIO's from the ... 17 C 编程, 无线, 微控制器, 嵌入式软件 Nov 19, 2017 Nov 19, 20173天 10时 ¥101
hardware design hardware and software design for water proof project 22 工程, 电子, 微控制器, 电機工程 Nov 19, 2017 Nov 19, 20173天 5时 ¥4140
Arduino code and android app I need the code and android app for the following project. The Arduino board will be an Uno Rev 3 I need code to drive a stepper motor that must use the Accelstepper.h library and the SoftwareSerial.h library as the project is to be used via Bluetooth. I need the speed, acceleration and amount of rotation to bounce from a defined limit in the app and back again. The speed, acceleration and amount... 13 电子, Mobile App Development, 安卓, 微控制器, Arduino Nov 18, 2017 Nov 18, 20172天 15时 ¥1553
Arduino Joystick Box Project I wanted to build a joystick button box to save money, and I bought all the parts needed, and realized I need help. It is using an arduino uno, and several types of switches. I want to know if you are interested in writing the code needed for the arduino to control spst/dpdt toggles, led momentary switches, a 3 position key switch, and rotary encoder dials? I will also need wiring diagram, and ... 27 C 编程, 电子, 微控制器, Arduino Nov 18, 2017 Nov 18, 20172天 15时 ¥79
Embedded C++ programing "array only" I want a suggestion to make an array of data 21 电子, 微控制器, 嵌入式软件, C++编程 Nov 18, 2017 Nov 18, 20172天 10时 ¥166
Pin change interrupt in LPC1549 Hello, I need to program a pin change interrupt on LPC1549. The intended use is to read an optical encoder (10 bit) to calculate the angle of a control project. You should make sure that this micro project is working at the end. If you are interested, please quote below. Regards, Rahul 3 微控制器 Nov 18, 2017 Nov 18, 20172天 10时 ¥152
PCB Design and embedded programming for a brushless DC driver Requirements : 1- It's a mobile system that works with battery. So low power consuption is required and also high efficiency. 2- Nominal voltage : 48 V Nominal current (max. continuous current): 4 A Stall current : 60 A 3- No want fans etc. Only heat sink. 4- Minimum PCB size. 5- Failsafe microcontroller. 6- Failsafe communication protocol needed. 7- Motor protection by hardware and... 28 C 编程, 电子, 微控制器, 电機工程, 印制板布局 Nov 18, 2017 Nov 18, 20172天 5时 ¥409
Design Microcontroller Code Devise a communication protocol/method to communicate to between devices, through RS232. There is one ‘master’ and up to two slaves, which communicate two ways. Slaves will have unique addresses. Code needs to be compatible with ATMEL microcontrollers as this is what will be used. Communication is simple and will take the following form; • Master to slave o Turn output 1 to 8... 25 电子, Verilog / VHDL, 微控制器, 电機工程, Arduino Nov 18, 2017 Nov 18, 20172天 3时 ¥935
Arduino Canbus Read Ignition Retards and MissFire Hello I want a code fro arduino to read Ignition Retards and MissFire from a can bus with mpc2515 and mpc2551. i want only for Volkswagen group cars 6 电子, 微控制器, 软件构架, 电機工程, Arduino Nov 17, 2017 Nov 17, 20171天 19时 ¥280
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