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New 433Mhz HC-12 SI4463 Wireless Serial Port Module 1000m Replace Bluetooth(China (Mainland))

The HC-12 is  a serial bridge on the 433MhZ band. It is a Hope SI4463 integrated with a microcontroller that allows very a simple  AT protocol for serial communication. For this band the range is incredibly good.

The device is simply a serial link as as such needs only a spare UART. The library here however allows for access to the AT command so that various modes can be used.

// #include "http://www.byvac.com/mBlib/flb/Library/2016/lib_HC12.bas"