433 MHz Arduino Fernbedienung UART PC USB RF Wireless Relais Controller PT2262
12,68 €
//Arduino 1.0. //Arduino uno R3. Inter-locking (Latch): 4-way relay each other to switch, when relay A is working and locked, relay B C D corresponding to switch off; when B is working and locked, corresponding relay A C D swith off ; Only 1 relay is on among 4 relays A B C D;.
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