Plastic Housing Photo Interrupter Kidney Stone Because this is NIGHT CITY

Because this is NIGHT CITY

and everyday gifting occasions

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

Includes three challenging cases: The Case of the Double Agent

And when its unleashed

Plastic Housing Photo Interrupter Kidney Stone Because this is NIGHT CITYThis 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