The MIDI DRUM is a finger-activated drum machine to create MIDI-based percussion sounds. The unit comprises two main parts – a life-sized hand template and a controller – that together react to finger touch and output a unique set of drum sounds to the MIDI interface.
Each finger ‘pad’ can be programmed to sound one of a large number of standard percussion presets (House, Rock, Folk and Jazz) such that an entire drum set can be presented. For instance, a standard drum set setup could comprise the thumb for base drum, first finger for the hi-hat, second finger for the snare, third finger for a tom and small finger for a crash cymbal. The combination of the rotary encoder/switch and LCD display provides control and selection of voices for each finger as well as setting and recovery of user-settings. In addition, the display also shows graphics of real-time activation of each of the finger pads.
The unit is built around an Arduino Nano with a rotary encoder/switch, a two-line LCD and MIDI interface, along with the interface to the passive capacitvely-coupled hand plate. The device is powered using a standard 9V DC power supply.