Showing posts from November, 2018

Toilet light wall

LED screen made of empty toilet rolls Why ? The first idea was to reuse empty toilet rolls and make some fun with arduino and some LEDs. After gluing first block (4x3 LEDs connected to Arduino Nano), I've decided that it would be cool to control it right from the android. So I've added one BT adapter and created an android app. As the time went by, another empty toilet roll appeared. So I've built one block after another... After some time I've set my goal to have 4x4 blocks all together (192 LEDs). As the blocks were adding, the functionality of android app was also rising. first 6 blocks What it can do ? Because it is quite straightforward from the video below, let's just briefly list the features from an android app: draw (real-time) toggle random LED (screen saver) animation (includes also editor for key-frame animation) font loop incoming sound simple game using accelerometer front view  Was there something interesting ? Aside fro