ESP32 Modbus To Google Sheets
I need a small firmware-ready solution that lets my ESP32 (with a MAX485 transceiver) poll a Selec UCI 500 PID controller over RS-485/Modbus RTU, grab the tempe...
Read more
ID / Date
Listing
Link
QMK Firmware Developer for Mechanical Keyboard
I'm looking for an experienced QMK firmware developer to create custom firmware for a mechanical keyboard. The firmware should support custom key mapping, macro...
Read moreDevelop GIDA01 & GIDA03.B Modules
PCB DESIGN NEEDED GIDA01 and GIDA03.
Read morePCB Order Configuration and Verification
Hi, I need help ordering a set of PCBs from JLCPCB. The design is open-source and the files are already on GitHub — I just need someone who knows what they're d...
Read morePCB Replacement for Feature Upgrade
I need assistance in replacing a PCB in a radio product to add additional features. The scope includes: - Removing the old PCB - Installing a new PCB with added...
Read moreSTM32 SPI microSD Guidance
I’m putting together an STM32-based design and need clear, working guidance on driving a microSD card over SPI. My end goal is solid, repeatable read-and-write...
Read moreSPI Code for SI4010C2 Remotes
I’m working on a fleet of roughly 200 remote-control models built around the SI4010C2-GSR transmitter IC. All of the devices share a small external flash that i...
Read moreSPI Code for SI4010C2 Remotes
I am working with Silicon Labs’ SI4010C2 RF remotes and need reliable, well-documented SPI firmware to drive the device. Your job is to write clean, interrupt-s...
Read moreFreeCAD Model: ESP32-S3 Board
I need an accurate 3 D model of Waveshare’s ESP32-S3-LCD-2.8C, built natively in FreeCAD. All the information you need is on the official wiki page (https://www...
Read moreSimulink PWM for NPC Inverter
I need production-ready PWM firmware for a three-level neutral-point-clamped inverter, built and tested in Simulink, then auto-generated to run on a TMS320F2837...
Read moreRaspberry Pi Camera-to-Modbus Gateway
I need a Raspberry Pi programmed so it can take a live video feed from an attached camera, run image-recognition on each frame to spot custom objects or pattern...
Read moreAcebott Car Remote Programming
I’m using the Acebott Smart Car Kit QD001 with the QD007 arm expansion, and I’d like the controls moved from my computer mouse to a dedicated physical remote so...
Read moreArduino Code File Refactor -- 2
My existing Arduino sketch has grown into one long file packed with sensor-handling, communication, and general utility routines. The logic works perfectly, so...
Read moreAutomated Shutter Electronics Prototype
I’m looking for an engineer or a small team to deliver a working prototype of the electronics for a automated shutter project. The system runs on 24V DC and dri...
Read moreAI-Powered Remote Control Car with voice commands
I want to turn a standard RC chassis into a smart, self-aware toy that can do far more than just follow joystick commands. The end goal is a prototype car that:...
Read morePaper-to-Mobile Smart Pen Development
I want to turn ordinary paper into a fully connected writing surface by building a smart pen that streams everything I write or sketch straight to a companion a...
Read moreSelf-Balancing Scooter Firmware
I have a new Segway-style scooter in development and need a seasoned embedded programmer to create the entire self-balancing (gyro/IMU) firmware that will ship...
Read moreESP32 Low-Power Audio Device — PCB Desig
Building a Catholic Prayer Chime Device — Electronics Design Phase We are developing The Angelus Chime, a battery-powered devotional device that plays authentic...
Read morePrototype Assembly & Housing: Dual Arduino RF Proximity System Project Overview
I am seeking a US-based hardware developer or electronics technician to assemble two physical prototypes of an RF-based proximity system. I have already develop...
Read moreESP32 Low-Power Audio Device — PCB Design + Firmware (KiCad, Digital Files)
Building a Catholic Prayer Chime Device — Electronics Design Phase We're developing The Angelus Chime, a battery-powered devotional device that plays authentic...
Read moreWi-Fi Modem for Smart Meters
I need a purpose-built Wi-Fi modem that can sit in the field, discover and manage between twenty and thirty of my smart prepaid electric meters at once, then fo...
