LoRa RGB LED Cue System
My lighting software can already stream a simple serial string for every cue it fires. I now need that string to travel wirelessly over LoRa to a tiny, battery-...
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ESP32-C5 Device Schematic Design
I already have the full bill of materials for a small ESP32-C5 project and will be routing the PCB myself; what I’m missing is a clean, professionally organised...
Read moreESP8266 Bidirectional IR Control
I need robust, well-documented firmware that lets an ESP8266 on the Arduino platform both send and receive infrared commands for multiple air-conditioner remote...
Read moreCompact Atmega32U4 LED Controller
I need a full EasyEDA project—schematic and routed PCB—for a tiny Atmega32U4 board that lets a computer drive a single external LED through a 3-pin XH-JST conne...
Read morePrototype 2D LiDAR Sensor Development
I am building a proof-of-concept 2D LiDAR unit from the ground up and need a mainland-based embedded electronics engineer who can handle every step of the desig...
Read moreUrgent PAA5100JE ESP32D Software Setup
I have an ESP32-D dev board and three unused PAA5100JE optical-flow sensors. I only need to bring one online first, confirm it streams clean motion data, then r...
Read moreDigital Control System Design for Radio
I'm seeking an experienced circuit designer to create a digital control system for a Bi Color LED Matrix. The core component of this system will be a microcontr...
Read moreSimulIDE Arduino Hybrid Power Design
I want to build a small-scale hybrid renewable power system—solar panels, wind turbines and tidal generators all working together—inside SimulIDE, driven solely...
Read morePrototype: 100-Roti Automated Machine
I need a working prototype of a fully-automated roti-making machine that can turn out 100 soft, evenly cooked rotis in 30 minutes while keeping the total build...
Read moreComprehensive IoT Cloud-Based Solution Needed
IoT Cloud Solution Requirement We have developed a custom PCB-based IoT device consisting of an ESP32 microcontroller, an EC200 GSM (4G) module, an SCD30 sensor...
Read moreTriple-Rail DC Power PCB Design -- 2
I need a compact, production-ready PCB that accepts a single DC input and delivers three regulated rails—24 V @ 12 A, 12 V @ 12 A and 5 V @ 10 A—for an industri...
Read moreAI-Ready Robot Arm and Camera Control Software
project title: Build a simple plug-and-play software to control my robot arm + camera over WIFI (AI-ready) Description: I already have the Hardware: -Hiwonder X...
Read moreDouble-Layer Radio PCB Design
I need a double-layer PCB design for a consumer electronics radio project. Requirements: - Experience with double-layer PCB design - Knowledge in designing PCBs...
Read moreReview Gerber File, Upload via Arduino, and Solder Chip into PC Mouse
I need assistance reviewing a Gerber file to ensure it is set up correctly. If confirmed, the freelancer will upload the necessary code or firmware via Arduino...
Read moreSmart Device Health Monitoring Development
Project: Smart Device Health Monitoring Unit Project Objective: Develop an embedded device that monitors the health of 3-5 connected devices, displays status lo...
Read moreBattery-Powered LoRa ESP32 Parking Tracker
I need a working prototype that lets me monitor a single-car residential parking spot without running any wiring. The concept is simple: • Hardware: a custom ES...
Read moreSenior Embedded Firmware Engineer Needed
We are seeking a Senior Embedded Firmware Engineer or Small Embedded Systems Team to extend and integrate an existing commercial embedded firmware platform for...
Read moreArduino Script for ESP32 UI
I already have a two-screen interface finished in Squareline for my ESP32-CYD based nervoscope. All component IDs and events are set; what I am missing is the A...
Read moreRobotics Actuation and Control System - 03/08/2026 19:09 EDT
I'm developing a robotics application and need expertise in integrating solenoids, servo motors, and sensors. These components are critical for the actuation me...
Read moreMotorized Casing + ESP32 Integration For Phygital Toy
Project: Design a lightweight, child‑friendly casing with a simple motorized tilt mechanism. The casing will hold a smartphone and an ESP32 module. Scope: Creat...
Read moreUAV Visual Positioning System Development
Developer Required – Visual Positioning System (VPS) for UAVs We are looking for an experienced Computer Vision / AI / Embedded Systems Developer to help us bui...
Read moreWi-Fi Marine Hour Meter
I need a compact, battery-powered hour meter that bolts onto a piece of marine equipment, connects to the boat’s Wi-Fi, and silently counts every minute the eng...
Read moreParticle Boron-Based Alert System Prototype
I have a Particle Boron development board and would like to create a compact proof-of-concept monitoring system using two reed switches and a split-core current...
Read moreUnity Android Prototype With ESP32 for a Phygital Learning Toy
|| see attached brief for details || I am an educator and aspiring entrepreneur with a product idea for a phygital toy that I want to bring to life. I enjoy wor...
Read moreAutomotive Sensor Data MCU Design
I’m developing a microcontroller-based embedded system that will sit inside a vehicle and act as the central hub for sensor integration and data acquisition. Th...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreDevelop Efficient Arduino-Based Lap Timer
The goal is to turn an Arduino into reliable timing equipment for track-day cars. I already know the core requirement: precise lap timing triggered by track-sid...
Read moreESP32 IoT WiFi Firmware
I’m building a small IoT device around an ESP32 and need concise, well-structured firmware that brings reliable WiFi connectivity online. The goal is straightfo...
Read moreOutdoor RFID Reader Development
I need a custom-built RFID reader that can reliably pick up standard identification tags in an outdoor setting. The enclosure must withstand sun, rain, and an o...
Read morePortable 4G SIM Bonding Device
I need a working prototype of a portable SIM-bonding unit that merges multiple 4G LTE links to deliver a single, higher-bandwidth connection and tunnels all tra...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreIndustrial Carrier Board for CM5 and Ethernet Switch
Design an industrial grade carrier board for Raspberry Pi Compute Module 5 (CM5) and Gigabit Ethernet Switch with 24VDC as main power supply. The board should s...
Read moreArduino Lap Timer System
The goal is to turn an Arduino into reliable timing equipment for track-day cars. I already know the core requirement: precise lap timing triggered by track-sid...
Read moreLoRa-4G Ethernet IoT PCB
I’m putting together a compact communications board and need a full PCB design that integrates every piece of the hardware listed below into one reliable, batte...
Read morePrototype Smartphone and fob Controlled Home bolt Lock
I need a working prototype of an electronic lock that can retrofit a standard residential dead-bolt and be controlled primarily through a dedicated smartphone a...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreDesign and Development of a Portable LoRaWAN-Based Household Energy and Water Monitoring Kit
Project Summary I require an experienced IoT/Embedded Systems engineer to design and build a portable LoRaWAN-enabled sensing kit for my PhD research. The syste...
Read moreSTM32 Firmware for IoT Data Logger
# Embedded Firmware Developer (STM32) for Industrial IoT Data Logger We are looking for an experienced **Embedded Firmware Developer** to develop firmware for a...
Read moreCustom NXP i.MX RT1170 Educational Board
# Hardware Design Engineer – Custom i.MX RT1170 Board ## Project Overview Looking for an experienced hardware engineer with proven experience in **NXP i.MX RT11...
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