Circuit Design projects — HireLancer archive

ID / Date Listing

PCB S-Parameter and TDR Simulation -- 2

We are looking for an expert who can help us do PCB simulations of two boards. Relevant Information: 1. The files will be provided in ODB++ format. 2. The PCBs...

HL-33890899

Looking for Electronics Engineer

I am working on small project for my kid. I need your help to consult for following things. 1) Selection of smallest possible LEDs 2) Selection of Power 3) Posi...

HL-33890090

Remote Controlled Fan

Hello, I have significant interest in technology with the ability to remotely control other pieces of technology. I am looking for someone who knows how to do s...

HL-33889301

data communication over dc power line

hello I need someone to help me to build data communication over the dc power line with good experience in this field please justify what technology you want to...

HL-33888189

Circuit design of IMU sensor and ESP32

For my research project am building a motion capture system to record biomechanical movement of human arm. i have developed motion capture hardware using module...

HL-33886984

Need some one who have idea about PCB assembly and devlopment

Need some one who can help me to devlopment of my project

HL-33886915

Edit -PCB design project - with rf trace impedance matching trace

Hi Please bid if you have worked with impedance matching on 2 Layer PCB for rf module

HL-33884621

Electrical wiring diagram load schedule

We want to have electrical wiring and load schedule as per ADDC Abu dhabi

HL-33882072

Customized temp controller PCBA

Looking for elettrical engineer to made gerber file for PCBA of customized temp controller.

HL-33880854

Lora gateway design

We need your hello design Lora gate way with chip semtech. Device connect RJ45 and Wi-Fi to the internet Wi-Fi’s Please offer price include make prototype 3 pcs...

HL-33880321

PH controller

Need to develop pH controller. DIC Digital pH meter Type 505 M is a precise and compact pH Monitoring System using solid state devices for direct measurement of...

HL-33879009

Industrial Grade 5 Port Unmanaged networking switch - Design & Development

Required: Working Prototype with all necessary tests completed. Assembly Design Circuit Diagram Schematics BOM (2/3 variations in make of components) Test Cases...

HL-33877664

Board redesign for order

I need to replace some connectors and resistors on the pcb board already designed. That work was done in altium. We are looking for a professional who can quick...

HL-33876146

Thermostat

I need a C wire installed in my thermostat. I have a google home thermostat.

HL-33874569

Worst case circuit analysis

To perform a worst case analysis on an electrical circuit. Will provide all necessary documents. Need it done ASAP.

HL-33873111

USB Charger PCB Design need.

High power USB charge circuit and PCB design with BQ25731

HL-33871364

Automated Demolder Schematic

Hello! I need a drawing done of an automatic demolder machine

HL-33870817

Licensed Arizona Electrical Engineer needed to design off-grid solar

We have researched solar panels, batteries, inverters, and other components for a DIY off-grid solar installation for our home in northern arizona. For permitti...

HL-33869032

calculate the amperage/voltage usage after installing a new HVAC system

Need a certificate issued by certified electrical designer for newly installed HVAC: a) derate conductor for temperature conversion. b) load calculation for add...

HL-33868015

Repair My DVD player

My DVD player model is Philips Mini Hi-Fi System FWD796/21M On that circuit gets burned due to voltage issues PCH Capacitor Electrolytic 400V - 450V 47uF gets b...

HL-33867567

3 x I2C + 1 x 1-Wire to RS485 interface PCB plus sensor carrier PCB

Hardware and firmware design, for an RS485 adressable interface PCB (Sensor communication PCB), reading data from 3x I2C ports and 1 1-wire port. Each I2C port...

HL-33867548

Feasibility study TEG communication device

Small transceiver video screen powered by human body heat and micro-solar cell

HL-33867332

Designing a PCB for etching.

The PCB uses NodeMCU CP2102, LM2596 Buck DC-DC power supply module, XL6009 Step up power supply module, 2 channel Isolation 817 Module. I have attached the PCB...

HL-31373539

PCB Design In Altium -- 2

Looking for experienced and New freelancers who know PCB Design in Altium India Only

HL-33865024

Realtime High Speed Multi-Channel Data Acquisition and time logging Using LabVIEW and DAQmx Hardware

Realtime High Speed Multi-Channel Data Acquisition and time data logging Using LabVIEW and DAQmx Hardware. Hello I need to create a single LabVIEW VI on LabVIEW...

HL-33862754

cpin not ready sim800c

We are using sim800c with esp32 but the it does not connect to network. It says CPIN not ready This is a custom pcb and if you know how to solve it, please put...

HL-33860453

PHPoC LCD

We need to send data to a serial 2x16 LCD from PHPoC Black board

HL-33859688

Updating bomlist part and fixing parts numbers

We want to check our bomlist mistakes and update parts , please feel free to ask all information. They will be provided. Freelancer should have experience about...

HL-33859451

PCB Compliance test and upgrade

We require a skilled PCB designer to examine and alter if needed 3 pcbs that are part of an overal design concept. we would require the following tasks. 1: chec...

HL-33859205

Project of simple electromagnetic field transmitter 100Hz-1MHz, 10-100w.

Job to do: Create project of simple electromagnetic field transmitter that will be used for medical purpose. It will produce desired electromagnetic field that...

HL-33858833

Electronic project of an STM32 based board

Need an electronic project, only schematics, in Kicad. The board must have a STM32F072 as mcu. Then here is the list of requirements: -power supply at 24Vdc; -e...

HL-33856452

Need help with electronics rework (soldering skill is required)

Hi there Our office is at One-north and we need someone to assist with reworking failed electronic devices. There are currently about 200 assorted units that ne...

HL-33854511

PSpise errors to solve

hello dear, I have a problem with PSpice can u help me to solve these errors ERROR(ORPSIM-15141): Less than 2 connections at node N00115. ERROR(ORPSIM-15141): L...

HL-33854346

Design a toroidal step down power transformer

Primary input = 230V, 50Hz Secondary = 1000A at 1V Primary turns = 112, secondary turns = 4 Requirements 1. Hysteresis operating characteristics (B-H loop curve...

HL-33851867

Control engineering urgent help

I need help with control engineering 8 june 8am aedt. Till 11 june 8 am aedt Please contact me asap

HL-33851522

PCB design with on board dual band GSM antenna.

Hi We are looking for an expert who has experience on making GSM PCB antenna. PCB design with on board dual band GSM antenna.

HL-33851434

PCB design

Hi, I would like an audio player PCB to be designed. The mp3 chip has already been sourced, so we are looking for someone who can design the 15W amplifier circu...

HL-33851154

Schematic and Simulation for a 50mA Current Source/Sink

Hi. I am searching for an expert engineer for providing a valid schematic and verified simulation in TINA-TI for a current source/sink of approx. 50mA over a 1....

HL-33846727

PID temperature regulator with arduino (temperature speed decrease and increase with time) for oven

I need a PID temperature control for a lab oven ( resistance around clay) where the temperature increase and decrease with time at different speeds (1 to 20 hou...

HL-33846101

PCB Routing - SMD top placement only -- 2

I need a EAGLE routing expert for a 220 x 150 mm board with 245 components. The board has top components only and should be routed on 2 layers if possible. Smal...