Recent Projects

ESP32-S3 runs ZKE EBC battery tests for days without a PC, logs to SD and serves a web UI. Build your own from modules.

EBCTester V2 – Brain for ZKE Battery Tester

thomas-stoll Thomas Stoll

A clever ESP32-S2 tool cat, that remembers usernames and passwords, supports FIDO2, generates TOTP codes, and runs MicroPython apps.

TORQNYA-S2 -- Your Pocket-Sized Maker Companion

Help develop an open-source inline coffee TDS sensor with a prism, LED and camera, then test it with crema, bubbles and particles.

Open Coffee TDS – Inline Refractometer

Utilizing advanced, open-source multi-tier material architectures transforming the traditional stator coil into low-energy magnetic valve

SS-RFVM: A Solid-State Reluctance Flux-Valve Motor

jay-lunke Jay Lunke

A low-cost SDR receiver. Powered by CH32V467, targeting 1MHz-4GHz, 10-bit ADC, and up to 20MHz bandwidth via USB HS.

SDR32 - A Modern RTL-SDR Alternative

synapse Synapse

Tiny ESP32-C3 desk pet with an animated cat face on a round screen. 8 emotions, touch reactions, and a joystick remote.

Desk Cat Robot

yumobuilds YUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.

YUMO PULSE — ESP32-C3 Desk Gadget

yumobuilds YUMO.BUILDS

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuilds YUMO.BUILDS

7-segment displays A hand-bent brass wire sculpture, clock powered by ESP32-C3 with NTP time sync.

YUMO GLOBE - Digital Clock

yumobuilds YUMO.BUILDS

An ESP32-powered desk gadget with six round displays, with one touch its start spinning.

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS

An open-source Bluetooth 6.0 kit that tells you not only that something is nearby, but where it is: distance and direction from a single Hub

findMe Tag + Hub. An open source development kit

charlotte-matzner Charlotte Matzner

Visual aid for testing follower robots

Rear view glasses

lion-mclionhead lion mclionhead

Linux support for the Thermaltake LCD Panel Kit

TTLCD

Your new and intelligent and portable accomplice.

Crime Assistant 1.0

A portable device for passively detecting LiDAR, ALPR cameras, and more!

LiDAR Detector

A modular, XYZ Stage-Mountable PicoEMP Remix

GlitchCaster