Circuit Design projects — HireLancer archive

ID / Date Listing

Digital Circuit Design Expert -- 2

Digital Circuit Design Expert for urgent task

Three Phase AC Energy Meter with digital output for Current, Voltage, Power Consumed

Hello We need to design and fabricate a three phase AC power energy Meter. The design should use clip on current sensors. The output should include three phase...

HL-32758682

Digital Circuit Design Expert

Digital Circuit Design Expert for urgent task

HL-32755903

Circuit designer

DC to DC portable charger Input 48 v 400a Output 300-500v 40 a

HL-32755659

Phase 1: Development of sensors, PCBs and MCU for our project.

Hello, we are restarting our project right now. We clarified phase 1, so that it is easier to determine the time effort and costs that need to be put into this....

HL-32755455

PCB Desgin Tutorial Teaching + Guidance

Hi I need someone who can teach and help me how to design PCB with the BEST PCB layout tutorials. I will need your 1 or 2 hours Thank you

HL-32751519

Battery Charger Design and Testing.

We are an intelligent control company looking to implement our technology on an electric bike battery charger. We require someone who can design the charger, te...

HL-32751442

Battery Charger Design and Testing

We are an intelligent control company looking to implement our technology on an electric bike battery charger. We require someone who can design the charger, te...

HL-32751274

Arc suppression circuit for limiting latching power relay arcing under operation and increase reliability

This project requires knowledge in power relay physics and arc suppression (TVS) techniques. We need a circuit to wrap around a latching power relay to minimize...

HL-32751197

Expirerenced PCB board developer

Looking for an experienced PCB board developer. Attached please see Project description.pdf ! Do NOT bid on this project unless you have read description carefu...

HL-32751208

4G MODBUS-RTU RS485 HUB to communicate with sensors

I want you to build a Datalogger Hub based on an RTU, with sensor data reading (temperature, humidity, solar radiation, etc) via RS485, up to 5 direct sensors,...

HL-32750815

Digital circuit -- 2

I need help with a task in digital circuit

HL-32750353

Applied Electronics and Measurements

I will take exam on 28th January. I have attached a sample exam, I have the answers for them. If you know how to solve such tasks, send me some answers in teleg...

HL-32746582

PV IoT Device Development

Please read the detail before you respond. Any response which does not follow the requirements will be ignored. We need 4 newly designed IoT devises. They must...

HL-32740697

Convert pdf circuit to pcb schematic

Need to convert circuit (circuit.pdf) into pcb schematic so i can modify it. Pls tell in what format do you'll design PCB Sensor datasheet and dimension it's at...

HL-32737317

Build an electronic hardware product for automotives

I am looking for an electronics engineering to design an electronic product for motorcycles. The product functionality is related to making the indicators blink...

HL-32735947

PCB design in Eagle (MCU replace)

I need follwoing changes Switch microUSB to USBC Switch SAMD21G18A MCU to RP2040. Both run on the ARM M0 architecture and have similar I/O with many open source...

HL-32734893

Electrical circuit to be redrawn

Hi, I have a project, I have a few questions, I want to double check my answers and I have circuits to be rewritten. It is one hour job, max two hours, I want i...

HL-32733707

PCB design

PCB design to control the electric motor.

HL-32732173

commissioning Engineering

I want an electrical commissioning engineer, for a technical task advise

HL-32731452

Help me design a EMS/TENS circuit

I need help with the design of a TENS (transcutaneous electrical nerve stimulation)/ EMS( Electrical Muscle Stimulation) circuit. The circuit should : - Have tw...

HL-32729176

7vdc buck regulator for Arduino Mega PSU

We need a 24vdc in to 7vdc out - buck converter @ approximately 1.5amp to power an Arduino Mega / DUE. The onboard regulator gets hot if driven above 8vdc, so I...

HL-32727721

Circuit design for DC motor

I am working on a project. In this project - we need to rotate a 9V or less DC motor for 10seconds at particular speed and then stop for 30seconds. Again rotate...

HL-32724655

PCB Designer & Firmware Engineer for Sensor RS485 Industrial board

Need engineer for immediate start on sensor board design with RS485 output. Board schematics have been partially completed. Send message for more information Jo...

HL-32724502

Develop 3 Gerber file for PCB manufacture. No components in design just tracks.

Need 3 PCB files in Gerber format for PCB manufacture Simple design. 1: No components 2: Multilayer board with tracks in the middle only. No tracks or component...

HL-32720696

PCB PCI express with ESP32

I would like design PCB with PCI express slot to PC. I would like start, restart my computer from home, office and so on. I want design in KICAD Idea is connect...

HL-32716944

Design & build an AM radio transmitter

Hi I'm looking to get a custom made AM transmitter that operates between 3-10MHz with an adjustable output from 0 to 50Watts power. It has to be able to carry f...

HL-32705765

Electrical Circuit problem

Hi, I have built a circuit and there seems to be a problem with it. I am out of ideas what the problem is. Can you watch the videolink where I describe the issu...

HL-32705522

simple project on tritan mcu TR16F064

hi looking for an expert on tritan mcu TR16F064............ thank u

HL-32705356

Upgrade an original PCB, add RS485 connectivity.

Upgrade a previous PCB design, add a serial RS485 via cat5 ethernet port, code controller for Modbus RTU. We will provide original PCB design with BOM, Eagle, a...

HL-32700939

Battery Management system for lithium battery

Programmable Battery management system design for 16S, 60Amps lithium battery packs. The [project involves complete design of product starting from PCB design,...

HL-32699347

Design Simple PCB Adapter Board

The project is to design a PCB layout with one type of connector which will connect to a different type of connector with approximately 100 pins. As there are a...

HL-32695484

PCB layout & design/development

Analog Voice Recording/Playback Device. More details will be provided as needed.

HL-32694685

Electrical and Electronics Engineering

A professional in Electrical and Electronics domain to answer questions from Electromagnetic Theory (EMT) correctly in a given time duration.

HL-32692666

Electronics and electrical engineering

I need a professional eee student who can solve question and answer them correctly in a given time duration. For digital system design.

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Electrical car charging expertise

Looking for an electrical engineer to design the blue prints of existing car charging v1 and v2 hardware. Must be familiar with electrical vehicles, dc and ac p...

HL-32690131

integration of PV battery and ultra capacitor based electric vehicles

In simulation we have designed multi port converter.. Input 48 v we have given. In ouptut we r getting very less voltage.

HL-32030146

touch switch

It simply a touch switch .Using battery 3.7 volt , I need to touch the battery almunium cover it on and off the battery exactly the link I have mentioned below...

HL-32684423

Electronic Engineer needed

Need to design PCB board for a Audio Amplifier

HL-32680574

firmware flashing procedure Firmware pcb Development

firmware flashing procedure for a new pcb board designed with chipset, but win 32 windows didn't find the device id to flash software onto, if you have expertis...