Switch & Relay Logic Circuits
A hands-on demonstration of binary logic circuits using only switches and relays. Circuits available for attendees to play with include a reconfigurable logic gate, a four-bit adder, a four-bit counter, a binary-to-decimal converter, river-crossing puzzles, and Ring the Bell, an IoT arcade machine based on the Chinese Ring Puzzle.
Maker
Stephen Emery
An electronics engineer with an interest in old-school switching logic.
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