Home IoT Monitoring Device Development
I’m building a small-scale IoT device dedicated to continuous monitoring and data collection inside a typical home. The core goal is to sense key environmental...
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Outdoor Meshtastic Soil Sensor Prototype
I need two simple yet reliable prototype nodes that can sit outdoors, wake up at a configurable interval, pull a register line from a Modbus-compatible soil pro...
Read moreBulk Power Supply Design
Hello, I am looking for an experienced power electronics engineer or engineering company to design and develop a high-reliability industrial AC-DC power supply...
Read moreRectangular Tattoo Machine PCB Design
I’m building a compact, battery-powered tattoo machine and need a custom rectangular PCB that can both manage the lithium-ion power source and drive the rotary...
Read moreAI Dashcam Schematic Design
I’m putting together an automotive-grade dashcam that runs on an AI SoC and would like a complete hardware schematic as the next step. The core board has to han...
Read moreCompact Lora-GPS-LTE PCB Design
I'm seeking an experienced PCB designer to create a small-sized, integrated PCB for a tracking device. The PCB should include the following components: - LoRa m...
Read moreAdvanced STM32 Motor & Heater Control Production
STM32 BLDC Motor + Heater Controller — KiCad Schematic, PCB, Gerbers & BOM (Production) Project Description (paste this) I need an experienced hardware/PCB engi...
Read moreDesign a Low-Cost Automotive 4G LTE Telematics PCB for Fleet Management & FASTag Platform (Complete Hardware Design)
Project Overview I am developing a commercial automotive telematics device for the Indian market. The product will be used for fleet management, GPS tracking, v...
Read moreDouble-Layer PCB Design for Gadgets
I’m developing a new consumer-electronics device and I need a reliable double-layer PCB designed from the ground up. I will supply the schematic on paper. The p...
Read moreMiniature OTP Voice PCB Design
I’m building a small toy that plays a single prerecorded sound. To make this work I need a PCB design built around the OTP voice chip, a LiPo battery with its r...
Read moreESP32 CNC Industrial-Grade Display Design
ESP32 CNC Display Unit — PCB Schematic, Layout, BOM & Aluminium Enclosure Design (Industrial IP54) Designing a Smart CNC Machine Display Unit for industrial sho...
Read moreZephyr ANT+ Heart Rate Scanner
I am working on a project using an nRF52840 Pro Micro to read data from a heart rate strap. I am using the latest SDK version (v3.3.1) with Zephyr, but I am hav...
Read moreESP32 Triac Board Review
I have an ESP32-based board that drives a triac and includes an on-board AC-DC converter. The existing schematic shows clear wiring mistakes, questionable compo...
Read moreFinalize GR5513 RF Board Design
I already have a near-complete Bluetooth LE board built around the Goodix GR5513. The digital section is proven, but the RF side still needs refinement before I...
Read moreHydrophone ADC with Programmable Gain
I’m developing an embedded system for underwater acoustic measurements and I need the complete signal-conditioning path designed around a high-resolution ADC. T...
Read moreEmbedded Systems Research Assistant
I am seeking a motivated Embedded Systems Research Assistant to support the development, simulation, and experimental validation of a low-cost electronic assist...
Read moreArduino DC Motor Automation
I have a simple mechanism driven by a single DC motor, and I want to hand its entire routine over to an Arduino. What I need is a clean, well-commented sketch t...
Read moreCustom PCIe Interposer Board Schematic Creation
I need an electronics engineer to create a schematic capture (in EasyEDA or KiCad) for a custom PCB, based on detailed documentation and a diagram I will provid...
Read moreEmbedded Systems Engineering Support
Project Description – Smart Buffalo GPS Collar (Prototype) Project Overview I am building a smart GPS collar for buffaloes that uses virtual fencing (geofencing...
Read moreRaspberry Pi 5 Multifunction HAT Design
We're building a compact Raspberry Pi 5–based dual-HDMI capture & USB-peripheral appliance (a remote KVM / screen-capture device). Today it's an assembly of off...
Read moreESP32 Auto TPMS Gauge Development
ESP32-Based 52mm TPMS Gauge (433 MHz Sensors + Custom Display UI) Description: I need a small embedded systems developer to build a standalone automotive TPMS g...
