Build a simple slider crank driven mechanism controlled with Circuit Playground Express

Make your BOSEbuild speaker have AMAZING reactive sound!

Make a modern, futuristic instrument!

Spy themes are just cool. Code songs in MakeCode or CircuitPython so you can have one at the ready at all times!

Build an ultraviolet secret message decoder

Make a USB prank device using a Gemma M0 that will wiggle your victim's cursor every once and a while! Coded in MakeCode.

Clip 3d printed flowers onto an addressable Neopixel strand

Blow on this Circuit Playground Express-powered puffy cloud to light it up!

Ring in the New Year with a fun countdown clock that plays Auld Lang Syne! Doubles as a light-up party favor and noisemaker!

Create a Morse code signal display with Circuit Playground Express

Glitter, NeoPixels and music!

Use a Circuit Playground Express and stuff in your kitchen to build your own sound-activated snow globe.

Make faster and easier than ever with MakeCode, code.org CSD, CircuitPython or Arduino!

Just sync like they do it in the wild

Build a simple & silly radio communication system with the Micro:Bit!

Use infrared IR transmission to blast your targets -- all made with Circuit Playground Express!

Make a fancy, color changing Pixie Dust Bag with Circuit Playground Express!

A guide to using sensor data and events in MakeCode

Make the most of your NeoPixels on the Circuit Playground!

All you need to know to get coding with Microsoft MakeCode

When this deck of cards is tossed in the air, it reveals a secret audible Morse code message.

Create beautiful, expressive light paintings using the Circuit Playground for long exposure photography.

Add motion triggered sound and light effects to any prop with Circuit Playground