This is a collection of Arduino projects that don't really deserve their own repository.
None of them are really maintained. Feel free to poke around and create pull requests if you have some improvment.
Simple "guitar" where I used a distance sensor to map distance to a tone and play it through a piezo. You can read more about this project on my blog.
Two neopixel rings, attached to a pair of sunglasses. Blog post
A simon says implemented on an Arduino.
A box to which I mounted a 4-digit LCD display and a distance sensor to.
RGB led that indicates when you get a new follower or someone likes your posts on Instagram. A two-part project with a webserver in Node.js and a Photon communicating with it.
A simple implementation of Pong for two players controlling the paddles with potetiometers. Using the TVout-library to display the game on a TV.
Paint an image with a NeoPixel strip and a camera with a long exposure.
Turn your keyboard into a sparkling disco show.
Make a radar using Arduino, plot your surroundings using processing.
Control Spotify or iTunes via an Arduino interface with an LCD displaying the current song.
Have neopixels light up with the rythm of music!
Paint those great 8x8 LED Matrices MAX7219 with our mouse - OR go one step further and use your iOS device!
Create a 7-Segment Display with Neopixels
A simple animation on MAX7219 I used in the Intagram post https://www.instagram.com/p/BdVzRKtln6V
Turns an Arduino JoyStick shield in to a PC game pad or second keyboard/mouse.
A simple proof of concept of the game breakout for the Arduboy
Turns your Arduino UNO in to a one-button keyboard using morse code.
Detecting motion with a PIR sensor, a NodeMCU communicates with a Philips Hue bridge to toggle the lights on or off (like the philips motions sensor).
Repurposing an old phone in to a time telling machine using Arduino Nano 33 IOT and DFPlayer Mini.