Fig. 1 shows the circuit diagram of the remote control tester. It is built around infrared (IR) receiver module TSOP1738 (IRRX1), a pnp transistor BC557 (T1) and some other components. A buzzer ...
RF Solutions has created a single-channel remote control problem-solver that can switch up to 1kW of mains load. Called RF Ferret, it has a 21 x 76mm footprint and uses change-over relay as an output.
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