Схемотехніка Роботи та конкурси

If you want an end to end outsourcing solution for all your projects relating to circuit designing, outsource the work or job at the world's best marketing resource online Freelancer.com and get the work done by the expert circuit designer freelancers. These freelancers work online from all across the world and can be helpful to you and your project. Freelance them the work to be done either on part time or full time basis and be assured of an optimum result. The job sphere may include PCB designing, PCB board circuit debugging, layout, schematic designing, MCS including the software design and the hardware design.

The freelancer circuit designer will be able to work on the PCB print circuit, half finished product design, finished product and also assemble them. Their other work expertise are high speed telecom, RF board, DSP, microcontroller control, signal board, circuit design and assembling, electronic items designing like toy, motor, electronic gifts, main board, security defend, Vidicon, USB, DVD etc. If you are a freelancer having adequate skill and experience in circuit designing, Ethernet, USB, electronics, networking, digital and such related fields, submit your bid in the Freelancer.com and get posted immediately.

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Проект/Конкурс Описання Заявки/Роботи Навички Розпочато Закінчується Ціна (USD)
Digitally controlled Dc to Dc converter(Buck Boost) The microcontroller controlled Dc to Dc converter 20 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 17, 2017 Сьогодні6д. 21г. $313
Heat sensor - hardware project Hello. I need to create easy heat sensor. It should have 1,5V AA battery, small led green light, heat sensor and on/off switch. Please see attached scheme. I need that it works in style - when i put the "legs" of this device in fluid and it has only room temperature, then it will not lighting. But when i put the "legs" of this device in hot fluid, then it will light green. Bud... 26 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 17, 2017 Сьогодні6д. 16г. $174
Design a circuit to perform PMC memory related operations Hello, Looking for someone, who can design a circuit to perform PMC memory related operation. I have a read and write circuit which can perform read and write operations on a PMC (programmable metalization cell) memory cell. Now the circuit I want to design (we will call it a controller as it controls the operation) will first read the data stored inside the cell (with help of read circuit) ... 5 Електроніка, Електротехніка, Схемотехніка Oct 17, 2017 Сьогодні6д. 13г. $550
Design a circuit to perfroem PMC memory related operations Hello, Looking for someone, who can design a circuit to perform PMC memory related operation. I have a read and write circuit which can perform read and write operations on a PMC (programmable metalization cell) memory cell. Now the circuit I want to design (we will call it a controller as it controls the operation) will first read the data stored inside the cell (with help of read circuit) ... 3 Схемотехніка Oct 17, 2017 Сьогодні6д. 13г. $544
Controller - 16/10/2017 21:59 EDT Design a controller schematic base on attached diagram. Accepted files: DIP TRACE ASCII//PDF/P-CAD ASCII/JPG 13 Електроніка, CAD/CAM, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 16, 2017 Сьогодні6д. 10г. $80
printed circuit board design printed circuit board design 20 Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 16, 2017 Сьогодні6д. 6г. $44
NFC (Mifare) cards reader. PIC, NXP PN532. Proteus. Hello! I was given a task to make a reader for NFC tags and Mifare cards (Classic cards would be enough, I suppose). What it should be like: I have to connect NXP PN532 reader (link below) using UART interface (I think it is more preferable than I2C or SPI interface because of its simplicity) with PIC microcontroller, which should be modelated in Proteus. Connection between PN532 and PC should b... 6 Програмування на С, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 16, 2017 Сьогодні6д. 6г. $290
Static Voltage Stabilizer IGBT PWM NEED CIRCUIT OF Static Voltage Stabilizer IGBT PWM- LIKE THIS LINK [url видалений, увійдіть для перегляду] 3 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 16, 2017 Сьогодні6д. 5г. $329
I would like to hire an Engineer Wall sander. Help wanted to design and invent a professional battery driven oscillating wall sander. A regular oscillating sander but with size and form of a small Book. Longlife dc motor , speed controller. We want to run it with max 24 volt 7 Техніка, Електроніка, Електротехніка, Схемотехніка Oct 16, 2017 Oct 16, 20175д. 21г. $134
pcb desing 1 i need for my project one desing pcb .The progect mot to be in gerber file ready for execute. 30 Електроніка, CAD/CAM, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 16, 2017 Oct 16, 20175д. 17г. $112
Electronic and Circuit Design I need a Layout Design with Expresspcb software 9 Техніка, Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 15, 2017 Oct 15, 20175д. 6г. $25
OBD circuit PCB circuit design Hello, I want to design a pcb for obd in vehicles. Must be able to test prototypes. make gerber files and offer improvement. Very important to be dependable. 27 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 15, 2017 Oct 15, 20175д. 1г. $254
Electrical Engineering Project-4 Need an electrical engineering expert Budget-35$ 4 Техніка, Електроніка, Matlab and Mathematica, Електротехніка, Схемотехніка Oct 15, 2017 Oct 15, 20174д. 21г. $28
Eagle PCB-Design involving GSM, GPS and BLE We are looking for a freelancer to support a redesign of an existing 2-layer PCB. Following skills required: - Very good skills in Cadsoft Eagle - Design for volume production - Experience in antenna design is a plus - Design needs to be prepared for CE-Certification 27 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 14, 2017 Oct 14, 20174д. 1г. $28
Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 14, 2017 Oct 14, 20173д. 23г.
