Electronics projects — HireLancer archive

ID / Date Listing

PCB with 4 channels mosfet power switches

Create a PCB with mosfet power switches for 4 lines (both positive and negative wires), controled by PWM signal (high is on). And current control circuit, to co...

HL-40523344

Multilayer PCB for High-Current Converter

I need a power-electronics specialist to take my high-frequency resonant converter from concept to production-ready multilayer PCB. The heart of the job is the...

HL-40523352

STM32 6LoWPAN Stack Integration

I need a complete 6LoWPAN implementation running on an STM32 based node that will be used in automated control systems. The radio transceiver module already emb...

HL-40523302

Repair Morgana FRN5 Motor

My Morgana FRN5 automatic numbering/perf machine has stopped working. The motor is not starting, and there have been no recent incidents (like power surges or p...

HL-40523375

PCB Optimization for CE Compliance

I need assistance upgrading my PCB designs to meet CE standards for consumer electronics. Key tasks include shielding and protection enhancements, trace layout...

HL-40523212

Single-Sided Sensor PCB Design

I’m building a small personal device that relies on several sensors, and I now need a single-sided PCB layout to tie everything together. The board only has to...

HL-40523280

RF Locator Firmware Development (nRF52840 & SX1262) -- 2

# Embedded Firmware Developer Needed for RF Locator Device We are looking for an experienced Embedded Firmware Engineer to develop firmware for an nRF52840 & SX...

HL-40523113

ESP32 BLE Remote Control Firmware

Role Overview: We are seeking a highly skilled, hands-on Embedded Systems Engineer to help build a functional prototype of SolarPump X—an ultra-compact, solar-p...

HL-40523135

High-Density DMS-60 Breakout PCB

Job Title: PCB Design: High-Density DMS-60 (4x15 Straight Matrix, 1.27mm Pitch) to Standard 2.54mm Breakout Board Job Description & Scope of Work: We are lookin...

HL-40523035

builder base

This book should be a robotics and innovation curriculum guide for students in Classes 7 to 10. It should show how students move step by step from basic electro...

HL-40522365

Custom Multi Layer PCB Layout

I need a seasoned PCB designer to turn my schematic into a reliable, production-ready multi-layer board for an industrial equipment project. The board is a cust...

HL-40522252

Integrated Portable CD Player System

I need a system of 5 high-quality portable CD players wired to work together, powered by a single source. Requirements: - Controller board with LCD screen - Pla...

HL-40521721

Security Tender AI Workflow

I need a repeatable, end-to-end AI workflow that speeds up electronic security estimating. Every week I receive full tender packs: the scope drawings and specif...

HL-40521788

RF Locator Firmware Development (nRF52840 & SX1262)

# Embedded Firmware Developer Needed for RF Locator Device We are looking for an experienced Embedded Firmware Engineer to develop firmware for an nRF52840 & SX...

HL-40521790

E-Ink Flashcard Device Prototype

I am building a pocket-sized flashcard companion that feels as distraction-free as paper yet draws its content from my iPhone. The core of the unit will be an E...

HL-40513967

RP2040 Near-IR Camera Algorithm

I need firmware and image-processing code that runs on an RP2040 board and turns a standard camera module into a near-infra-red viewer. The goal is simple: bloc...

HL-40521364

SKM Arc Flash Study Assistance

This is my first SKM project for an Arc Flash Study. The electrical system is relatively small and consists of 5 buses. I have completed the one-line diagram an...

HL-40519107

Switch Sensor PCB Design + full build

Please note this is not just a PCB design task, I need a complete implemented solution I need a compact, ultra-low-power PCB that can read a group of simple slo...

HL-40521296

Modernizing the Menu System of a Custom FlySky FS-i6 Firmware

I'm looking for an experienced developer to modernize the menu system of a custom firmware running on a FlySky FS-i6 transmitter. The Task: Modernize and redesi...

HL-40521131

Automotive ESP32-S3 PCB Design

PCB Designer Needed – Ultra-Compact Automotive/Motorcycle BLE Control Board I'm seeking an experienced PCB designer to develop an ultra-compact, production-read...

