[Christian] wrote in to tell us about his third-generation Arduino MIDI sequencer (translated) called the AM808 VX3. He had already laid a strong base for the project in his previous versions. But … ...

The control system is build around the simple Arduino shield shown to the right, which uses simple 74 series logic to send TTL control signals to the laser diodes used in his rig.

Taking the classic baby-8 style sequencer that step further, the addition of the arduino chip enables you program in more functionality, including multi directional travel and a keyboard. Don’t worry ...