Electronics projects — HireLancer archive

ID / Date Listing

Design and develop signal monitoring board with ESP32-WROOM-32UE

The PCB board needs to cover followed specifications: 1. Main board supply DC-DC Step-Down 8-36V to 3.3V (TPS54560 or suitable) 2. Four analog inputs to measure...

HL-39888160

Custom CCTV SMPS PCB Design

I need a reliable PCB layout for a CCTV power-supply module that converts 230 VAC mains to a regulated 12 V DC at 5 A. I already have a rough schematic and key...

HL-39887638

230V AC to 24V DC PCB

I need a reliable AC-DC converter PCB that takes 230 V mains input and provides a regulated 24 V DC output at 2.5 A for a new consumer-electronics product. The...

HL-39887247

Audio-Visual Cable Management Support

I’m in the middle of an electronics-repair job and have reached the point where the bundle of audio/visual cables inside the unit needs to be tamed. I have the...

HL-39886870

Miniaturized Medical Device Development -- 2

I’m building an implantable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two clos...

HL-39886584

Campervan Electrical Prints Finalization

All core drawings for my campervan’s electrical package are roughed-in; now I need a qualified electrical engineer to turn them into a final, inspection-ready p...

HL-39886250

RF/Microwave Engineer for MIMO Antenna Analysis

I'm seeking an experienced RF/Microwave Engineer or Antenna Design Specialist proficient in Ansys HFSS to perform advanced analysis and generate specific report...

HL-39885975

AI-Integrated Wearable Health Monitoring System

I’m seeking skilled biomedical and hardware engineers to help develop a wearable device (patch, ring, or bracelet) that continuously monitors vital signs — hear...

HL-39885379

Passenger Lift Repair ASAP

My passenger lift has stopped travelling between floors and I need it back in safe, reliable service as soon as possible. I’m looking for an experienced lift te...

HL-39885437

Wearable Health Firmware Development

I am building a small wearable that tracks blood pressure and blood glucose levels and streams that data over Bluetooth to a companion app. I need production-re...

HL-39885464

ATSAMD21 custom Bootloader for DFU from external NOR Flash

I have a fully working bootloader for the ATSAMD21G18A and now need a customised version that can autonomously update firmware stored on an external NOR-based S...

HL-39885167

Siemens NX Forging Simulation Expert

Project Description: We are seeking a skilled freelancer experienced in Siemens NX software, specifically with forging simulation (NX Forming module) and manufa...

HL-39884944

MQTT Broker & control board Firmware

we have website and system online to control different cabinet vending machine from different brands which works by open and close electronic locks we need to a...

HL-39884948

Smart Air Filter PCB Design

I’m developing a battery-powered smart air-filter controller and need a turnkey PCB that I can send straight to fabrication. The board has to bring together an...

HL-39884766

LabVIEW Engineer for Pick-and-Place Arm Control

I need a LabVIEW engineer to program and deploy the control system on NI myRIO for a simple pick-and-place arm. I will handle mechanical build and wiring. Your...

HL-39884584

Florida-Based Professional Engineer Needed for Electrical Design Review and Certification

I am seeking a Florida-licensed professional engineer to assist with the review and certification of electrical design drawings submitted to the City of Fort My...

HL-39884038

Micro SD-to-SD PCB Design

I need a straightforward PCB that converts a micro SD card to a full-size SD footprint for quick prototyping work. I already sketched the layout; use that as yo...

HL-39884042

Diverter PCB Review & Redesign

I have already drafted the PCB for a combined first-flush and full-tank diverter, but it is only at the “first pass” stage. Before I commit to fabrication, I wa...

HL-39883873

Allen-Bradley PLC Programming Expert Needed

I'm seeking an experienced Allen-Bradley PLC programmer for support on various ongoing jobs. Key Tasks: - Programming - Debugging - Troubleshooting We will be w...

HL-39883892

48V 150A DC Converter Design

I need a straightforward, component-level design for a high-current buck/boost converter that can take 16 V – 60 V DC and deliver a stable 48 V output at up to...

