CircuitMess Chatter Assembly & Firmware
I’m putting together the Circuit Mess Chatter kit and need an extra set of skilled hands and brains to see it through from bare PCB to fully-working, code-runni...
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ESP32-S3 Dev Kit PCB Urgent
I’m finalising a compact ESP32-S3 development board meant for full-scale manufacturing. The circuit is simple—one ESP32-S3 module, four momentary push buttons,...
Read moreIndustrial Wiring Diagram CAD
I need a clean, accurate wiring diagram for an industrial installation. The schematic will serve as the definitive reference for panel builders and maintenance...
Read moreCircular Motor Control PCB Design
The job is to design a 4-layer circular PCB that can deliver a steady 40 A at up to 60 V for a motor-control application. The layout will host a mix of through-...
Read moreCustom Inverter Design & Prototype
I need a complete inverter designed and taken through to a tested prototype. The scope starts with concept selection—choosing the most efficient topology for my...
Read more10 kV HV Supply Module Design
I’m building an air-purifier stage that needs a reliable 10 kV DC source and I want a complete, ready-to-build design package. The module has to integrate its o...
Read moreAdjustable 10 kV HV Supply
I’m running a series of lab experiments that call for a dedicated high-voltage source, so I need a self-contained module that can deliver a clean, adjustable 5...
Read moreT-Display S3 Footprint & Symbol
I’m putting the T-Display S3 AMOLED Plus module onto a new board and want clean, reusable library parts before layout begins. What I need are complete, error-fr...
Read moreT-Display S3 Footprint & Symbol PCB design
I’m putting the T-Display S3 AMOLED Plus module onto a new board and want clean, reusable library parts before layout begins. What I need are complete, error-fr...
Read moreBreath Analyzer PCB Design -- 2
I’m building a compact consumer-grade breath analyser and need a production-ready PCB that integrates the gas-sensing front end with Bluetooth connectivity and...
Read moreDebug USB2514B Hub PCB
My custom board built around the Microchip USB2514B-AEZC-TR powers up, yet Windows never shows it in Device Manager. Power rails look solid and with the oscillo...
Read more36V Motor Controller Verification
I’m ready to hand over the full schematic of my 36 V / 500 W brushed-motor controller so you can put it under the microscope. The design is built around three p...
Read moreCustom Hydraulic Circuit Design & Specs
I’m setting up a hydraulic system whose main job is to control fluid flow with precision, so I need a complete circuit designed from scratch. The build must inc...
Read moreResidential DB Design in WSCAD
I’m preparing a small residential installation and need a complete electrical distribution board drawn directly in WSCAD. I will supply a reference photo of the...
Read moreRedesign Raspberry Pi CM4 NAS Carrier Board
The new design must prioritize reliability, easy debugging, and manual assembly, using through-hole components wherever possible. Requirements: regulated 12V DC...
Read moreSSR 3-Phase Motor Control PCB
I need a production-ready board that can drive a three-phase motor forward and reverse through solid-state relays while safeguarding the system with reliable ov...
Read moreTWS Earbuds Prototype Build
I already have the full schematic and Gerber files for a new pair of true-wireless stereo (TWS) earbuds. What I now need is a turnkey, ready-to-manufacture prot...
Read moreKiCAD Library Cleanup & Update
I’m moving an already-finished GPSDO schematic into KiCAD and I’ve run into persistent library-linking errors. I am including a PDF of the schematic; the select...
Read moreMulti-Channel Short-Range RF Circuit
I have working breadboard prototypes that use the common 315 MHz and 433 MHz ASK modules to trigger an identical downstream PCB. They prove the concept, but two...
Read morePower Supply – Smart Buck Converter Controller
Goal : Create firmware for a digital controller of a buck DC-DC converter using ADC Feedback. Constraints: Output voltage setpoint: 3.3–12V Must implement PID c...
Read morePCB Design - IR LED Tracking Marker - Self contained
We are looking for an experienced electronics / PCB design engineer to design a self-contained IR LED tracking marker for a computer-vision system. The project...
Read moreCustom Matrix Keypad Module
This project involves the development of a compact, sealed, and intelligent keypad module designed for industrial automation environments. The system integrates...
Read moreESP32-C3 RS232 Bridge PCB
I need an experienced electronics engineer to design a compact, production-ready "Man-in-the-Middle" carrier board for the ESP32-C3-MINI-1-N4 module. The Goal:...
Read moreEasyEDA Schematic and PCB Modifications -- 2
Project Description: I have an existing EasyEDA project with files for both the schematic and PCB (EasyEDA files and PDFs). The scope of this project involves m...
Read moreDiseño de PCB para Juego Multi-jugador -- 2
Somos KAMEFU, empresa peruana dedicada al mundo recreativo, con un fuerte sentido de innovación y enfoque en experiencias presenciales memorables. Estamos busca...
Read moreWrist-Wearable Device Design & Production
Objective Design a wrist‑worn wearable device with the following hardware specifications. The freelancer will deliver schematics, PCB layout, enclosure design,...
Read moreGalaxy S22 Ultra CPU Reballing
My Galaxy S22 Ultra no longer powers on. I’ve already walked through the usual diagnostics—battery checks, cable swaps, button-combo resets—and even attempted m...
Read moreGlass Cleaning Robot
My goal is to build a palm-sized, battery-powered robot that cleans glass. When it finishes a run, it should locate its dock, couple for charging, and stay park...
Read moreHigh-Speed RF Mixed-Signal PCB Design
I’m ready to move a complex, high-speed RF and digital concept from pin-map to production, and I need a KiCad specialist who can take full ownership of the sche...
Read moreESP32 Expert for Sensor-Integrated PCB Design
I'm seeking an expert in ESP32, someone who has successfully designed and constructed a data-collecting PCB. This device will incorporate 4-5 sensors, such as t...
Read moreCarbon Fiber Massage Gun Sourcing
I need a fascia-gun style massager built to factory standard and ready for production. The core requirements are clear: • 24 V carbon-fiber specification with a...
Read moreLarge PCB Design for Radio Control System
Need a smart switch designed for 220v stove, using z-wave protocol to turn on and off switch. Have schematic for 110v version. We are moving from 110 to 220v so...
Read moreIndustrial Electrical Plan Drawing
I need a detailed electrical plan for an industrial project. The ideal freelancer should have: - Expertise in industrial electrical engineering - Proficiency in...
Read moreAutomotive 30 V UPS PCB Design
I need a PCB that will live in a vehicle and turn a 12 – 14.4 V battery feed into a stable 30 V rail, with enough stored energy to ride through engine cranking....
Read morePrototype PCB Layout Design
I need a PCB laid out strictly for prototype development. I already know the exact length and width the board must fit, and I’ll share those measurements as soo...
Read moreAI Engineer Need
We are seeking a skilled AI Engineer to serve as the technical communication bridge between our AI development team and international clients. This is a flexibl...
Read moreWearable Ring-Sized Smart Touchpad Design -- 2
I’d like to turn an idea I have into a working wearable: a ring-sized smart touchpad that behaves like a computer mouse. Picture a sleek band you slide onto you...
Read moreMulti-Layer Industrial PCB Design
I’m finalising an industrial-grade control module and now need a seasoned PCB engineer to turn my block-level diagram into a production-ready, multi-layer board...
Read more12V Circuit Board Design
I'm looking for a custom circuit board to power a 12V solenoid and a small 12V motor. The circuit board should regulate power supply and remain active until tri...
Read moreComplete QET Renovation Plan
My single-family house is being renovated and I need a fully detailed electrical installation plan created in QElectroTech. You will start from my room-by-room...
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