#ESP32
13 postsMixxtape - the first boards, and what went wrong
The first 20 Mixxtape boards arrived from JLCPCB. One boots, the voltage regulator overheats, and there is a list of changes for version two.
Read postMixxtape - a cassette you can actually record on
A cassette-shaped PCB, sized to fit a real Norelco case, that actually records
Read postGlitch in the CounterProductive Button – June 28 to July 4
The CounterProductive button went offline June 28 to July 4, 2025 after a WiFi and MQTT failure, and version 5 adds a backup server.
Read postTetragonal Trapezohedron Retrospective
Retrospective of a Tetragonal Trapezohedron lamp built from eight kite-shaped LED PCBs welded together.
Read postSeeed Xiao ESP32-C6 using Adafruit CircuitPython 9.1.1 blink sketch
How to get a Seeed Xiao ESP32-C6 board up and running with Adafruit CircuitPython 9.1.1 and blink an LED.
Read postPCB Metro maps retrospective
Retrospective of the Vancouver SkyTrain and Washington DC Metro PCB maps with LEDs that light up as trains arrive.
Read postIdea 050 - Tessellating Illuminated Origami Wall Sculpture
An interactive origami tessellation wall sculpture with an individually addressable RGB LED in each cell.
Read postIdea 046 - Cherry Blossom Timelapse
Time lapse videos of the cherry blossoms blooming in the park, shot on a GoPro, a Raspberry Pi camera and a Sony a6400.
Read postIdea 019 - Big Red Button
Idea: labeled buttons installed around the city to see which ones people push the most.
Read postIdea 016 - Lego RGB Addressable LED blocks
Idea: addressable RGB LEDs for Lego builds, with the Lego bricks acting as light pipes.
Read postIdea 002 - Keyboard Flute
Idea: an electronic flute PCB the size of a ruler with hot-swappable keyboard switches, a MEMS mic for breath control, and an ESP32.
Read postMay 2018 brain dump
May 2018 grab bag of links: pen plotters, ESPEasy firmware, the TWANG dungeon crawler, and a wooden lego planter.
Read postNotes from May 2017
May 2017 links: ESP32 sniffers, a giant laser-cut Bulbasaur, an 8-bit computer from scratch, Big Poop Data, and the BLACK 2.0 paint.
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