Radio-Controlled Mower Door Circuit
I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...
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ESP32-S3 Schematic Design
I need a detailed schematic design for an ESP32-S3 embedded system. The design should integrate various sensors and power management components. Requirements: -...
Read moreAltium Two-Layer PCB Design
I have a 230 mm × 230 mm, two-layer board that will be driven by an ARM-based STM32 microcontroller. I will provide a schematic, key component part numbers(BOM)...
Read moreMotion-Sensing Power Steering Controller
I need a motion-sensing power steering pump controller using a Hall sensor. This system should detect steering rotation and utilize an NE555 timer to generate a...
Read moreCustom Mixed-Signal Circuit Design
I need an experienced electrical engineer to take a mixed-signal concept from idea to production-ready documentation. The project is firmly centred on circuit d...
Read moreKeyboard PCB RS-274X Design
I need a complete RS-274X (Gerber) package for a keyboard whose primary purpose is everyday typing. The PCB should follow a conventional matrix layout, ready to...
Read moreNoise-Proof PNP-ESP32 Wiring
I need a rock-solid wiring solution that lets my 12 V PNP proximity sensor talk to an ESP32 inside a stamping factory filled with motors, EMI and loud press str...
Read morePCB Duplication
I need a physical PCB duplicated. The new PCB can use different components but should be functionally similar to the original. Requirements: - Reverse-engineer...
Read moreConvert PDF Schematic to OrCAD
I have a complete schematic saved only as a PDF and I need it redrawn in OrCAD Capture 17.2. The goal is a one-to-one reproduction of the schematic itself—no BO...
Read moreReverse-Engineer Gerber Files to Schematic
I have a set of final Gerber files that were generated in EasyPC for an industrial-equipment board. Unfortunately, the original schematic has been lost, so I no...
Read moreCamera USB Hub PCB Design
I’m building a small sensor-interface board that lets an OV9281 1 MP grayscale camera stream 120 fps video to a host while an RP2040 microcontroller shares the...
Read more5 km 27 MHz Sensor Transmitter and receiver
I am putting together a long-range monitoring system that will stream temperature and pressure readings from a remote site back to a base station. The link must...
Read moreHome Energy Monitor 5-4000 W
I’m building a compact system for my house that can accurately track loads anywhere from a tiny 5 W device up to a 4 kW appliance. The core requirements are str...
Read moreESP32-CS6 IoT Sensor Integration
I’m building a small IoT device around the ESP32-CS6 and need hands-on help wiring in and driving a set of external sensors. Connectivity is already handled els...
Read moreCompact ESP32-C6 IoT PCB
The objective of this project is to design Kicad general-purpose IoT controller based on the ESP32-C6-WROOM-1U. The board is intended for external environmental...
Read more65% Keyboard PCB
I’m putting together a custom 65% mechanical keyboard and need a complete PCB schematic that brings a premium feature-set together in one tight design. Core req...
Read moreArduino shield PCB Design
Scope of work - Design two stackable Arduino UNO R4 shields - Board 1: isolated IO and power control using relays - Board 2: serial communications with RS232 ou...
Read moreEPLAN Greenhouse Control Schematics -- 3
I need an experienced EPLAN designer to prepare electrical drawings for two greenhouse control panels, based on the specifications below. General Requirements (...
Read moreEPLAN Greenhouse Control Schematics -- 2
I need an experienced EPLAN designer to prepare electrical drawings for two greenhouse control panels, based on the specifications below. General Requirements (...
Read moreIndustrial Fire Alarm Repair
My on-site fire alarm system in an industrial facility has stopped activating when triggered, so I need a specialist to diagnose the fault, carry out the necess...
Read moreReal-Time Index Calculator Prototype
Hobbyist/Inventor seeks an electronics engineer (or equivalent) to build a real-time index calculator that continuously displays a single value, based on three...
Read moreHardware Circuit Designer – Bluetooth Audio Toy (Low-Cost)
* Design a complete low-cost hardware circuit for a Bluetooth audio storytelling toy * Select and validate cost-effective electronic components suitable for mas...
Read moreRhythmic Audio-Sync Prototype Development
I need a working proof-of-concept that can do three things in perfect unison: play a short audio track, drive a coin vibration motor, and blink a single-colour...
Read moreSmall Sized bluetooth PCB Design
I’m developing a handheld consumer-electronics device and need a production-ready PCB that handles reliable WiFi / Bluetooth connectivity while fitting within a...
Read moreFlash C Code to ATmega328P
Mam już napisany i skompilowany program w C, lecz zatrzymałem się na etapie jego wgrania do mikrokontrolera ATmega328P. Korzystam z Arduino IDE i prawdopodobnie...
Read moreSimple Through-Hole PCB Design
I’m ready to turn a straightforward consumer-electronics circuit into a production-ready printed circuit board. The board will be very small in scope—just one o...
Read morePCIe based 16 output DVB-ASI Streamer Card Development -- 2
We have a 4 output DVB-ASI Streamer PCIe card. For the PCIe function we use a PLX device which is now obsolete. We wish to use an Altera device for the PCIe fun...
Read moreKiCad 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...
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
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...
Read moreAutoCAD Industrial Electrical Schematics
I’m starting with a clean slate and need a full electrical design package for a new piece of manufacturing equipment. The scope covers every circuit that drives...
Read morePCIe based 16 output DVB-ASI Streamer Card Development
We have a 4 output DVB-ASI Streamer PCIe card. For the PCIe function we use a PLX device which is now obsolete. We wish to use an Altera device for the PCIe fun...
Read moreDigital 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...
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 moreCAD Electrical Schematic Drawing
I need a detailed electrical schematic drawing created using CAD, based on a provided sketch. The drawing should include full wiring and labeling. Requirements:...
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 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 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...
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