These days, 433-MHz RF transmitter/receiver modules are very popular with electronics hobbyists and tinkerers. These cheap short-range radio modules can be used with almost all microcontrollers for a ...
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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