Simple DAC Integration on PCB
I have a simple, already-routed PCB that needs one last feature before I can send it to JLCPCB: a single-channel digital-to-analog converter (DAC) capable of dr...
Read more
ID / Date
Listing
Link
Miniaturized Medical Device Development
I’m building a wearable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two closely...
Read moreRancang Lampu Otomatis Sensor Cahaya
Saya ingin memasang lampu otomatis di garasi atau gudang saya. Lampu harus menyala secara otomatis saat cahaya di ruangan turun di bawah tingkat tertentu, lalu...
Read moreFirebase Push Updates to Arduino UNO
I have an Arduino Uno connected to a SIM800L GPRS module and a Realtime Database on Firebase. What I need is straight-forward: whenever a sensor reading changes...
Read moreESP32 Dual-Power Smart Switch
I need a compact ESP32-based controller that will sit between my main grid supply and a solar array, sense which source is available, and automatically transfer...
Read moreGLTF Joint Extraction & Visualization
I have a rigged GLTF file that captures a full–body animation, and I need a clean, repeatable way to turn that motion into numbers my robotic-leg controller can...
Read moreOutdoor PCB Self-Certification Support
We have a very low-power, 3.5VDC printed-circuit board (RPi5, Arduino, ESP32/STM32 based or similar) housed in a ATEX EX certified plastic enclosure (we just pi...
Read moreATmega32 BMI Firmware Enhancements
My BMI application already runs smoothly on an ATmega32, but it needs to grow. I want the firmware extended to accept rich, custom user-data input (think age, g...
Read moreOptimize ESP32 BMI Timing
I have an ESP32 project with a TFT display that measures BMI (Body Mass Index). The code is working, but there’s a timing issue during the measurement phase. Cu...
Read morePrototype Assembly & Soldering Support
I’m finishing a short-run custom prototype and need an extra set of steady, detail-oriented hands. The work centers on three areas: precise component soldering,...
Read morePID en Atmega para Incubadora
Cuento con una placa ATmega ya cableada y necesito el firmware que implemente un controlador PID capaz de mantener la temperatura interna de mi incubadora avíco...
Read moreSTEM Educator (Lucknow, India)
-We need STEM trainer preferably from Engineering background – Electronics/CS/Mechatronics streams. -The trainer will handle sessions for – 3D Printing/Arduino/...
Read moreHigh-Speed Data Transfer FPGA Development
I am seeking an experienced FPGA programmer to develop a custom hardware acceleration solution for high-speed data transfer over Ethernet. Key requirements: - D...
Read moreInteractive Motorcycle Display Animation
I have a custom motorcycle display that I’d like to bring to life. The moment the bike “starts,” I need three things to happen in perfect sync: 1. The tail ligh...
Read moreEmbedded System Developement
I’m building an Arduino-based device that brings together multiple sensors, motion components, and wireless modules, all coordinated through a clean UART link....
Read more12V Modbus RTU Controller Development
I'm looking for an experienced developer to create a 12V Modbus RTU controller with an RS485 interface for a Linak actuator. The controller should be capable of...
Read moreSTM32H743II LCD Driver and Flash Optimization with LVGL Integration
I am a PCB designer with 7 years of experience and have developed a custom board based on STM32H743II, attached to an lcwiki 7-inch IPS LCD. Board Specification...
Read moreESP32 UPI Vending Integration
I’ve already built the core vending-machine electronics on an ESP32 and now want to complete the payment side so customers can pay seamlessly via UPI. My own fa...
Read moreESP32 Smart automatic changeover swtich
I want a clean, well-commented firmware project for an ESP32 that will drive two core functions in my home-automation setup: it must switch my lighting circuits...
Read moreLabVIEW Smart Fetal ECG
I need a LabVIEW solution that turns my fetal ECG sensor into a smart, clinician-friendly tool. The VI must deliver real-time monitoring with both visual readou...
Read moreiot and pcb design
About the Role We’re building smart hardware products and are looking for someone who enjoys working at the intersection of electronics and coding. The role wil...
Read moreFirmware Development for Premium Motorsport Device
We’re building a premium motorsport device. We need a hands-on firmware freelancer to help bring our first prototypes to life and then carry it through to produ...
Read moreUSB-C Hub Prototype Development
Project Title: Active USB-C Hub Prototype Development Location: Remote (Immediate Start) Engagement: Contract (Project-based) Start Date: Immediate Duration: 2–...
Read moreAI Chat Product & File Search
I’m building a small web app that feels as effortless as ChatGPT yet is tailored for product look-ups and file retrieval. A visitor should be able to type somet...
Read moreRaspberry Pi Control & Payments
I have a Raspberry Pi at the heart of a small industrial setup and now need software that lets the Pi do three things in harmony: • Take full control of the mac...
Read more4WD Crawler - Electrical Design Consultant
Freelance Requirement – Electrical & Wiring Design Support (4WD Crawler) We are building a 4-wheel drive crawler system and require support in electrical & wiri...
Read moreSimHub Arduino setup support MUST KNOW SIMHUB
I am looking for someone experienced with SimHub and Arduino (Mega 2560 / Leonardo) to help me get my motion rig fully connected again. The system was working f...
Read moreOptimize STM32H7 GPIO Output Speed
I need small STM32H7 firmware that outputs data from RAM to a GPIO pin as fast as possible. We have 1 pin for data and 1 pin for clock. The data must be present...
Read moreMagnetometer LED Alert System
I already have the hardware on my bench— an HMC2003 board, an NVE ALT-0021 board, an OMGS3 ESP32 board and the accompanying analog-to-digital converter. What I...
Read moreArduino Blink on ATSAMD21J15
I have a custom-built PCB centred on the ATSAMD21J15 and I want to prove it alive with the classic “blink” sketch from the Arduino IDE. From many previous attem...
Read moreAI Chat Product & File Search
I’m building a small web app that feels as effortless as ChatGPT yet is tailored for product look-ups and file retrieval. A visitor should be able to type somet...
Read moreSimHub Arduino setup support
I am looking for someone experienced with SimHub and Arduino (Mega 2560 / Leonardo) to help me get my motion rig fully connected again. The system was working f...
Read moreFinishing a project on WAVESHARE ESP32-S3 Touch LCD 7"
I’m looking for someone to help me finish a project based on the Waveshare ESP32-S3 Touch LCD 7". The graphics part is already done, but the touch functionality...
Read moreFix ESP32-S3 Webserver Issue
I have a DFRobot ESP32-S3 AI Camera Module that keeps dropping the USB connection every few seconds, so the built-in webserver never comes online and nothing ap...
Read moreCircuit Troubleshooting for Servo Motor
need help with troubleshooting circuit I have a servo motor and its corresponding motor driver connection details supply power to the driver using psu (power su...
Read moreTwo I2C on Adafruit QT Py SAMD21
I'm looking for a freelancer to provide Arduino code in platformIO that runs two I2Cs on the adafruit QT PY SAMD21. The second I2C must use pins PA22 and PA23....
Read moreVerification Lamp Prototype & Capture Software
Prototype Development: Verification Lamp with Camera + Magnifier + Software We need a hardware and software prototype for a verification device. The product sho...
Read moreMagnetic Crawler Robot Control System -- 2
Project Requirement: Remote-Controlled Magnetic Crawler – Control System Development Objective: I am developing a magnetic crawler robot that can operate on fer...
Read moreSTM32 to LCM-R305VN Driver HT1621
I need a compact, well-documented driver that lets an STM32 microcontroller talk smoothly to an LCM-R305VN LCD display. The exact wiring protocol is whatever th...
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 more