Chess board step sequencer

[tinkartank] wrote in to tell us about the chess board step sequencer he built. It’s a great piece of work that combines the wonderful classical erudition a set of chess pieces confers with modern technological musical equipment such as a monome.

The build began by routing small holes underneath each square and fitting very small and fragile reed switches. Sixty four of these switches are wired into rows and columns then attached to the digital inputs of an Arduino Mega. To close these reed switches, magnets are implanted into the base of each chess piece so whenever a piece is on the board is moved a circuit closes.

On the control side of things, [tinkartank] built a very nice control panel to change the key being played*, the tempo, an ‘arpeggio dial,’ number of steps, and if there is a whole or half step in between notes. With this control panel, [tinkartank] can play just about any scale.

How does it sound? Well, the Arduino Mega outputs MIDI so realistically it can sound like anything imaginable. From the video demo (available after the break), we really like the interface and a reed switch array chess board is slowly climbing up our ‘to build’ list, if only for all the cool stuff you can do with one.

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