PCB design of smart watch as well as configuration development and firmware design i need a new PCB design and source code of implemented smart watch . i need this code to allow me to allow me to have it written as a software in future. 14 Електроніка, Мікроконтролер, Вбудоване ПЗ, Розводка друкованої плати, Схемотехніка Oct 14, 2017 Oct 14, 20173д. 20г. $227
Relay module and pinboard ---layout PCB (PADS) very simple board . [url видалений, увійдіть для перегляду] use PADS to layout. 2. Prepare BOM 9 Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 14, 2017 Oct 14, 20173д. 18г. $33
Build A Drone A Drone with 4 LEDs, 4 Brushed Motors, Gyroscope, and a camera. I uploaded a document with all of the information. 10 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 14, 2017 Oct 14, 20173д. 17г. $148
want to design led driver when we can adjust the voltage and current to set the power output and suite all kind of applications the power input is 120-220v for driver and the power output is 3w-60w we need two controllers or short knobs to control voltage and current individually at output. if it is not possible in single driver split up in to two drivers 3-30w and 30-60w 16 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 14, 2017 Oct 14, 20173д. 16г. $413
Re-design a simple existing circuit board I require a simple timer circuit based on an existing design. There is a PIC which will require a program file. I have attached photos of the existing board and most of the bill of materials. 40 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 13, 2017 Oct 13, 20173д. 4г. $161
PCB Layout design I have a schematic done y eagle. I need to do layout it with Altium for double side PCB with 4 Layer 57 Електроніка, Розводка друкованої плати, Схемотехніка Oct 13, 2017 Oct 13, 20173д. $130
PCB - Circuit Design Small Task I have a small task that needs simulation and circuit and pcb design. I can share all details if someone can do it. 42 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 13, 2017 Oct 13, 20172д. 23г. $49
[eagle -> (ONLY) protel 99 se] move and correcting pcb from eagle to only protel 99 se i need person who redraw board from eagle to (ONLY) protel 99 se and do some correction in this job create of element's packages correct pcb from new schematic (in protel's sch) some element add correct pinout lcd corect drawing of the packages 5 Електроніка, CAD/CAM, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 13, 2017 Oct 13, 20172д. 17г. $50
Project for Jaikumar M. Hi Jaikumar M., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 7 Електроніка, Електротехніка, Виробничий дизайн, , Цифровий дизайн, Схемотехніка Oct 12, 2017 Oct 12, 20175д. 5г. $269
SD Card Reader Develop a SD Card reader for multiple connected /inserted cards (up-to 10). A manual jumper switches between the different cards for individual read and write [url видалений, увійдіть для перегляду] design should use the latest SD card technology for all cards currently on the market. For this I need advise, a circuit design (and possibly a prototype) 26 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 12, 2017 Oct 12, 20171д. 19г. $738
555 circuit modification I have a schematic for a slow fading led circuit using a 555 timer. I would like to have the circuit modified to use a photoresistor to turn the circuit on at night and off at day. 9 Електроніка, Схемотехніка Oct 11, 2017 Oct 11, 20171д. 5г. $83
BJT transistor circuits problems Please look at the attached file for more details. `Only need page 2 till page 6 done. Part 1 till Part 4. 5 Техніка, Електроніка, Технологія машинобудування, Електротехніка, Схемотехніка Oct 11, 2017 Oct 11, 20171д. $36
[req] finding chip(s) for construction video PAL (cvbs) signal to VGA D-SUB signal required chip(s) and schematic for build converter and scandoubler witch can convrt VIDEO signal to VGA signal (show VIDEO on VGA monitors) 3 Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 11, 2017 Oct 11, 201721г. 44х. $18
[req] finding chip(s) for galvanic separation of video (cvbs) PAL signals i find chip(s) whitch i can do galvanic separation of video signals (up to 10MHz)... or schematic with example amplifier... HELP! 3 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Oct 11, 2017 Oct 11, 201721г. 42х. $30