Read moreDIY RC Car Creation Guide
Got it! Here’s a polished and engaging introduction for your blog post that will hook readers right away: Build Your Own DIY RC Car with Arduino – A Step-by-Ste...
Read morePLC Modbus IO Status Map
I need a clear, single-page overview of every discrete input and output in my Modbus-based PLCs. The goal is to have a graphical layout that refreshes each poll...
Read moreFix ESP32-Cloudflare R2 Sync
My ESP32 code already handles Wi-Fi, builds the S3-compatible requests, and reaches Cloudflare R2, yet the text files I push never actually appear in the bucket...
Read more3pi Robot Magnet Navigation Code
I need a clean, well-commented Arduino sketch for the Pololu 3pi that lets the robot visit six preset locations, interact with the magnet at each spot, and retu...
Read moreNFC-Based Children's Audio Player Development - 14/02/2026 07:36 EST
Project Description I am developing an educational NFC-based audio player for children (ages 2–7). The concept is simple: a child places an NFC figurine on the...
Read moreESP32 Battery-Powered Audio Device — Full Design Package (PCB + Firmware + 3D Enclosure)
======================================= OVERVIEW ======================================= We need a complete design package for a standalone, battery-powered aud...
Read moreAdd STM32G431 Internal Sensor
My current STM32G431 firmware already handles sensor-integration tasks and streams data from an external radar sensor. I now need the MCU’s built-in temperature...
Read moreFreelance Embedded Developer Needed Touchscreen UI for Motor Control (Arduino,Atmega or Stm)
Description: We are developing a prototype of a motor control system based on an existing PCB that uses an ATmega16 microcontroller. The current system controls...
Read moreCustom Firmware Development for ESP32/ESP8266
Project Title: Firmware Driver Development for Custom Hardware on ESP32/ESP8266 (Arduino/PlatformIO) Project Description: We have completed custom hardware deve...
Read moreRP2040 Mouse Spoofing Firmware
I need a fully-working firmware for an "Adafruit RP2040 board USB Type-A host" that can sit between a wired gaming mouse and the PC. Its job is to spoof the ori...
Read moreEarin M-2 Earbuds: Upgrade and Miniaturization
Custom TWS Earbuds Prototype - Earin M-2 Miniaturization** UNIVERSITY PROJECT: Redesign Earin M-2 earbuds SMALLER to reduce ear protrusion. CURRENT SPECS: 24×15...
Read moreUSB-Gamecontroller Umbau: Originaler Straßenbahn-Fahrhebel
Ich besitze einen originalen Fahr-/Bremshebel aus einer Bremer Niederflurstraßenbahn Typ GT8N. Dieser Hebel soll nicht als Sammlerstück, sondern als voll funkti...
Read moreCustom AI Music & Model App
I need a full-stack developer who can build an AI-driven application that lets me do two things in one place: first, generate complete music videos, and second,...
Read moreRaspberry Pi Pico GPS Clock
I need a GPS clock built using a Raspberry Pi Pico and a 7-segment display. The GPS module will be the ATGM332D. Key Requirements: - Utilize Raspberry Pi Pico a...
Read moreCircuito Potenza 230V Multiuscita
Ho già costruito alcuni prototipi di un circuito in grado di commutare un’unica linea da 230 V, 16–30 A, verso 4, 8 o 12 uscite; --senza perdita di potenza--, n...
Read moreComplete Cabled Weather Station Setup
Hello , I have a cabled weather station ready to go, but I need an experienced hand with the physical installation side only. The job covers everything from mou...
Read morePython RSSI Modbus Script
I’m running an InHand IG502 cellular gateway and need a focused Python add-on that exposes the unit’s current RSSI (raw dBm) as a holding register inside the bu...
Read moreArduino Code for RGB LED Trigger
I'm looking for an Arduino code that will trigger RGB LEDs to change color based on a pulse rotary dial input. Requirements: - Use of a pulse rotary dial - RGB...
Read moreShapr3D Enclosure Assembly Visualization
I’m putting together a compact two–tier electronic enclosure and I need the complete assembly modelled in Shapr3D so I can open, review, and tweak the layout my...
Read more