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Build and program three AI-powered robots using the ELECFREAKS Nezha Pro AI Mechanical Power Kit.
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Build Amazing Projects With Micro:bit

next-builderNext Builder

Almost everyone has seen images/videos of Theo Jansen's walking machine, the "Strandbeesten". Here I want to look at a simplified version.
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Walking Machine

agpcooperagp.cooper

Industrial 16-channel GPIO expander with MCP23017. DIN-rail mountable, optoisolated, addressable via I²C.
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Industrial GPIO Expander – MCP23017

diy-guy-chrisDIY GUY Chris

Learn by doing, explore the computer byte. Toggle in the bits and see their decimal, hex or octal value. Built-in game!
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8-bit Workbench ED: a STEM-kit on number systems

nijssenNijssen

Build a 15x10 transparent LED matrix with WS2812B pixels on flexible PCB. Arduino-powered with rainbow animations!
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DIY Transparent LED Matrix

diy-guy-chrisDIY GUY Chris

Building a home hifi component from scratch was a very early dream. There was finally an excuse to do it.
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Ultimate stereo amplifier

lion-mclionheadlion mclionhead

A compact digitally controlled RF 1.8 to 28 MHz platform for HF amateur. DSP mod/demod, integrated FT8 codec and FT8 QSO management.
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ESP32 HF QRP FT8 Transceiver

guido-iw5alzGuido - IW5ALZ

Network Lab
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Home_LAB

rhea-raeRhea Rae

Building Quantum Devices with Yb³⁺ Ions and the BSM-SG Model
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Yb³⁺ spectroscopy and qubit-control testbed

victor-pronchevVictor Pronchev

A pocket-sized front panel for the diagnostic tools you already use
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Scottina

scottskyScottsky

There has long been a dream of replacing all the floor mounted lighting with anything more practical.
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Ultimate lighting

lion-mclionheadlion mclionhead

A visual diagrammer that turns a node graph into a complete ESP32 Arduino/ESP-IDF web-server sketch. No toolchain.
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ESP-GenUI

geoffrey-wellsGeoffrey Wells

Open-source Twin USB Host Switch x Triple Hub. 4-layer KiCad 9, STM32 C++ firmware & OLED telemetry. Housed in snap-fit MJF Nylon.
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H₂H³ / Smart Twin USB Host Switch & Triple USB Hub

stefanstefan

Building a modern interpretation of a polyphonic modular analog synthesizer at the transistor level, inspired by early 1970s-80s designs.
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Polyphonic Analog Synthesiser

charlie-theobaldCharlie Theobald

Replacing the Litter Robot 2 control board
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LR2-redux

michaelmichael

I'm currently building a technical project that focuses on creating a browser-based multiplayer gaming platform.
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A Self-Hosted Browser-Based Multiplayer Game

emilyjacksongbemilyjackson.gb

Going up?

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