Read moreSmart Fitness Tracking Shoe
I'm looking to develop an innovative smart shoe, designed primarily for fitness and health tracking, while also keeping your feet cool. Key Features: - Step tra...
Read moreArduino & RFID System Developer
RFID & Arduino Prototype Developer Needed (Embedded Systems) We are looking for a skilled developer with hands-on experience in RFID and Arduino-based embedded...
Read moreRelay Removal PCB Redesign
I have a finished PCB for an embedded controller and now need a precise edit: two signal relays (IC13 – IMB03CGR and IC14 – IM03GR) must disappear, with their s...
Read moreExpert Embedded Developer for NFC Integration
ESP32 / STM32 & NFC Embedded Developer Needed We are seeking an experienced embedded developer with strong expertise in ESP32, STM32, and NFC technologies. The...
Read moreDevelop an E-commerce App (iOS/Android)
Arduino Robotics & Automation Developer Needed We are looking for a talented embedded developer with experience in Arduino, robotics, and automation projects. T...
Read moreSmart Specs Neurotech Prototype Development
We are working on a project building a lightweight, clip-on smart glasses attachment that tracks focus, fatigue, and body posture. This is a research-grade neur...
Read moreWi-Fi Controlled ABS Enclosure Prototype
Build a 100 × 100 × 50 mm ABS enclosure with a clear hinged lid. The lid should spring/pop open when triggered over Wi-Fi using iPhone. Use an ESP32, a micro-se...
Read moreRaspberry Pi 4B CamilaDSP Specialist Needed
I'm seeking an expert to assist with setting up and programming CamilaDSP on an Orange Raspberry Pi 4B. Key tasks include: - Setup and configuration - Install t...
Read moreKiCad Designer for School Access Control System
Hi, I'm a student working on an access control system for our school's IT labs. We already have a working prototype and the firmware/software side handled — wha...
Read moreSmart Aquarium Dosing Pump Product Development
Role: End-to-End Hardware + Firmware + PCB + Enclosure Designer Project: Automatic Smart dosing pump for Aquarium Freelancer Location : India , Prefferably Chen...
Read moreHigh-Voltage 2kV PCB Design with ADC/DAC
High voltage till 2kV with transformer and signal conditioning (ADC,DAC) on the same PCB with around 50 components, with 4 layer board
Read morePrototyp kontaktloser Seifenspender mit Duft
Ich möchte einen voll funktionsfähigen Prototypen entwickeln, der zwei Alltagshelfer in einem Gerät vereint: einen automatischen, kontaktlosen Seifenspender und...
Read moreCustom PIC16F877A Development Board Design
I'm excited to share one of my recent hardware design projects: a custom 4-layer PIC16F877A Development Board designed from scratch using Altium Designer. This...
Read moreHome Solar Panel Schematic Design
I need a detailed electronic schematic for a consumer-grade home appliance: a compact solar panel unit that will power and manage small household loads. The goa...
Read moreSmart Parking Disc Modification -- 2
Project Brief: Stealth-Modified Automatic Parking Disc (Certified for Public Road Use in Germany) Project Goal: I want to technically modify a certified electro...
Read moreEmbedded Systems Engineer Required for BLE Sensor Integration & Firmware Development
We are looking for an experienced Embedded Systems Engineer to assist with the development of a proof-of-concept prototype involving motion sensors and Bluetoot...
Read moreTV Komputer Meeting Office Inovatif
Saya sedang menyusun sebuah TV komputer serba-guna yang sanggup menjadi pusat rapat kantor sekaligus perangkat hiburan rumah. Fokus utama adalah fitur meeting k...
Read morePengembangan Produk TV Komputer Inovatif untuk Pasar Rumah dan Kantor - 01/07/2026 02:52 EDT
Saya ingin mengembangkan produk TV komputer yang inovatif untuk kebutuhan rumah dan kantor. Saya membutuhkan freelancer yang berpengalaman dalam desain produk e...
Read morePOE-Powered RS485 Sensor PCB
I need a compact, production-ready PCB that lets me power a 12 V DC / 200 mA RS-485 sensor directly from a PoE network drop and expose its data on the same Ethe...
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