HL-40521134

Semi-Automated Line PLC Design - On Site, New Jersey

I need an experienced controls engineer who can design and implement an Allen-Bradley PLC-based control system for a semi-automated production line at our New J...

HL-40521156

2.4 GHz RF Amplifier PCB Design

I need an RF power-amplifier stage built around the Qorvo TQP7M103 that is perfectly matched to 50 Ω at both ports and centered at 2.4 GHz. All work must be car...

HL-40520774

Stage 4 Electrical Design

I need a comprehensive technical design for electrical systems at stage 4. The design should incorporate: - Lighting systems - Power distribution - HVAC control...

HL-40520317

KiCad Vehicle PCB Layout Verification and pcb design

I have already completed the schematic and compiled a detailed BOM for a universal vehicle body control unit. All functional requirements and mechanical dimensi...

HL-40520339

PCB Creation for LED Collimator System

Project Title: LED Collimator PCB Design for Existing Circuit Schematic Project Description: We are looking for an experienced PCB Design Engineer to design a P...

HL-40520373

Multi-Output Medical Device PCB Design

Medical Device Power Supply PCB Design Project Description I am looking for an experienced PCB designer to develop a reliable multi-output power supply PCB for...

HL-40520378

Optimize ESP32 Telegram Motor Control

I already have an ESP32 dev board toggling a 2-channel, low-level-trigger 5 V relay through a Telegram bot. The basic sketch is functional, but I want it tighte...

HL-40520271

Intermediate Schematic Diagram Creation

I need an intermediate-detail schematic diagram that cleanly shows how resistors, capacitors, microcontrollers, and the power-supply section interconnect. The d...

HL-40519836

智能设备 PCB 设计合作

我正在寻找一位熟悉智能穿戴设备和 AI 智能设备两类产品的 PCB 设计工程师，建立长期合作关系。项目目前没有硬性时间限制，我更注重方案的质量与可落地性。工作要点 • 依...

HL-40519962

PIC Bootloader Development

I'm looking for an experienced firmware engineer to develop a bootloader for a PIC microcontroller. I need help with microchip harmony toolchain, full source pi...

HL-40519010

4-layer PCB Design and Simulation

Please start your proposal with the phrase 'Hardware Is Hard' so I know you read the full scope. Also, you must attach 2-3 screenshots of your own manufactured...

HL-40518865

Design Electronic circuit

More details: What is the primary purpose of the electronic circuit? Signal processing What type of signal will the circuit process? Digital What specific funct...

HL-40518882

Repair Faulty Mechanical Actuator

I need help diagnosing and fixing a mechanical issue in one of our actuators. The problem has been narrowed down to a specific component failure inside the unit...

HL-40518782

[SMC004] EasyEDA Schematic Review

We are looking for an experienced electronics engineer to review the EasyEDA schematic of our custom Noise Sensor. The work includes validating component select...

HL-40518636

Airport ibwave DAS Design (4G)

I am rolling out a dedicated 4G Distributed Antenna System/In-Building Solution for an international airport and need a seasoned iBwave specialist to turn our r...

HL-40518411

Prototipo Dispositivo Elettronico Wi-Fi

Ho un’idea per un prodotto elettronico consumer che non esiste ancora sul mercato e voglio portarlo fino alla fase di produzione. Il requisito chiave è la conne...

HL-40518445

Wearable Fainting Prediction Bracelet Development

Project Summary: Predictive Fainting Detection Bracelet I am developing a wearable bracelet designed to monitor physiological signals and provide an early warni...

HL-40518302

STM32 IoT Data Logger Firmware

I need production-ready firmware for a battery-powered 4 G IoT data logger built around an STM32 MCU and a SIM7600 modem. The device accepts both 4–20 mA analog...

HL-40518137

Innovative Smart Switch IoT Home Automation -- 2

Reimagining Home Automation with IoT-Powered Smart Switch Technology Excited to share our innovative Smart Switch Automation System, designed to bring convenien...

HL-40518223

Timed LED Switching Circuit Design

I need a timed switching circuit that activates upon a successful payment signal from a card payment reader. This system should be capable of turning one LED li...