diy projects
CircuitPython POV Bike Wheel: Floating Images on 6 LED Strips
Six DotStar strips, a Feather RP2040, and a magnet sensor make a bike wheel draw images in mid-air. See how the timing trick works…
diy projects
AIR PRO: Pip-Boy Air Quality Monitor on Qualia S3 + SEN66
A wooden Pip-Boy box reads CO2, PM, VOC and NOx every 2 seconds and shows one word for air quality. See how the Qualia…
microcontrollers
AiboJam Revives Sony’s Discontinued AIBO on a $40 Fruit Jam Board
Sony's discontinued AIBO comes back as a CircuitPython recreation on a $40 RP2350 board, complete with 49 motion clips and native 3D rendering.
microcontrollers
CircuitPython 11.0.0-alpha.1 Adds RP2350 Sleep Alarms
CircuitPython 11.0.0-alpha.1 adds RP2350 deep-sleep alarms, wake-on-pin support, and faster USB. Here's what changed and how to flash it this weekend.
diy projects
Prop-Maker FeatherWing: Add Lights, Sound and Motion to Props
One FeatherWing puts a 3W class-D amp, a NeoPixel port, an RGB LED driver and an accelerometer on your Feather, so a prop reacts…
microcontrollers
Add a CircuitPython Watchdog So Your Build Reboots Itself
A frozen microcontroller mid-demo is fixable in ten lines. The CircuitPython watchdog module lets your board detect its own hang and reset itself.
diy projects
Build a Digital Nose: an SGP30 Sensor That Sniffs Out Spoiled Milk
Your nose gives a yes-or-no answer. An SGP30 gas sensor gives you a number you can plot, and the whole freshness checker is a…
diy projects
Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather
Paper-mache horns lined with 4 mm NeoPixel strip, an RP2040 Prop-Maker Feather reading your head gestures, and two animations that answer with fire.
diy projects
Build a Classroom Robot with Adafruit CRICKIT and CircuitPython
One CRICKIT board turns a Circuit Playground or Feather into a motor-driving, servo-swinging robot brain, no soldering iron required. Here's how to start.
diy projects
SPOKE: The RP2040 Touch Controller That Plays Music From Fruit
The SPOKE is a CD-shaped RP2040 board with 27 capacitive touch pads that turns copper tape, pencil lines, or even fruit into a playable…
diy projects
Voicebox FX: A Pocket Audio Looper on the Feather RP2350
Adafruit's Voicebox FX records 20-second clips and warps them live with pitch, reverb and delay, all running CircuitPython on a Feather RP2350.
microcontrollers
CircuitPython 10.3.0 Alpha 4 Brings Audio Effects to RP2040
CircuitPython 10.3.0-alpha.4 adds new audio effects to RP2040 and RP2350 boards, three settings.toml keys, and an SPI baudrate change worth knowing.