HL-39883628

Ethernet CAN Bulldozer Remote Control

I need a practical, end-to-end solution that lets me drive a bulldozer’s tracks from a control station over wired Ethernet. The bulldozer exposes its controls o...

HL-39883470

Solid state transformer 400v to 22kv

I need simulation matlab about solid state transformer 400v to 22kv Solid stage transformer:type three stage (AC/DC - DC/DC- DC/AC) Source 400v (three phase) Co...

HL-39883160

USB-C PD Module Sourcing

I’m an independent U.S. inventor working on a new unparalleled project of convenience and I am in need of a USB-C compliant PD module designer. The specs are as...

HL-39881286

RS485 Raspberry Pi Motor Control

I’m developing an ultrasonic plastic-tube sealing system for our R&D line and need a working control package for the two Panasonic servo motors that rotate the...

HL-39882842

ESP32-S3 Siren Detection Logger

I have an ESP32-S3 module with an electret mic wired to a single GPIO pin. I need firmware that continuously listens for the three common emergency-vehicle sire...

HL-39882704

Inverter MATLAB Training Classes

I want to create a short series of professional-level classes that teach inverter control techniques and the simulation of inverter systems in MATLAB/Simulink....

HL-39882760

Balanced Women’s Gym Fitness Plan

I’m building a results-driven program for women who want to burn fat, tone up, and feel confident without living in the gym. To bring this vision to life, I nee...

HL-39882149

Advanced Arduino Robot Coding Support

Help with High School Business Incubator Class Project. Students need help with Code update/rewriting from a project idea they found online. The orginial idea f...

HL-39882152

Power Electronics expert required

Power Electronics expert required for fixing Power converters simulations and add more extended work to it

HL-39881764

ESP32 I/O PCB Design

I need a production-ready PCB that lets a 38-pin ESP32-WROOM module act as a compact controller with all of its peripherals neatly laid out. Power comes in at 1...

HL-39881573

DSP Expert for Stethoscope ANC

I am refining the next-generation version of our digital stethoscope and the priority is adding robust active, adaptive noise-cancellation that can cope with th...

HL-39880428

400W BLDC Controller and Motor Solution Design

I need a production-ready hardware solution that lets a 400 W BLDC motor run smoothly from 0 rpm up to 250 rpm while maintaining full torque across the entire r...

HL-39878730

Senior RPA Engineer (Python) · Robot facturador multi-ERP

Diseñar y construir un adapter ERP-agnóstico para el robot facturador: Definir una interfaz única (p. ej., ERPBillingGateway) con métodos: crearFactura, validar...

HL-39878280

Experienced PCB Design Engineer Needed

I need a skilled engineer to take my concept from schematic capture all the way through a finished, manufacturing-ready PCB layout. The design details are open...

HL-39877819

Arduino Home Automation Setup

I'm looking for an Arduino expert to help with a DIY home automation project. The primary focus is on motion detection and weight detection, with actuation base...

HL-39877688

Industrial WiFi Switch with Software

I need a complete WiFi-based switch signal transmitter, receiver and accompanying control software—for an industrial machine monitoring The goal is simple: when...

HL-39877693

Single-Layer PCB Layout

I have a very small board—just three components in total—that I need laid out on a single-layer PCB as quickly as possible. Two of the parts are SMD, one is thr...

HL-39877475

Piezo Igniter for Oxy Acetylene

I need a reliable piezo-electric system that will consistently ignite oxy-acetylene for welding, cutting, and heating tasks. (Note the tool and concept actually...

HL-39877211

PCB Design & Development – India Only

Looking for an experienced PCB Designer-Developer (India) with hands-on experience in ESP32 hardware. Project Scope: Custom PCB with ESP32-S3 Multiple sensor in...

HL-39876917

Main electronics card

I have a full specification package and SOW ready that outlines a compact electronic card devoted to managing heat inside a consumer-electronics product. The fo...