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M-Bus interface for heat meter
Ptukha Jan 22,2026
M-Bus interface for Ultraheat T230\T330 ultrasonic heat meters.
8th Design Contest-AIoT Project
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STM32F411RET6 Flight Controller
Chamath Jan 20,2026
Open-Source STM32F411RE Flight ControllerThis project is a compact 50 mm × 50 mm STM32-based Flight Controller PCB developed for researchers, university students, and academic laboratories working on experimental control, UAV, and robotics applications.The design exposes a rich set of communication interfaces, including UART1 and UART6 for telemetry, debugging, or peripheral expansion, along with SPI2 and I2C3 for high-speed sensors and external devices. An onboard I²C EEPROM (M24C02) provides n...
Robotics Microcontroller STM32
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Compact Motion Controller for Competitive Robotics
Maa Jan 17,2026
HMotion is a purpose-built controller PCB designed to simplify and strengthen robotics projects where reliability, speed, and compactness matter most. Created with competition-focused robots in mind, such as line followers and mini sumo robots, this board brings motor driving, sensor interfacing, and control logic together into a single, well-organized platform.At the heart of HMotion lies the ATmega328P-AU, making the board fully Arduino-compatible while still offering the flexibility of a cust...
8th Design Contest-Electronic Project IFX9201SG motor driver IOT
434
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AI-Powered Smart Home
William Jan 16,2026
Technical Project Report: Smart Home Controller SystemLead Engineer: Engr. Wagih William1. Project Overview & Problem StatementThe "Smart Home Controller" is an integrated IoT solution designed to transform traditional manual home management into an automated, energy-efficient system.Challenges Addressed: High energy consumption due to lack of monitoring, manual operation of high-voltage appliances, and absence of real-time environmental feedback.Objectives: To centralize control, enhance us...
8th Design Contest-Electronic Project ESP32 IOT
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RK3576 SBC V1.0
Elbhoty Jan 14,2026
I'm proud to share my latest High speed PCB,and the Second Board of my custom SBCs.Link for my First SBC.Assembly video at my house.And this is a video for testing.*SBC_RK3576_V1.0A fully custom-designed Single Board Computer based on the Rockchip RK3576,built from scratch – schematics, layout.The board is designed for industrial use,AI applications, and advanced embedded applications.Big thanks to PCBWay for sponsoring this project!Key Features:10 Layers PCB only TH Via.Stack-Up:1-Signal / 2-GN...
8th Design Contest-AIoT Project DIY IOT
2099
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RoboCore 2.0 - ESP32-S3 Robotics Controller
Vishwajith Jan 09,2026
RoboCore 2.0 – ESP32-S3 Robotics Controller BoardRoboCore 2.0 is my second-generation robotics controller board, designed as a compact and reliable platform for small mobile robots.It focuses on stable power delivery, clean signal routing, and easy debugging, making it a solid controller for future robotics projects. Main Use CasesDifferential-drive robot controllerLine-following + PID speed controlIMU-based motion / balancing experimentsMulti-sensor robotics platform3D PCB View:PCB Front Layer:...
8th Design Contest-Electronic Project IOT Robotics
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Green Pill Nano: 1 uA sleep current, 10x RAM, real debugging, Arduino Nano Form Factor
Jan 08,2026
The original Arduino Nano is a classic, but it’s showing its age. Between its 32KB Flash limit, 2KB RAM, and a power-hungry 15mA sleep current, it’s nearly impossible to use for modern, long-term IoT sensor nodes or advanced battery-powered projects.I designed the Green Pill Nano to be the ultimate upgrade. It maintains the familiar Pin-Compatible footprint but introduces massive performance leaps:  - True Ultra-Low Power: Achieves a 1μA sleep current, allowing it to run for years on a...
Arduino IOT stm32
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AI-driven LoRa & LLM-enabled Kiosk & Food Delivery System
Aktar Jan 07,2026
After scrutinizing pioneering research papers on AI-powered applications and improvements for restaurant food preparation and delivery, I had become fascinated by the prospects of AI-oriented solutions in the food service industry. Thus, I have started to conceptualize a state-of-the-art restaurant from the ground up to not only employ AI-assisted solutions to enhance a preexisting restaurant workstation in limited aspects to automate food preparation and service procedures, as extensively cover...
8th Design Contest-AIoT Project Robotics 3D printing
3729
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Racool Crowd density and air quality PCB
Jan 07,2026
What is Racool?The project originated as a collaborative university assignment focused on developing a functional PCB with a real-world application. After the team phase, I continued improving the design independently to turn the prototype into a more complete, deployment-ready solution.Now why this name? I'll let you guess :PRacool is a system built to monitor crowd presence, CO2 levels, and temperature in enclosed public spaces such as trains, buses, and public buildings while fully preservin...
8th Design Contest-Electronic Project ESP32 IOT
340
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MDB ESP32 GPS/LTE-M/NB-IoT Cashless Device
Jan 06,2026
This is an open source project dedicated to implementing the MDB (Multi-Drop Bus) protocol for cashless vending machines, using ESP32 as the main platform and KiCad for PCB design. The MDB protocol is widely used in vending machines for communication between devices, enabling integration with cashless payment systems.SIM7080G (LTE Cat-M / NB-IoT) for IoT connectivity and remote telemetryDEX interface (with voltage protection >3.3V) ensuring safe communication with legacy vending systemsI2C bu...
IOT ESP32 8th Design Contest-Electronic Project
2022
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Popular Project
Bruce RF Reaper PCB
Explore!https://bruce.computer MCU ESP32 S3 N16R8BATTERY 1000MAH6 WAY BUTTONAW9523 IO EXPANDERNRFCC1101 433MHZNFC ST25R3916VIBROBUZZERIR TX RXIBUTTONSDCARDLEDGPSFLIPPER ZERO HEADER COMPATIBL...
The Sesame Robot Project
What is Sesame?Sesame is a 3D-printable quadruped robot powered by an ESP32. It runs on 8 MG90S metal-gear servos (two per leg) and features a 128x64 OLED display for a face. It walks, dances, waves, ...
Self-Balancing Robot PCB
This is the PCB for the self-balancing robot seen in this video: https://youtu.be/K1lzzVGCzAQModel can be fully 3D printed at this link (zero supports required): https://www.printables.com/model/15335...
AERIS-10 Open Source Phased Array Radar
The AERIS-10 is a low‑cost open‑source phased‑array radar platform designed for makers, researchers and educators. Operating around 10.5 GHz, the system can detect and track multiple objects at ranges...
AI-driven LoRa & LLM-enabled Kiosk & Food Delivery System
After scrutinizing pioneering research papers on AI-powered applications and improvements for restaurant food preparation and delivery, I had become fascinated by the prospects of AI-oriented solution...
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