This was build with Arduino 0022. At the moment it will not compile with Arduino 1.x.x. You need to install all used libraries (see links below) in your Arduino IDE ...

I'm going to use an ESP-01 module to control this, which is just about the smallest ESP8266 module you can find. It doesn't have a lot of available GPIOs to play with, but it does have GPIO2, which ...

[Andrew] wrote in with a new take on the classic persistence of vision bike spoke hack. While many of these POV setups use custom PCBs and discrete LEDs, [Andrew]’s design uses readily available ...