PCB Design, Drawing, Production, and Finished Product We need someone to come up with a production PCB design for production for our small circuit project based on Arduino. That includes: 1. Gerber files for production 2. General BOM writing for PCB assembly 3. Help with boxing material and design for a finished good product I can provide png or jpeg files for our breadboard design circuit. The circuit is very simple and has Arduino Uno, ... 45 Розводка друкованої плати, Arduino, Асемблювання, Схемотехніка, Дизайн Oct 11, 2017 Oct 11, 201714г. 2х. $399
low current measurement circuit design need person who has knowledge about circuit design using latest opamps according our specifications after discussion only project will be granted project contains there parts [url видалений, увійдіть для перегляду] and HV part [url видалений, увійдіть для перегляду] eradication [url видалений, увійдіть для перегляду] section [url видалений, увійдіть для перегляду] output section 24 Електроніка, Мікроконтролер, Розводка друкованої плати, Комунікації, Схемотехніка Oct 11, 2017 Oct 11, 201713г. 10х. $433
Project for Anton P. Hi Anton P., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 10 Електроніка, Article Writing, Електротехніка, , Англійська (ВБ), Схемотехніка Oct 11, 2017 Oct 11, 20173д. 13г. $70
technicaldata electrical appliances technical details 1 Електроніка, Виробництво, Проектування споруд, Дизайн продукту, Схемотехніка Oct 11, 2017 Oct 11, 2017Закінчився $1915
need to get to be done bluetooth watch and tracker Hi, freelancers I need to make a new bluetooth device that contains watch andtracker function. It would be better if it can be compatible with gps. the size and style should be similar to the watch. the smaller, the better. Hope to discuss more after PM. thanks 8 Бездротові технології, Мікроконтролер, Arduino, Схемотехніка, Bluetooth з низьким енергоспоживанням (BLE) Oct 10, 2017 Oct 10, 20179г. 54х. $545
Develop, Test and Implement it in software environment and simulate the circuit functionality - open to bidding We need to develop a digital multiplier circuit and we need to test the circuit design, Implement it in software environment and simulate the circuit functionality. This is going to be part of a bigger project (ARM IP Core, DSP CPU) and we may need to compare the circuit functionality with some other recommended multiplier in terms of speed and foot print. 7 Електроніка, Verilog / VHDL, Електротехніка, Цифровий дизайн, Схемотехніка Oct 10, 2017 Oct 10, 20177г. 55х. $107
Counter People Bus Hardware and Firmware Design for People Control The project should contain Interfaces (WiFi, GPS, GPRS, Accelerometer and Cameras) An electrical schematic, a nameplate, and all product documentation should be developed as (Component Technical Specifications, Operating Manuals, BOMs and Product Testing Requests) We are currently using a raspberry pi 3 to develop counting software. We need our ow... 11 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Oct 10, 2017 Oct 10, 20175г. 6х. $532
Electrical Project Work Need Expert Help. Electrical Work Need Expert Help 6 Техніка, Виробництво, Проектування споруд, Дизайн продукту, Схемотехніка Oct 10, 2017 Oct 10, 2017Закінчився $20
Electrical Project Work Need Expert Help Electrical Project Help Need Help 17 Техніка, Виробництво, Проектування споруд, Дизайн продукту, Схемотехніка Oct 10, 2017 Oct 10, 2017Закінчився $19
PC Board Solder Project in Irvine, CA Seeking professional and skilled solder technician to solder very small capacitor to a single connection on approx. 1800 PC Boards. Attached is an image of a PC board with the solder work completed, with the work requiring completion circled in red. Please provide a project quote to finish all PC Boards in question. All work must be done in-house at our facilities located in Irvine, CA. 3 Мікроконтролер, PLC & SCADA, Розводка друкованої плати, Асемблювання, Схемотехніка Oct 9, 2017 Oct 9, 2017Закінчився $620
