Dallas Low-Voltage Prototype Development
I’m looking for a Dallas-based electrical engineer or small firm to take my low-voltage consumer-electronics idea from concept to a fully working prototype that...
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Industrial PCB Design
Project Overview: We're building an industrial-grade robot module and need a production-ready PCB designed from the ground up. The board will serve as the core...
Read moreLED Clock Kit PCB Layout
I’m putting together a small, beginner-oriented electronics kit and need a clean, well-organized PCB layout to bring it to life. The board’s sole purpose is to...
Read moreelectrical timer integration for 120v
Hi I have a machine that I build and it runs a power supply and a fan and timer. The timer model recently changed and now the timer fails every time. I may have...
Read moreCompact Rechargeable Audio Playback Board
I want to develop a compact, portable audio board that can store and play recorded voice prompts or downloaded MP3 files without relying on Bluetooth, AUX or US...
Read moreCompact 3×AA to 200–400 V DC Boost Converter Prototype with Integrated Digital Display
The immediate goal is a compact, battery-powered prototype that turns three AA cells into an adjustable 200 – 400 V DC output. An off-the-shelf DC-DC boost modu...
Read moreCST 1x4 Power Divider Designs
I need two separate 1×4 power divider models created and fully simulated in CST Microwave Studio. The first must cover 6 – 8 GHz, the second 26 – 28 GHz. My pri...
Read moreGyro-Based Single-Handed PC Game Controller
Single-Handed PC Game Controller Development (Gyro + Xbox 360 Emulation) Project Type: Hardware + Firmware + Windows Driver/Emulation Development Duration: Appr...
Read moreCompact SMD Circuit Design
I need a 45-55 mm diameter SMD board that drives a tiny fan from a 500 mAh Li-ion cell. The board must integrate: • a USB-powered charging module, • a tactile b...
Read moreDiseño de microcomputadora Allwinner H3
Quiero llevar a producción una tarjeta basada en el SoC Allwinner H3 que pueda arrancar Raspbian o Ubuntu desde micro SD. La placa debe incluir USB y HDMI, cone...
Read moreSports Smartwatch Enclosure 3D Design
I’m developing a rectangular, sports-style smartwatch and need a production-ready enclosure that balances sleek aesthetics with real-world manufacturability. Th...
Read more[SMC003] EasyEDA Schematic Review
Aqui está em bloco único, direto e profissional: ⸻ We are looking for an experienced electronics engineer to review the EasyEDA schematic of our custom Noise Se...
Read moreCustom Aluminum Calyx Volume Remote Control
I have a Calyx CTI integrated amplifier but no remote, so I need a brand-new one built from scratch. The only function it must perform is volume adjustment thro...
Read moreVFD Display Replacement Advisor
I need guidance to replace an obsolete VFD display on a PCB. The display shows both numerical data and text messages. Key requirements: - Exact dimension match...
Read moreGBA/GBC Cartridge Reader PCB Design
I have a half-finished KiCad project for a very small board that will plug a Game Boy Color / Game Boy Advance 32-pin cartridge into a Raspberry Pi (or similar...
Read moreConvert JLC EDA (open source) project to KiCad
Convert JLC EDA (open source) project to KiCad
Read more15 kW Bidirectional DC-DC Design
I am developing a 15 kW bidirectional stage that links a 400 V DC bus to a 0-330 V 40 ADC battery load. We want to use the Texas Instruments LM5171 controller....
Read more[SMC002] Altium Designer Project
Technical design of a sensor, with no need for physical assembly. The work includes PCB layout using Altium Designer. This project may lead to future opportunit...
Read moreDesign Outdoor BLE Scale
I’m moving an outdoor Bluetooth Low Energy scale from concept to production and I’m looking for someone who can take full ownership of the design, optimise it f...
Read moreLoRaWAN Magnetic Temperature Humidity Sensor
1. General Objective To design, verify, and develop a functional prototype of a low-power, autonomous LoRaWAN sensor that integrates temperature, humidity, and...
Read moreCharging Hub Integration & Prototype -- 2
Hi I will share the details with the shortlisted candidates. Thanks
Read morePCB y Electrónica Gadget Portátil
Necesito un ingeniero electrónico que lleve el desarrollo del circuito y la placa para un gadget portátil de electrónica de consumo que estamos preparando. El d...
Read moreLC Resonator Frequency Control Subsystem
[This AI generated description is only partially accurate. A more accurate one will be provided] I have two separate LC tanks that must run in lock-step at arou...
Read moreCortex-M Wearable Health PCB
I’m building a compact, medically-oriented wearable that measures bio-impedance through four skin electrodes, monitors temperature, optionally logs motion with...
Read moreAutomotive Battery Disconnect Controller
I’m building a compact controller board that will sit between a 12 V vehicle battery and a high-current contactor, taking care of everything except the full pow...
Read moreCharging Hub Integration & Prototype
Hi I will share the details with the shortlisted candidates. Thanks
Read morePrototype Wearable Massage Device Assembly
I’m building a first–run prototype of a soft, coin-vibration massage wearable and need the electronics fully assembled and proven on a single-layer FR-4 board w...
Read moreSTM32 CAN Relay Board Design
I need a straightforward yet reliable design for a small STM32-based board that will live inside an automotive environment. Its core tasks are simple control an...
Read morePatch ECG Wearable Prototype Design
I am looking to collaborate with an Embedded Systems or Electronics Engineer to design and build a wearable biosignal acquisition prototype. The goal of this pr...
Read moreLow-Freq Ultrasonic Driver Design
I’m looking for an electronics engineer to design a compact, efficient driver board for piezoelectric ultrasonic transducers operating between 20 kHz and 30 kHz...
Read moreCharging Hub Integration & Prototype
Hi I will share the details with the shortlisted candidates. Thanks
Read moreDiseño de Hardware IoT para PdM
Hola, Estoy buscando un ingeniero o equipo de ingeniería de hardware/firmware para desarrollar el dispositivo "edge" (captura de datos) para una plataforma de M...
Read morePortable Industrial DAQ Prototype
I need a complete portable data-acquisition system. The unit must simultaneously log pressure, vibration, ultrasonic and TDC/RPM signals coming from piezoelectr...
Read moreCNC Plasma Isolation Circuit
I’m upgrading the plasma source on my CNC plasma cutter and need an experienced power-electronics professional to create a compact voltage-isolation module for...
Read moreDiseño de PCB de 4 capas para dispositivo IoT con módulos RF y sensores.
Busco apoyo para transformar un esquema electrónico en una PCB de prototipo de 4 capas, tamaño mediano (aprox. 5–7 cm), con integración de varios módulos de com...
Read morePCB Design For AC DC Converter of 2 Channels and Multi Cut PCB
I need a production-ready PCB for a 250 W AC-DC converter that accepts a 230 ±10% VAC input and delivers a 2 channel 5.5 V DC and 5 V DC. Your job is to Design...
Read moreCustom PCB Schematic & Gerber
I need a circuit schematic and Gerber design with 3 power inlets and 1 outlet. If electricity flows from only one inlet, the outlet should activate normally. Ho...
Read moreBasic Wind Turbine AC-DC Converter
I need a straightforward circuit that turns the small-scale AC output of my miniature wind generator (i have followed a YouTube guide to make the generator, a b...
Read moreMeasurement Device Prototype Engineer
I’m ready to move an ambitious idea forward and need an electrical-engineering partner who can turn it into a first-run electronic prototype focused on measurem...
Read moreDebug Overheating Charge Board PCB
I designed a small charge-control board in EasyEDA around the FM5324GA. Although the layout functions, it overheats and the output droops instead of a steady 5...
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