Electronics projects — HireLancer archive

ID / Date Listing

Firmware Development for Transformer‑Based Li‑ion Home UPS (Renesas RL78 or STM32G081)

Project Title: Firmware Development for Transformer‑Based Li‑ion UPS (Renesas RL78 or STM32G081) Description: We are developing a transformer‑based inbuilt Li‑i...

HL-40415077

Sensor-Driven Pattern Marker Prototype

Job Title: Mechanical Prototype Engineer – Marker Dispensing Mechanism (Patent-Pending System) Project Overview I am seeking a mechanical engineer, product desi...

HL-40414915

PLC-SCADA Integration for Monitoring -- 2

I have a running PLC setup that now needs to speak fluently with our SCADA layer so we can capture live plant data and visualize it in real time. The focus here...

HL-40414903

Advanced Smart Irrigation System Development - 03/05/2026 01:42 EDT

⸻ ! Project Title: Smart Irrigation System *Bullet Points: * Developed an automated irrigation system using soil moisture sensors * Used Arduino for hardware co...

HL-40414940

Advanced Smart Irrigation System Development - 03/05/2026 02:01 EDT

⸻ ! Project Title: Smart Irrigation System *Bullet Points: * Developed an automated irrigation system using soil moisture sensors * Used Arduino for hardware co...

HL-40414371

Volumetric Display Controller Creation

FPGA-Based Real-Time Laser Plasma Volumetric Display Controller Overview: I'm building a volumetric holographic display system using laser-excited plasma. The c...

HL-40414377

Volumetric Display Controller Creation -- 2

FPGA-Based Real-Time Laser Plasma Volumetric Display Controller Overview: I'm building a volumetric holographic display system using laser-excited plasma. The c...

HL-40414328

DC-AC Converter for Renewables

I’m building out a renewable-energy platform and need a purpose-built DC to AC conversion stage. The goal is a reliable, high-efficiency inverter that can take...

HL-40414238

STM32 UPS Firmware Development

The power stage of my transformer-based Li-ion home UPS is already proven in the lab—what I still need is the brains. I’m looking for a seasoned embedded develo...

HL-40414101

BeagleBone Firmware & Kernel Expert -- 2

I need an engineer who feels at home on a BeagleBone board and deep inside the Linux kernel. The immediate goal is to create and fine-tune the firmware that dri...

HL-40413914

RK3399 UI & Connectivity Programming

A custom machine that will centre on the Rockchip RK3399—or a comparable ARM SoC if you can justify the switch. I need one person who can guide the last hardwar...

HL-40414005

CMOS Hybrid Adder Architecture Analysis

This project centres on a high-speed hybrid full adder implemented in pure CMOS. The heart of the work is architectural: I need to see how different logic style...

HL-40413693

Embedded Smartwatch Prototype Developer

I’m building an early-stage smartwatch and need a hands-on embedded systems programmer who can also think like a product engineer. The immediate goal is a funct...

HL-40413724

EPLAN Power Distribution Schematics Design

I need a skilled E-Plan engineer to take my single-line concept and turn it into a complete set of electrical schematics for a power-distribution system. The wo...

HL-40413505

FPGA Power Conversion Consultation

I’m working on an FPGA-based power-electronics design that performs direct AC-to-AC conversion, and I’d like an experienced set of eyes on the project. Rather t...

HL-40413169

Develop STQC-Standard 5MP IP Camera

**Title:** Design & Develop STQC-Compliant 5MP IP Camera (Non-Chinese Chipset Preferred) **Description:** We are developing a **5MP IP Camera** for the Indian m...

HL-40413035

Quick Small PCB Design by Engineer

Looking for an electronic engineer that is very good with PCB to build a signal amplifier board for me. I already have the circuit. I just need them to create t...

HL-40412763

Wireless VR Gorilla Toy

I’m building a “Gorilla Tag” monkey that behaves just like the in-game avatar when I hold two Meta Quest-style wireless controllers. The right-hand controller m...

HL-40412546

BeagleBone Firmware & Kernel Expert

I need an engineer who feels at home on a BeagleBone board and deep inside the Linux kernel. The immediate goal is to create and fine-tune the firmware that dri...

HL-40412449

RFID Dispenser Prototype Upgrade

I’ve built an early-stage food cart concept and now need the automatic dustbin I’m using as a mock dispenser to respond to an RFID wristband instead of its fact...