how to replace a heater core on a Chevolet 2000 silverado pickup how to replace a heater core in a Chevolet 2000 Silverado pickup 2 Palm, PLC & SCADA, Схемотехніка, Самовивіз Oct 9, 2017 Oct 9, 2017Закінчився $250
Soldering Project You have to solder the button cells with leds and wires as per the specifications which will be mentioned after being hired. 12 PLC & SCADA, Розводка друкованої плати, Вимірювальна техніка, Асемблювання, Схемотехніка Oct 9, 2017 Oct 9, 2017Закінчився $20
Design undergraduate level circuits Designing electrical engineering circuitry and simulations 34 Графічний дизайн, Електротехніка, Бологія, Схемотехніка, Дизайн Oct 9, 2017 Oct 9, 2017Закінчився $18
EKG PCB optimization and debugging Need help in debugging prototype device for ECG. It is based on a Texas instrument ADS11292 and is covering only two precordial leads V1 and V3. The problems we need to solve are: 1. Why ERA and ELA pads that are currently on PCB aren’t working properly? Signal is too noisy. Configuration is designed for connection with these sensor pads ([url видалений, увійдіть для перегляду] ). How cr... 9 Інтернет-маркетинг, Потенційні замовники, Розводка друкованої плати, Налагодження програм, Схемотехніка Oct 9, 2017 Oct 9, 2017Закінчився $661
Arduino based Home Automation system Design and construct a PCB and create an android app that works with a cloud platform to control on-off for up to 4 switches. 40 Мікроконтролер, Розводка друкованої плати, Arduino, Схемотехніка, App Designer Oct 9, 2017 Oct 9, 2017Закінчився $371
Arduino Aquarium Project I want to make a planted aquarium, and I want to make it fully automatic. 25 Мікроконтролер, Palm, PLC & SCADA, Arduino, Схемотехніка Oct 9, 2017 Oct 9, 2017Закінчився $112
Use Arduino UNO to clone (copy and resend) RF signals Objective: Use Arduino UNO to clone (copy, and resend) 315MHz or 433MHz RF signals Details: 1. You can choose one frequency from 315MHz or 433MHz. I have both devices. 2. The original RF signal to copy and replay: remote control command between a toy Key Fob and a 1-channel wireless relay. E.g. push botton on key fob, the LED on the relay will turn on / off. (it is a toy key fob only, not re... 4 Бездротові технології, Мікроконтролер, Arduino, Схемотехніка, Bluetooth з низьким енергоспоживанням (BLE) Oct 8, 2017 Oct 8, 2017Закінчився $106
Assemble and calibrate audio amplifier Hello i am working in audio and develop a high end audio loudspeaker to power this loudspeaker i have chosen pcb amplifier i need a skilled person to get the whole working 1/ indicate me the power supply to use ( toroïdal) 2/do all the wiring (i provide the switch) 3/assemble the pcb board, toroidal transformer .... switch... it will happen in your city i already have switch... 6 Аудіо-послуги, Мікроконтролер, Розводка друкованої плати, Схемотехніка, FPGA Oct 8, 2017 Oct 8, 2017Закінчився $219
Beehive monitor Looking for hard and software using load cells, humidity and temperature controllers in order to monitor the internal and external condition of 10 beehives. Skills : Circuit design, Arduino, Electrical Engineering, Electronics 21 Архітектура ПЗ, PLC & SCADA, Електротехніка, Схемотехніка, Розробка ПЗ Oct 8, 2017 Oct 8, 2017Закінчився $166
STM32 motor control project template Hey guys, I started using STM32 motor workbench and FOC SDK v4.3, and the code is a bit more complex than what I'm used to. For that reason, I need someone experienced in STM32 FOC library, to create some functions that are easier to use for a part time coder. Project description as follows The target of this project is to design a template using STM32 FOC SDK v4.3. This template shall h... 12 Мікроконтролер, PLC & SCADA, Arduino, Схемотехніка, FPGA Oct 8, 2017 Oct 8, 2017Закінчився $624
I would like to hire a PCB Layout Designer I need a 4 layer PCB designer which has experience with high speed memory handling (like DDR2), and can design a board like Carambola2, LinkIt Smart 7688 etc, with the addition of some other components (PCIE modem, SIM card etc)... 24 Електроніка, Мікроконтролер, Розводка друкованої плати, Схемотехніка Oct 7, 2017 Oct 7, 2017Закінчився $257
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