Assembly Firmware For Microcontroller Prototype
I’m moving a new embedded concept from paper to proof-of-concept and I need lean, fast firmware written entirely in Assembly. The exact device is still open—we’...
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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...
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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...
Read moreFlipper 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...
Read moreDevice Disassembly & Current Mapping
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Read moreAutoCAD Industrial Electrical Schematics
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Read moreDigital Art and Design
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Read more60% 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...
Read moreESP32-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...
Read moreCustom VFFS Machine Build
I need a seasoned packaging-machine engineer to design and fabricate a purpose-built vertical form-fill-seal unit that can comfortably run granules and powders....
Read moreSteam 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...
Read morePC 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...
Read moreFirmware 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...
Read moreCustom 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...
Read moreIntegrated 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...
Read moreCustom 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...
Read moreNeed Motorized Gear Design and Enclosure
Mechanical Design Engineer Required – Compact Motorized Gear Assembly & Enclosure Design Project Description: We are looking for an experienced Mechanical Desig...
Read moreLead 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...
Read moreEV 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...
Read moreCompact 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...
Read morePet 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...
Read moreOutdoor 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...
Read moreKiCad 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,...
Read moreCustom Hunting Airgun Prototype
I need an experienced designer to take a clean-sheet idea for a hunting-grade airgun and turn it into a functional prototype I can field-test. The platform must...
Read moreDigital 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...
Read moreBluetooth-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...
Read moreSiemens S7-200 PLC Programming
I’m looking for a seasoned Siemens PLC specialist to take over programming duties on one of our S7-200 systems. The basic hardware is already in place; what I n...
Read moreDevice PCB Prototype Design
I need a hardware engineer who can take full ownership of the schematic capture, multilayer PCB layout and initial bring-up. The work covers analog, digital and...
Read moreTouch-Activated Servo Valve Devices
I need two identical, self-contained devices that sense a bare-skin tap through a capacitive touch sensor and, via an Arduino-based circuit, drive a pair of sma...
Read moreResidential Pool Equipment Layout
I’m preparing to build a rectangular backyard pool and I need a clear, build-ready equipment layout that shows every piece of hardware in the right place from d...
Read moreEmbedded Systems / PCB Engineer for Handheld Children’s Electronic Game (36-Button Device)
I am developing a children’s handheld electronic game device with illuminated buttons. I currently have a working Arduino-based prototype using off-the-shelf co...
Read moreMultilayer PCB Layout Creation
I already have a complete electronic schematic and now need it translated into a production-ready PCB layout. The board is for a compact consumer-electronics pr...
Read moreCompact USB-C PD Sink PCB
Project Scope Design a PCB that accepts three USB-C power-only inputs and provides one USB-C output. All USB-C connectors will be off-board and connected to the...
Read moreDelta PLC-Based Ozonation Water Treatment Automation
Project Title: Automation of Multi-Tank Ozonation & Water Treatment System using Delta PLCProject Overview: I am seeking a Industrial Automation Engineer to des...
Read moreBasic Calculator PCB Development
Hobbyist/Inventor seeks electronics engineer (or equivalent) to build a calculator prototype. Nothing fancy---a small and simple PCB with exposed components wou...
Read moreHome-Use 810 nm Laser Design
I am ready to commission the full engineering and product-development package for a compact, consumer-safe 810 nm diode-laser hair-removal handset. The unit mus...
Read moreYC3121 Thermal Printer Firmware Development -- 2
Title: Embedded Firmware Engineer - YC3121 Thermal Printer Development Description: We need an experienced embedded firmware engineer to develop thermal printer...
Read moreSenior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer
Senior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer Description: We require a senior embedded systems engineer to design, refine, and validat...
Read moreUSB Headphone Conversion Design
I already have access to a well-built analog headset; what’s missing is the electronics that will let it appear on any computer as a true USB-A device. I need t...
Read moreKiCad Schematic and PCB Designer
I'm seeking an experienced KiCad designer to create both schematics and PCB layouts for my project. I have some components and footprints, but will need advice...
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