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44% OFF Geekcreit® HC-12 433MHz SI4463 Wireless Serial Module Wireless Transceiver Transmission Serial Communication Data Board Remote 1000M US$8.99 US$15.99 View It

Overall:

mooond 30/08/2018

and easy to use in arduino: const byte HC12RxdPin = 6; // Recieve Pin on HC12 (=tx on arduino) const byte HC12TxdPin = 5; // Transmit Pin on HC12 (=rx on arduino) const byte HC12SetPin = 4; SoftwareSerial HC12(HC12TxdPin,HC12RxdPin); digitalWrite(HC12SetPin, 0); HC12.begin(9600); HC12.print("AT+C2\r\n"); digitalWrite(HC12SetPin, 1); HC12.print("hello out there\r\n");

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