RS485 Daisy-Chain Signal Fix -- 2
I have a daisy-chained PCB that links several boards over RS485. Each board carries a Microcontroller and the necessary communication modules. Everything powers...
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Read moreConference Room Proximity Sensor Circuit designer
Looking to create a device that can sense when a divisible conference room is divided or combined. At its base function I will want to program it to tell it how...
Read moreESP32-based direct LCD reader for AUTO digital tire/tread gauge — small reverse-engineering + decoder
I want to non-invasively “listen” to the glass-mount LCD inside a multi-function gauge and let an ESP32 turn those raw segment signals into readable numbers usi...
Read moreRS485 Daisy-Chain Signal Fix
I have a daisy-chained PCB that links several boards over RS485. Each board carries a Microcontroller and the necessary communication modules. Everything powers...
Read moreWearable Tech: Smart Ring Flex PCB Design
Smart Ring – Schematic & PCB Layout for Flex PCB Prototype Project Overview We are developing a wearable smart ring for emergency use. The ring integrates a BLE...
Read moreRS485 to RS232 Converter – PCB Design Needed
Need a compact, reliable RS485 to RS232 converter PCB designed. Must include proper level shifting, termination resistors, and optionally isolation. Prefer use...
Read moreCustom PCB Board Design
I need a complete product-level PCB board designed from scratch. The goal is to take my functional requirements and turn them into a production-ready electronic...
Read moreنظام تحكم ري ذكي -- 2
أرغب في تصميم وتنفيذ نظام تحكم ذكي متكامل لأنظمة الري والزراعة الذكية داخل مزرعة قائمة. أهم ما أبحث عنه هو إمكان التحكم عن بُعد من خلال تطبيق جوال يسمح لي بفتح...
Read moreSchematic & PCB Design for Advanced Automotive Braking System (KiCad Only)
Project Overview: We are developing an advanced automotive braking system and need an Electronics Engineer with atleast 5+ years of experience to create both th...
Read moreSub-6 GHz Doherty PA Design
I need a compact, efficient Doherty power amplifier that operates below 6 GHz for a telecommunications front-end. The target output is in the 1 – 10 W range whi...
Read moreredesign of PCB layout and NC controller on GD32
We are working on PCB layout change on PCB we have designed and trying implement NC controller on GD32. - Need to change motor driver. - Need to readjust the la...
Read moreCustom STM32F7 Flight Controller
I need a bespoke flight-controller board built around the STM32F722 MCU and the ICM42688P gyro. The absolute non-negotiable is seamless, upstream compatibility...
Read moreESP32 Wearable PCB & Enclosure
Hi I will share the details with the shortlisted candidates. Thanks
Read moreLong-Range RFID Reader Design
I need help designing a long-range reader that can reliably interrogate both HDX and FDX tags such as is used in animal tracking. Typical solutions have very sh...
Read moreSingle-Layer 10x10 cm PCB Design
I have a consumer-electronics concept ready to move from schematic to production, and I now need a clean single-layer PCB laid out within roughly 10 cm × 10 cm....
Read moreElectrical Engineering Innovation Projects
We are expanding our Electrical Engineering Team and looking for 5 to 7 skilled freelancers to collaborate with us on a variety of ongoing and upcoming projects...
Read moreEnvironmental Sensor Array with ML Compatible Parts
I need an integrated sensor array for environmental monitoring. The sensors will collect data on temperature, humidity, pressure, and VOC compounds using a BME6...
Read moreClass D - DSP Amplifier PCB Design
I need a medium-sized Class D DSP amplifier designed for audio playback on Studio Monitors. The PCB will support: DSP Features: - Room correction - Phase alignm...
Read morepcb layout and schematic capture
pcb layout and schematic capture
Read moreESP32 Wearable PCB & Enclosure
I am building a small wearable that revolves around an ESP32-S3 and now need the complete hardware package designed—from the board itself to a snug, ready-to-pr...
Read moreSTM32F767 PCB & Gerber Design
I have a working STM32F767ZIT6 prototype on the Nucleo evaluation board and now need a compact, production-ready PCB that keeps all the essential comforts of th...
Read moreSemester-3 Electronics Problem Solutions
I have a bundle of pre-existing numerical problems drawn from a third-semester B.E. syllabus and I need clear, fully-worked solutions. The set spans the usual a...
Read moreGenerator Integration Project - INNIO J920 Connection Drawings
Seeking experienced electrical engineer for high-voltage generator integration project We are looking for a qualified electrical engineer to design and prepare...
Read moreHot Tub Motor Repair
My hot tub’s motor has stopped working altogether. The heater, shell, and plumbing seem fine, but the tub simply will not start because the motor refuses to kic...
Read moreWigig M.2 card
Pcb design and all the things, files needed for manufacturing 802.11ad/802.11ay wigig M.2 card backward 4x4 mimo 176gbps
Read moreMPPT Charge Controller for VAWT - 21/09/2025 04:19 EDT
I need a power electronics expert to design an MPPT (Maximum Power Point Tracking) charge controller for a vertical-axis wind turbine (VAWT) project. The turbin...
Read moreUnique Arduino Digital Electronics Project
I need a ready-to-present, microcontroller-based Digital Electronics mini project that runs on an Arduino board. It must be original, inexpensive to reproduce,...
Read moreLab-Grade Tube Microwave Design
I need a seasoned microwave engineer to transform the guts of a standard household microwave—plus any additional components you specify—into a purpose-built hea...
Read moreWireless Welding Remote Design
I’m building a long range handheld wireless remote dedicated to fine-tuning welding current on the fly. The unit only needs to change the machine’s amperage and...
Read moreLED Entertainment Installation Design
I need a design for a multiple flashing LED project intended for to simulate the flashing lights on multiple servers. I can free issue micro leds, power supplie...
Read moreURGENT - Fix MEMS Mic Static Noise
The item is of urgent need. My MEMS-microphone circuit is picking up a constant, low-level hum that blankets the entire recording. I have ruled out obvious grou...
Read moreCustom ESC for Powered Glider
ESC Target Specification (F5J / 50A Class) 0) Summary Goal: Lightweight, reliable 50A brushless ESC for F5J gliders, similar class to “Francy 50” with features...
Read moreParticle Boron Battery Monitor PCB
I am looking for an experienced electronics engineer to review, correct, and complete a PCB design for a Remote Battery Monitoring System. I have drawn a schema...
Read moreKiCAD Multi-project upgrade and organisation
Hello there! We are working on a music creation tool, and are looking for someone to help us with KiCAD. Given a folder with multiple KiCAD projects which are a...
Read moreWigig M.2 card
Pcb design and all the things, files needed for manufacturing 802.11ad/802.11ay wigig M.2 card backward 4x4 mimo 176gbps
Read moreRealizacion de pcb
El proyecto consiste en compactar varias placas en una sola Se pide que la placa este funcional 100% sin errores y entrega de todos los archivos pcb top/ Bottom...
Read moreJLCPCB Manufacturing Package – BBQ20KBD Keyboard (KiCad project ready)
Project Description Hello, I am looking for a freelancer to prepare the full manufacturing package for JLCPCB for the BBQ20KBD keyboard project. The schematic a...
Read morePCB ESP32
PROFESSIONAL PCB DESIGN ESP32 I have a working prototype of a control and monitoring device based on the ESP32 microcontroller with a multi-channel triac contro...
Read more3000 W Induction stow PCB Design
I need a seasoned PCB engineer to take my 3 kW, 110 V-230 V induction-stove concept from schematic to production-ready files. The board must reliably drive the...
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