Circuit Design projects — HireLancer archive

ID / Date Listing

PCB design stm + sim900

i need PCB design stm + sim900 ,battery powered ( 2x 3.6 Battery in parallel). all data send to cloud database, we have 3 inputs ( reed relay, temperature senso...

HL-33073490

I need design elecronic circuit

I need design elecronic pcb board and get gerber file to upload on pcbway.

HL-33072045

PCB design

I have a home automation project, I want someone who can design PCB. Mostly 4/8 channel relay board with ESP module.

HL-33071189

Hardware cum embedded software project

Part-A work : 1. Inside steering we are putting three sensors-(i) Finger Print sensor (ii) Alcohol Sensor (iii) Health Sensor. 2. All their data has to be perio...

HL-33070804

Flashing led lights mini pcb circuit board

After a mini circuit board that has 3 to 4 LEDS and simply rotates between them. Maybe use 555 timer? Or smaller component. Would be good to have two micro pots...

HL-33069673

Kicad expert Engineer required

HL-33069492

Electrical Engineer Troubleshoot and Repair

Can someone please help me repair this circuit board that goes into an oven?

HL-33067599

Simple Flexible PCB

I need a PCB Designer to reverse engineer a flexible PCB which is a simple voice Coil used in vintage Loudspeakers. There are no electronic components on the bo...

HL-33066308

Project 02 for Dmytrop2020

Led driver PCB design and schematic.

HL-33065549

Hardware Engineer -- 2

Hi, I need a hardware expert in Noida location who will be responsible for schematic design, component selection, PCB design, troubleshooting, testing and all t...

HL-33065266

Electronic Engineer Needed

I urgently need an electronic engineer for my project. More detailes will be posted soon.

HL-33061290

Small prototype Circuit assembling (delhi only)

I am working on a project of which i have schematics ready, my client lives in delhi and i am from other city, i am looking for an electronics guy to assemble a...

HL-33060916

Development of the solar energy battery charger simulation circuit

I need only task 2. The report should be typed and submitted as a portable document format (PDF). The report should not be more than eight pages in single colum...

HL-33060700

Upgraded Version of existing PCB design

PCB used for RC motor with electronic speed controller. Extra functions such as servo & LED light. I have an existing PCB for you to copy from. Main objective i...

HL-33059976

design and programing sfp+ transceiver (10gb and 6gb)

hello guys . i need to design sfp+ transceiver in two models : 1- 10 gb 1310nm 1.4km fp laser power between -9.3dBm to -1dBm receiver sensitivity of -11.1dBm 2-...

HL-33059792

Circuit design

I would like a circuit that when switched on needs to apply intermittent pulses of power to a solenoid. The solenoid is 12v, but I want to run the circuit on an...

HL-33059233

Looking for somone plc expert

expert in programmable logic controller inside industrial computer's , for S7 400 PLC, PCS7 & WINCC experience in that , we will discuss more details together t...

HL-33058762

How to control the MOSFET of a LiPo battery protection (DW01)

Hello, it should be a simple question for electric engineers and hope someone can give me a professional solution. Here is my Reddit post about that question wh...

HL-33056109

Digital Logic Design

Need someone who is familar with digital logic design using logisim

HL-33054781

C-BAND LNA SUPER LOW NOISE AMPLIFIER DESIGN 5.50 GHZ to 6.50 GHZ N.F. = 0.75 DB MAX

A super low noise amplifier in the C-Band frequency range 5.50 to 6.50 GHz shall be designed. The noise figure shall 0.75 dB max. and the gain between 15 dB to...

HL-33053579

dc power line communication circuit

I want some one to help me to design dc power line communication circuit to receive and send data

HL-33052195

Need Expert Electrical and Circuit Prototyping Engineer

More details will be shared in the Chat box.

HL-33052135

I need a Plc Programmer(siemens log)

I am building a small water park for children and I have about 6 activities that are triggered by sensors and need to be controlled by the siemens board. I need...

HL-33048595

ASIC Designer needed

We are designing a low-power, high efficiency cryptocurrency mining chip. Need a creative and experienced designer to consult with our team

HL-33046549

Circuit Board

I want to get the design and construction of a small electronic board that controls a 48V DC motor and will open the circuit when an overcurrent is detected and...

HL-33045498

Circuit Board Design WS2812 micro controller

Hi, I'm after as small as possible circuit for controlling WS2811/WS2812 LED. This is a 'static board', so no remote connectivity, just simply want it to go thr...

HL-33043566

Off Grid / Hybrid Solar Inverter

We are looking a software designer who can develop power backup product , like inverter, Solar Inverter , MPPT solar hybrid inverter as per our design requireme...

HL-33039204

Create Electrical Schematic

I need someone with the knowledge to create an electrical schematic and labeling system for a control panel. I have a hand drawn picture of the schematic but ne...

HL-33036858

Schematic and PCB Design in Multisim

I need a circuit schematic and PCB using Multisim. More details will be shared in the Chat box.

HL-33036615

Electrical PCB

Hi Folks, We are looking for a PCB Design for an Electrical Charging Station

HL-33035755

Electronics engineer - DC-DC buck boost functionality

We have a board (24vin) that has a step up function (50v) and two step down functions (12v, 5v). Need help selecting components for the step up and step down as...

HL-33035359

Need to design a schematic in multisim and convert it to pcb

Pls bid and I'll get back to u Thanks

HL-33034383

Protection of overvoltage in DC DC converter

I have DC/DC step-up TPS5450 to have two selectable outputs with two 10K multiturn potentiometers. When I switch from the first potentiometr to second there is...

HL-33034342

pcb design

Want a custom design Pcb with electronics knowledge all details will be shared later.

HL-33032249

printed circuit board design

we want you to built the pcb from a existing pcb.

HL-33032016

pcb design

our company wants a freelancer to make changes to a printed circuit board.

HL-33031298

Electronics Circuit Design Engineer

We need Electronics Circuit Design Engineer for Development of our products related Lithium Battery Based Products Like EV Energy Storage MPPT. Strong Knowledge...

HL-33031309

Electronics Prototype Design

We need Electronics Engineer for Development of our products related Lithium Battery Based Products Like EV Energy Storage MPPT. Strong Knowledge on Circuit Des...

HL-33030752

Analog CMOS Circuit

Need help with a project related to analog circuit design.

HL-33028847

Rediseño de Tarjeta de procesamiento con microcontrolador

Se requiere el rediseño de una tarjeta de procesamiento por actualización del microcontrolador. Esta tarjeta tiene una dimensión de 50mm x 20mm y es a 4 capas....