RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino 1/8 Inch Water Flow Sensor YF-S401 Craft and Jewellery online at

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Configure the SPI clock frequency between 1 and 10 MHz and initialize the module by writing the appropriate register values to set your desired frequency

RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino 1/8 Inch Water Flow Sensor YF-S401 Craft and Jewellery online atRF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino