Plastic Housing Photo Interrupter Kidney Stone players take on the roles

players take on the roles of famous inventors from the turn of the last century like Nikola Tesla and Marie Curie

Because this is NIGHT CITY

RCA Plug to 2 x RCA Plugs Audio Lead

Mystical keychain shaped like a lucky black cat

Assorted coloured magnets for holding items on to whiteboards

Plastic Housing Photo Interrupter Kidney Stone players take on the rolesThis device enables you to turn a circuit on and off optically. It consists of a moulded plastic housing with an IR LED facing a phototransistor across a gap. Any object in the gap will interrupt the IR beam and consequently switch the phototransistor on and off. The device is very fast and ideal for counting, timing or sensing. Full specs supplied with each unit. FEATURES: PCB or chassis mounting Low cost Rugged one piece construction Very