Electronics projects — HireLancer archive

ID / Date Listing

Uneven Amplitude Excitation Microstrip Feed

I want to design a high gain antenna. Even amplitude excitation leads to side lobe levels no better than -13.26 dB. I want uneven amplitude excitation using che...

HL-40491171

ESP32 Industrial PCB Design Review

ESP32 controller impedance matching multilayer design signal integrity analog signal design buck converter 24VDC input supply 5V and 3.3V power rails Relay outp...

HL-40491259

Lihue Commercial Electrical Permit

I’m upgrading the existing electrical panels and circuits in a small commercial space in Lihue, Kauai. Because this is an upgrade rather than a full new install...

HL-40491056

Development of plug-in boards

For an R&D platform based on the SAM E54 Xplained PRO, we would like to make several (starting with 6) plug-in boards. The boards should be placed on one of the...

HL-40490994

KICAD PCB Design for Radio

I'm seeking an experienced PCB designer to create a KICAD PCB design. Deliverables: This is a PCB Design coursework based on the STM3210E-EVAL reference design...

HL-40491019

DPR Augmentation plan

Our development team in Ahmedabad is moving into the next round of builds and I need clean, reliable power supply systems engineered from the ground up. The wor...

HL-40490903

USB Rechargeable Round Keychain Light

I’m developing a small, round key-chain light that charges via USB and emits a single, consistent beam. I already have the basic concept sketched out, but I nee...

HL-40490779

PCB Badge Redesign Based on Existing Gerber Files (Add New Shape, SIM Slot & LEDs)

We are looking for an experienced PCB designer to modify and redesign an existing PCB badge. We already have a working PCB badge design along with the Gerber fi...

HL-40490717

Field Engineer Needed for 5-Axis CNC Woodworking Machine Rebuild

Seeking an experienced field engineer to rebuild a 1997 heavy-duty 5-axis CNC woodworking machine. The hardware package will be provided, and the engineer will...

HL-40490667

Electrical Engineering Report Writer

I need a skilled technical writer who can turn raw electrical-engineering data, calculations, and design notes into clear, professionally structured engineering...

HL-40490660

Promote My Electrical Engineering Career

I have just completed my Electrical Engineering degree and I’m eager to let the world know what I can do, but I’m stuck on where and how to start. Social media...

HL-40490537

STM32H743 DAQ Module Development

I need an experienced embedded developer to build the firmware modules that will turn an STM32H743 board into a reliable, high-speed data-acquisition unit. The...

HL-40490071

Residential Electrical Design Blueprint

I’m ready to move from architectural drawings to a fully engineered electrical plan for my entire house. The goal is a complete, permit-ready package that meets...

HL-40489964

Industrial Automation Specialist

I'm seeking an experienced professional in industrial automation to streamline our processes. Key focus areas include: - Process, Manufacturing, or Quality Cont...

HL-40490029

Analog Control PCB Design

I need an analog circuit designed from the ground up and then laid out on a production-ready PCB for a consumer-electronics product. The finished board must ope...

HL-40489943

LTSpice Simulation Assistance Needed

I am looking for LTSpice expert who can deliver simulation result per project. It is not one time project and if you are good candidate, we can cooperate for a...

HL-40489102

Smartwatch PCB for Sleep Monitoring

I need a compact, low-power PCB that turns my smartwatch concept into a reliable health-monitoring device focused on tracking sleep patterns. The board will hos...

HL-40488944

Compact Control Panel PCB Design

I have already worked out the detailed mechanical layout for a very small control panel that sits inside a tubular enclosure. At its heart are two single-pole,...

HL-40488351

Review My Circuit Schematic - Simple battery balancer

note: this is MCU controlled at 3.3V, the controller is for both a single 12v gel battery or 1x 24V or 2x 12V gel batteries for 24V, the charge amps should not...

HL-40488037

PCB Design for Mobile Charger

I need a PCB design for a mobile charger with the following specifications: - Fast charging capability - Universal compatibility - Compact and rectangular shape...

