A former South Park deli has been taken over by fish. Richard Obrzud and Mario Werniewski recently opened Fish Time, a new market at 703 Devon Ave. specializing in fresh catch from the sea. The shop, ...
The project makes use of a monostable 555 timer circuit and a relay to drive the load in order to create an aquarium feeding timer. The setup of the circuit is a one shot trigger or timer where the 55 ...
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