forArduno MCU 4 Channel Transmitter Module Control 4 PCS 1 CH Relay Receiver Kit
24,45 €
(The popular link is like this: MCU -> Encoder -> Transmitter ------ Receiver -> Decoder -> MCU. PT2262(Encoder) are optional, their existence is to 1)avoid confusing when multiple RF links in range 2) isolate disturbance.
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