HL-40412394

Mechanical/Electrical Engineer Needed – Replaceable LED Hardscape (Ledge Light) Design (Low Voltage)

I’m building a low-voltage hardscape “ledge” light that a homeowner or contractor can service in the field without disturbing the stone cap. The under-cap fixtu...

HL-40412340

Styrax PLC HVAC

Our factory’s HVAC automation runs on a Styrax Instruments PLC / controller network, and I’m ready to fine-tune it before full hand-over. The architecture is al...

HL-40412158

PLC Ladder Program Development

I need a PLC ladder program to control a manufacturing process. Ideal skills and experience: - Proficiency in PLC programming - Experience with manufacturing pr...

HL-40412198

Air-Gapped Crypto Wallet Integration

Senior Hardware Engineer – Air-Gapped Crypto Wallet Company: Cold Crypt Location: Remote (initially) → Tampa, Florida (hybrid/in-office after initial phase) Typ...

HL-40412098

J2534 PassThru Hardware from LPC to a Lower‑Cost MCU + New PCB (Same Released Windows Tooling)

Analyze the existing LPC-based device firmware/behavior (authorized reverse engineering / porting) and rebuild it on a lower-cost MCU (ESP/STM class) with a new...

HL-40411504

Solar Panel Cleaning mechanism for Rooftop

Solar Panel Cleaning Robot Prototype Development We are developing an automated rooftop solar panel cleaning mechanism and need an experienced freelancer/team f...

HL-40411294

Arduino-Based Tank Stabilization System

I want a project to be made based on Arduino Mega 2560. There are 6 tanks on each side of the centreline; the arrangement of tanks is attached herewith. The 4 t...

HL-40410992

Compact BLDC Power Board Design

I need a skilled BLDC control engineer to design a single, space-saving PCB that combines four key blocks: • A BLDC motor controller focused on Power Delivery w...

HL-40411013

Embedded Filter Life Indicator Design

I’m building a consumer-grade device that relies on a disposable filter, and I need an embedded electronics design that reliably tells users when that filter ha...

HL-40410624

Solder Lithium Batteries Into 15 E-Cigs

I have fifteen first-generation “cigalike” e-cigarettes that still work electronically but their original cells no longer hold a charge. I’ve sourced the exact...

HL-40410126

Engineer for PFI School Projects

I'm seeking a mechanical and electrical engineer to support the Department of Education on PFI projects for operational schools. Your role will involve maintena...

HL-40409678

Expert IoT Firmware and Embedded Engineer

Embedded Systems & IoT Firmware Engineer Executive Summary: Highly skilled Embedded Systems Engineer with extensive experience in the full product development l...

HL-40409690

90-Minute Physics Exam Assistance

I will be sitting a 90-minute online physics exam on basic circuit analysis and need real-time help during the session. Once the test opens, I’ll forward each p...

HL-40409392

Op-Amp Temperature Sensing Circuit Design

I would like to explain my project . The project is about designing a temperature sensing circuit using an operational amplifier (Op-Amp) without using any micr...

HL-40409173

Discrete Logic Safety Interlock Board — PCB Design & Prototype

We are seeking an experienced US-based electronics designer to design, fabricate, and test a prototype PCB for a safety-critical interlock device. This is a wel...

HL-40409268

Smart Mould Risk Detector Prototype

I am assembling a proof-of-concept device that spots mould risks before they become a problem. The core is an ESP32 with Wi-Fi, a BME280 for temperature and hum...

HL-40409283

SMART BMI ESP32-WROOM-32E

Have a working circuit diagram for a device based on the ESP32-WROOM-32E . The system is powered from an external supply (5V / 8V / 12V). The next step is to co...

HL-40408814

Custom Designed Allen Bradley Robotic Application

I am looking for a custom robotic application to be developed using Allen Bradley hardware (Control Logix and 5500 servo drives, Panelview HMIs, I/O Link device...

HL-40408733

Altium 2-Layer Industrial Control PCB

I need a compact two-layer PCB laid out in Altium Designer for an industrial-control product. The schematic is ready and centres on a microcontroller that must...

HL-40408445

Real-Time B-H Loop Visualizer

I need a complete, bench-ready setup that lets me watch a ferromagnetic core trace its B-H hysteresis loop live on an oscilloscope screen. All measurements will...