Electronics projects — HireLancer archive

ID / Date Listing

Compact Reusable Camera Engine Development

We are developing a compact, reusable camera engine (the CVE) for use across multiple applications. The CVE is a two-board stacked module that interfaces with a...

HL-40337226

Krell 250 Amp Clone

I need an expert to clone the Krell 250 amplifier, focusing on: Audio Quality Replication: - Signal-to-noise ratio - Total harmonic distortion - Overall sound q...

HL-40336043

Siemens PLC Design + IEC Symbols

I’m building out a new Siemens-based PLC project and need a complete, ready-to-use IEC 60617-compliant CAD symbol library to finish the design phase. Your task...

HL-40336819

PCB IC & Microcontroller Replacement Update

I have a PCB design that now needs a round of component swaps—specifically the main microcontroller. All other aspects of the board stay the same; I only need t...

HL-40336693

PCB Replication for up to 7 Boards for lost Gerber and Bill of Materials

This is for US or Canada designers ONLY. If you are not in the US or Canada please don't reply. I am not interested in working outside North America. We will do...

HL-40335549

Menganalisa Alat Elektronika

Saya membutuhkan bantuan untuk menganalisis sebuah alat kontrol dan menghasilkan dokumentasi lengkap dalam bentuk digital saja. Fokusnya pada desain, bukan pemb...

HL-40336297

RF Circuitry for PVC Welders

I need an experienced RF designer to create the core high-frequency circuit that drives a PVC welding machine. The target system already has its mechanical and...

HL-40336327

Crossover Design Specialist

I need a skilled designer to develop a crossover for an audio system. Ideal Candidates Should Have: - Expertise in audio engineering - Experience with crossover...

HL-40335831

Expertise in 3D CAD and MATLAB Simulink Simulation

I am looking for a freelancer with expertise in 3D CAD design and MATLAB Simulink simulation. The task involves creating detailed 3D models and performing simul...

HL-40335760

VaAmi the communication device

I have sketched out Vaami—an elegant, pocket-sized gadget that lets people exchange full voice and text messages anywhere, even across countries, without a smar...

HL-40335602

DC Motor Control Circuit Prototype

I’m building an industrial‐grade DC motor controller and need a complete electronics solution that goes from schematic to a fully tested, working prototype I ca...

HL-40334967

Wearable Drug-Detection Garment Prototype

I’m developing a graduate-level research project that merges smart textiles with security screening: an item of electronic clothing able to detect concealed dru...

HL-40334897

Digital Logic Lab Assistance

I’m looking for a seasoned digital-logic professional who can step into my lab workflow, quickly understand the design challenges on my bench, and guide me from...

HL-40334706

Double-Layer PCB Design Needed

I am looking for an experienced PCB Designer/Hardware Engineer to design a custom power management board for a BLDC fan system with integrated battery backup. K...

HL-40334510

Piezoelectric Prototype Assembly from Existing Components-URGENT – Assembly & Fabrication Required (Victoria, BC, Canada – Local Only Preferred)

Project Title Piezoelectric Energy Harvesting Circuit – Prototype Assembly (Using Provided Components) Project Description Project related to piezoelectric wind...

HL-40334572

Bluetooth Support for Industrial Gauge

Need to add support to a rugged gauge computer so it can process measurements coming from Bluetooth-enabled calipers, micrometers, dial indicators and similar t...

HL-40334012

Analog Electronics Educational Lab project

I want a freelancer to do a project for an Analog Electronics Lab. I need it by the 1st of April.

HL-40333819

Automated Cappuccino Vending Kiosk Design

Here is a condensed engineering summary (~10,000 characters) of your ultra-detailed C.O.A.K COFFEE vending kiosk dossier, keeping it technical and production-re...

HL-40333747

Modular Pizza Vending Machine Design

I am building an autonomous pizza vending machine that can both store chilled pies and bake them to order before dispensing. The concept is modular, scaling fro...

HL-40333458

Residential Grid-Hybrid Inverter Design

I need a full engineering design for a residential-scale hybrid inverter that can seamlessly switch between my rooftop solar array, a lithium battery bank and t...

