Electronics projects — HireLancer archive

ID / Date Listing

ESP32-CAM Custom PCB & Enclosure Design

Hardware Engineer: Custom ESP32-CAM PCB & Enclosure Design (DFM & Mass Production) Project Overview I have a validated IoT prototype based on the AI-Thinker ESP...

HL-40123219

KiCad PCB for DSP Prototype

The complete schematic for my digital-audio signal-processor prototype is ready; now I need it turned into a set of production-ready PCBs in KiCad. There will b...

HL-40122923

Flipper Zero Module PCB Design

I have a small Flipper Zero add-on already running happily on a breadboard, captured in KiCad as a single-sheet schematic with roughly fifteen surface-mount par...

HL-40122883

Device Disassembly & Current Mapping

I have a compact electronic gadget roughly the size of a modern smartphone. For component-testing purposes, I need it taken apart methodically, each part docume...

HL-40122420

Quartus 64-bit Logic Assistance

I have already drafted a full set of requirements for a digital logic system and wrapped everything into a single reference file. The core of the assignment is...

HL-40121374

ESP32 Bluetooth Power Framework -- 2

I’m building a product around an ESP32 and I need a compact, reusable framework that handles two things flawlessly: complete Bluetooth support—both BLE and Clas...

HL-40121026

FlexRay Transparent Gateway Firmware -- 4

I have a FlexRay development board built around the SPC560P50L3 MCU and I need it turned into a transparent gateway that primarily lets me monitor live communic...

HL-40120747

Digital Art and Design

I need a digital-only control circuit taken from concept through a production-ready schematic. The task sits firmly in the circuit-design branch of electrical e...

HL-40120269

Consumer Electronics Prototype Engineer

I need an experienced electronics engineer to help develop a consumer electronics prototype. The project is at the early prototype stage with industrial design...

HL-40120152

60% Keyboard PCB

I’m putting together a custom 60 % mechanical keyboard and need a complete PCB schematic that brings a premium feature-set together in one tight design. Core re...

HL-40119765

ESP32-Tuya WiFi Webasto Controller

I need firmware and wiring guidance that lets an ESP32 with Wi-Fi speak Tuya so I can switch my Webasto water heater on and off from the Tuya Smart-Life app. Co...

HL-40119189

Convert Biogas to Home Electricity

I already run a fixed-dome biogas digester at home and now want to put that gas to work by powering the house itself. The goal is a practical, safe, and efficie...

HL-40119129

Siemens HMI & S7-Graph Programmierung

Ich habe einen fertigen Grafcet als digitales Bild und 2 Bilder vom HMI als Vorlage vorliegen und möchte daraus ein komplettes Automatisierungsprojekt in TIA Po...

HL-40117835

Steam Bath Controller Programming

I need a compact control circuit for a steam-bath machine and I want it fully programmed and ready to drop into the enclosure. The heart of the job is reliable...

HL-40117910

PC Motherboard Schematic Designer

I need electrical design engineer who can dive into components datasheet. You should be well versed to review large designs spanning across 400-500 pages. You w...

HL-40117650

Firmware Development for Automatic Key Cutting Machine

I need firmware developed for an automatic key cutting machine. The firmware will control the depth and spacing movements of stepper motors for key cutting. Req...

HL-40117664

Custom 18650 Battery Charger

I need a custom lithium-ion battery charger for an 18650 battery. Requirements: - Charger type: Desktop - Charging current: 2A Ideal skills and experience: - Ex...

HL-40117417

Custom Poker Chip Trading Card

I'm looking for a talented designer to create a custom trading card with an embedded poker chip. This card is intended as a collectible item. Requirements: - Th...

HL-40117405

Integrated Health Cam Device

I’m putting together a proof-of-concept that fuses a cardiorespiratory and pulse-oximeter module with a video camera, speaker and microphone—all inside a single...

HL-40117133

Custom 100x100mm PCB Design

I already have a complete, verified schematic and now need it translated into a production-ready PCB that will live in an industrial environment. The board must...

HL-40116600

Arduino-Controlled LED Pedalboard Setup (UK/London only please)

Arduino-Controlled LED Pedalboard Setup (UK only) Overview: I'm working on an LED lighting project for a guitar pedalboard using an Arduino controller. I need h...