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Annular ESP32 PCB Design

I’m building a two-layer, donut-shaped PCB around ESP32-WROOM-32U. The outer diameter must not exceed 92 mm, the inner cut-out must remain at least 54 mm, leavi...

HL-40487894

Custom RFID Sensing Hardware Development

RFID Hardware Product Development (NDA Required) We are looking for an experienced Hardware Engineer / RFID Specialist to design and develop a custom RFID-based...

HL-40487539

家庭用对话小型机器人

我正在启动一款面向家庭环境的小型机器人项目，目前处于“初步需求”阶段，核心目标是让它能够自然地对话与陪伴家人。机器人需要具备稳定的语音识别能力，并在接收到指令后以...

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Classic Fitness-Tracking Digital Watch

I want to create a clean, classic-looking digital watch that quietly packs solid fitness features behind a minimal façade. The styling should stay timeless—thin...

HL-40486810

Beginner PLC Questions on LJ Create

I need help with 10 beginner-level PLC questions using LJ Create PLC platform. The questions focus on Programmable Logic Controllers and involve Input/Output mo...

HL-40486543

Custom Country-Shaped PCB Redesign

I already have working Arduino- and ESP32-based boards; what I need now is a reshape of the boards to a custom shape and should have little effect on the traces...

HL-40486127

Build a 4G GPS Tracker for School Project

I am looking for an electrical engineer to design and build a functional 4G GPS tracker. The deliverables should include both the design documentation (schemati...

HL-40485444

FMCW Radar-Based Terrain Following Sensor for Agricultural Drones

Project Overview We are looking for an experienced Radar Engineer / Embedded Systems Engineer / RF Design to develop a compact FMCW radar sensor for agricultura...

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Portable Multimodal Analyzer PCB Design - 02/06/2026 02:35 EDT

We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...

HL-40485329

Portable Soldering Iron Prototype

I'm looking to create a prototype for a portable soldering iron specifically designed for electronics repair. The ideal candidate should have experience in prod...

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ESP32-C6 Dual CAN Carrier Board Design

I need a complete hardware design for an ESP32-C6 Dual CAN carrier board that will sit at the heart of a new communication device. The board must do three thing...

HL-40484752

Metal Radio Prototype Development

I need a physical product model for a radio. The prototype should be made of metal and include functional components. Requirements: - Create a physical model of...

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ESP32-C6 Dual CAN Board Design

I need a complete hardware design for an ESP32-C6 Dual CAN carrier board that will sit at the heart of a new communication device. The board must do three thing...

HL-40484560

Custom Automotive LED Light Strip Prototype

Only verified and USA based freelancers : Looking for Prototype Builder – Custom Automotive LED Light Strip Project: Custom Automotive LED Light Strip Prototype...

HL-40484410

Custom Jukebox Controller PCB Design

Project Title: Design a Custom Jukebox Controller PCB (Drop-In Replacement) Project Overview I am developing a modern Linux-based digital jukebox platform and r...

HL-40484425

3.3 V-to-6 V Pulse Converter

I’m running a Teensy 4.1 that delivers a 0 – 3.3 V square wave at 80 kHz. For my signal-transmission stage I must boost that logic-level waveform to a clean +6...

HL-40484170

Automotive LED Light Strip Prototype Needed

Looking for Prototype Builder – Custom Automotive LED Light Strip Project: Custom Automotive LED Light Strip Prototype I'm seeking an experienced electronics en...

HL-40484169

Vintage Text Logo Design

I’m about to launch a new clothing brand and I need a logo that captures a timeless, vintage feel using text only—no symbols or icons. Picture classic denim lab...

HL-40483978

Portable Multimodal Analyzer PCB Design

We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...

HL-40483807

KiCad v10.0 Schematic Creation from PDF -- 2

This task is for generating a KiCad v10.0 schematic from a given PDF. And if someone wants to also generate the pcb layout for it is welcome but the budget is v...