HL-40333304

DWIN 7″ Display Arduino Demo

I have a 7-inch DWIN HMI panel connected to an Arduino Mega and I need a compact sketch that proves the screen, the touch interface and basic UI widgets all wor...

HL-40333162

PCB Design for Ultra-Compact Wearable Posture Coach (nRF54L15 + LSM6DSO + Haptics) - 28/03/2026 23:07 EDT

I'm developing a compact wearable posture coach device that sticks to the upper back/neck area to detect poor posture and provide real-time haptic feedback. The...

HL-40333031

Finalize Thermal Printer Integration

I already run an Android-based online ordering app and the supplier of our new thermal printer has completed most of the integration work. What’s left is the fi...

HL-40332968

Altium Schematic & Modifications Needed

I have a new product in the works and need the Altium schematic polished so it is ready for a smooth hand-off to PCB layout and manufacturing. Even though this...

HL-40332661

Control de relés Arduino OLED

Busco un sketch de Arduino que me permita manejar cinco o más relés desde botones físicos y mostrar el estado de cada canal en un display OLED. Qué necesito exa...

HL-40332377

Wafer-Level Automotive IC Packaging

I need a complete wafer-level packaging approach tailored for an automotive electronics device where high reliability is the overriding priority. The goal is to...

HL-40331984

Raspberry Pi IoT Remote Monitoring

I’m building an IoT solution around a Raspberry Pi that can stream real-time data from a small lab here in Jaipur to a web or mobile dashboard for secure remote...

HL-40331755

ESP32 Prototype PCB

a simple easy project The board is ready on Bread board and i want to print a PCB in a good way, but i need help. I have done the Schematic on EasyEDA Component...

HL-40331683

Wireless Temple Audio Broadcast -- 2

I need a complete, practical system that carries live chanting and prayers from our temple and plays them through a roadside speaker roughly 5 km away. The audi...

HL-40331612

Educational KiCad PCB Design

I’m putting together a small learning module and need a KiCad-based PCB laid out to illustrate best practices to my students. The board will sit at an intermedi...

HL-40331573

Automated Delayed Noise Replayer

I need a self-contained system that can sit outdoors, listen specifically for my neighbours’ voices or shouting, and—only when they hit 55 dB or above—capture t...

HL-40330767

AI-Powered VHF/UHF Receiver Upgrade

I need help transforming an off-the-shelf receiver—whichever model you feel is most practical—into a unit that can: • listen to the entire 136 – 175 MHz VHF ran...

HL-40330771

Clinical ECG ESP32 Development

**Title:** Embedded Hardware & Firmware Engineer for ECG Device (ESP32, BLE, PCB Design) --- **Project Description:** We are developing a portable multi-lead EC...

HL-40330565

Robotics Vision Calibration Expert Needed

Our pick-and-place prototype is running well mechanically, but its accuracy now depends on precise vision alignment. An Intel RealSense RGB-D camera is mounted...

HL-40330353

Autonomous AI-Enhanced Drone System Design

Concept: Instead of 1 drone flying 8 hrs: Build system of: • 3–5 drones • Auto battery swapping station • Charging dock Result: • Continuous 6–8 hours operation...

HL-40329810

Invert Sensor Logic & Optimize Code

I’m working on an Arduino Portenta C33 setup that uses an infrared sensor whose output sits HIGH when idle and drops LOW when it detects an object. Your first t...

HL-40329674

Malaysian Engineer Recruitment Specialist Needed

Description: I'm looking for an experienced freelance recruiter or headhunter who can help me find Malaysian engineers with expertise in motherboard design and...

HL-40329261

Railway Safety Engineer for Hardware Analysis -- 2

Contract Functional Safety Engineer – FMEDA / FTA / IEC 61508 SIL3 / Railway Seeking an experienced contractor to complete FMEDA, FTA, and hardware safety analy...

HL-40328560

PLC and VFD Automation

I need to integrate a Yaskawa GA500 Variable Frequency Drive (VFD) with a Siemens S7-1200 PLC to automate pump control using the Modbus protocol. Key requiremen...

HL-40328450

GSM-Based Residential Gas Safety Device Design

Request for Quote – Residential Gas Safety Device GSM-Only (SMS + Voice Calls) + Auto 220V Fan – No App, No WiFi Hi, I’m looking for a skilled embedded engineer...