STM32L Smart Card Security System
I’m building a compact security-access module around the STM32L series and need the firmware that makes it all work. The microcontroller must drive an ISO 7816...
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Wireless 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 moreWiFi LED Controller Programming
I need help programming an individually addressable LED controller using an ESP32. The LEDs are APA102 and should be controlled over WiFi. Key Requirements: - P...
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 moreCNC .TAP Engraving Program
I need a clean, ready-to-run .TAP file that will engrave my design into softwood on my CNC router. The program must be written in standard G-code, saved with th...
Read moreCharger-Style GPS Enclosure Design
I need a pair of hard-to-spot housings that look and feel just like a slim, puck-shaped wireless phone charger, yet actually hide battery-powered GPS tracker bo...
Read moreIndustrial Automation Training Manual Creation -- 2
Your main task is to make a training manual/report on beginner mistakes in industrial automation. But it’s not just writing → simulation is required. You will u...
Read moreCat5e LAN Cable Termination
I need a professional to terminate 2 ends of Cat5e LAN cable with RJ45 connectors. Ideal Skills and Experience: - Experience with Cat5e LAN cable - Proficiency...
Read moreIndustrial Failure AI & Dashboard
I am building an end-to-end solution that automatically detects mechanical failures on the factory floor and then presents the equipment-health status in a live...
Read moreHydrogen Sensor Design for Research
I’m running a set of experiments that require accurate, real-time monitoring of hydrogen inside a temperature- and humidity-controlled chamber. I need a purpose...
Read moreESPHome IR: Panasonic & Sony
I need a compact custom ESPHome component that extends the heatpumpir Arduino library so my Panasonic RKR-series heat-pump is recognised by the IR Climate platf...
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 moreESP32 HMI Touchscreen Upgrade
I already have an ESP32-based HMI running smoothly, but I need the display side taken to the next level. The primary task is to migrate the project to a larger...
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 moreTimed Power Vending Device Prototype
I need a working proof-of-concept that lets a customer pay, see a quick on-screen confirmation, and then receive mains power for a pre-set period. The heart of...
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 moreDisposable Fitness Wearable with App
Design & Development of a One-Time-Use Wearable Device + Athlete Tracking App Project Description: We are seeking an experienced team (or freelancer with hardwa...
Read moreSkilled BLE Firmware Developer Required
1. Core Technical Skills BLE Fundamentals Understanding of BLE protocol stack (especially GAP and GATT layers) Deep knowledge of BLE advertising channels (37, 3...
Read more3 en raya con arduino
This project consists of a digital version of the classic tic-tac-toe game, implemented with an Arduino Mega board, 9 printed capacitive buttons, and RGB LEDs....
Read moreDMA Card Firmware Development -- 2
I'm seeking a skilled developer to create fully emulated firmware for a 35T DMA card. The firmware must be compatible with Windows 10 and 11 and able to emulate...
Read moreIoT Specialist: Hardware, Firmware & Cloud Integration
IoT Engineer – Embedded Systems & Cloud Integrations I’m an IoT Engineer specializing in end-to-end connected product development — from PCB-ready hardware desi...
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 moreArduino Pro Mini HEX File Read/Write Operations
Read/Write HEX File from Arduino Pro Mini (Delhi NCR Preferred) Project Description I am looking for an embedded systems developer with experience in Arduino an...
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...
Read moreFirmware for faceit AC (75t board) and a spoofer.
Need Skeleton and Health Bar only. I have a Makcu too, would be cool if u could code trigger for that too :)
Read moreRF Circuit Design Assistance
I have a new project that calls for a custom-built RF circuit, and I need a specialist who can take it from concept to production-ready files. The exact functio...
Read moreInstall Slider Dimmer Switch
I need my current wall-mounted dimmer switch swapped for a new slider-style unit. The existing wiring is standard single-pole and the switch controls one indoor...
Read more600VAC-800VDC Rectifier Design
I need a robust three-phase rectifier that takes 600 VAC input and delivers 800 V DC at a continuous 200 A for an industrial-machinery environment. High efficie...
Read moreKiCad PCB & ANSYS Thermal Analysis
I already have a complete KiCad schematic; what I now need is a production-ready PCB layout and a subsequent thermal check in ANSYS. The board must follow a cus...
Read moreUS Router Rental Needed
I need to rent working router located in the United States.
Read moreschematic and circuit diagram design - 18/09/2025 15:25 EDT
Electrical Engineer Brief for USB-C Power Strip Design Project Title: USB-C Power Strip Design for Charging 4 Laptops Simultaneously Objective: We are developin...
Read morePhoto-Crystal Analog Computation R&D -- 2
I am advancing a solid-state analog computer that relies on an etched crystal, a single 555-timer–driven flyback stage, and three orthogonally placed electromag...
Read moreESP32-S3 Alternator PCB Design
I need a complete PCB design that puts an ESP32-S3 at the centre of an automotive alternator controller. The board must regulate the field coil, handle auxiliar...
Read moreElectrical Engineering Assistance Needed
A new technical initiative on my desk calls for expert electrical-engineering input. I am still refining the full brief; however, the core expectation is a clea...
Read moreContent-Based Electronics Recommender
I’m building a shop that sells only electronics and I want to add a content-based recommendation engine so every visitor sees items that match what they’re alre...
Read moreMicrocontroller Prototype PCB Design
I’m ready to move my prototype from breadboard to a professionally-routed, manufacturing-ready printed circuit board. The core of the design will be a microcont...
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