HL-40115909

Custom STM32 Firmware Development

I am building a custom STM32-based embedded device: an electronic level with an integrated timer, OLED display, RGB LEDs, buzzer, and battery power. The hardwar...

HL-40115718

DMX512 Integration for LED System

Project: Add DMX512 output to existing MicroPython LED animation system Modify existing code Current System: Pyboard v1.0 running MicroPython Controls 24 channe...

HL-40115733

Expert FPGA/SDR Engineer for ADRV9009+ZC706 System

FPGA + SDR (ADRV9009) System Development – ZC706 Platform Project Description We are looking for an experienced FPGA / SDR engineer to develop a complete ADRV90...

HL-40114969

Lead mechatronics Engineer - AI Smart Fitness & Rehab Machine (Prototype)

We are developing next-generation AI-driven smart exercise machines designed for home users, commercial gyms, and rehabilitation settings. This is a hands-on LE...

HL-40113965

EV Wireless Charging System Diagram

I’m preparing documentation for an electric-vehicle wireless charging concept and need a clear Visio block diagram that focuses on the control circuitry. The dr...

HL-40113983

Compact ESP32 & SIM868 PCB Design

I need a production-ready CAD layout for a single, ultra-compact PCB that merges two existing boards into one tidy footprint. The board’s primary role is data c...

HL-40113801

Disco Button Integration

I'm looking for a skilled developer to create a disco button interface using a Raspberry Pi. The button will be used to perform three main functions: kill the h...

HL-40113654

Siprotec 5 7VU85 Control Setup

I have a Siemens Siprotec 5 7VU85 that must take full control of seven circuit breakers on our switchboard. The relay’s job is strictly control-oriented: it has...

HL-40113376

EV Wireless Charging System Development

I have drafted the functional blocks for an EV wireless charging system and now need the complete electronic circuit drawn in Microsoft Visio. The diagram must...

HL-40113103

Pet Health Tracker Development

Hiring: Hardware Engineer / Product Designer Universal Dog Health & GPS Tracker (Prototype → MVP) Project Overview We are building a universal dog health monito...

HL-40113127

Outdoor CO₂ & Audio PCBA

I want to create a PCBA contains ESP32-C3-Mini, SCD41, INMP441, JST-PH 2Pin port serves as the Solar/Charger Input. The port leads directly to LiFePO4 charging...

HL-40112804

KiCad Speaker Crossover PCBs

I need five through-hole passive audio boards laid out in KiCad: two crossover networks and three attenuation modules. The crossover boards must host inductors,...

HL-40112577

Biotech Device CAD & Electronics

I’m kicking off the first stage of a small, proof-of-concept biotech tester that fits everything on a single PCB and slips into a compact enclosure. The immedia...

HL-40112263

MedTech Startup Co-Founder Wanted

Hiring Co-Founder (Hardware + Software | MedTech Startup) Location: Udaipur, Rajasthan Type: Co-Founder / Equity-Based Role We are a MedTech & IoT-focused techn...

HL-40111872

Arduino ESP32 AI Voice Integration

My app is already sitting on GitHub and its core logic works, but the bridge to the Arduino ESP32 needs to be finalised. I want the mobile-side code and the ESP...

HL-40111148

Digital Control Circuit Design

I need a digital-only control circuit taken from concept through a production-ready schematic. The task sits firmly in the circuit-design branch of electrical e...

HL-40111626

STM32 Firmware Development & Optimization

Project Description I am working on a high-speed data logging proof-of-concept using STM32H723VGT6 / STM32H743VIT6. The current firmware already achieves ~100 M...

HL-40111466

Bluetooth-Enabled Locking Phone Box

I want to turn my concept of a lockable iPhone box into a working hardware prototype. The unit should open like a book, formed in durable hard plastic, and clos...

HL-40111487

PCB Design Needed: Miniature Medical Wearable (Nordic nRF52840 + TI ADS1293)

Project Overview We are looking for an experienced Electronics Design Engineer to develop the PCBA for a compact medical wearable device. The project involves d...