A very small single chip FM receiver module found in many portable media players. Based on the AR1010 IC from Airoha, the FM receiver uses a simple command set over an I2C or SPI interface. Crystal and supporting components are all on board, all you need to attach is an antenna.
Features:
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The RFM22 is a low-cost ISM FSK transceiver module which offers communication at 433MHz ISM and adjustable output power of up to +20 dBm. What does that mean for you? It means your Arduino now has an inexpensive way to talk to other Arduinos so building point-to-point and even basic mesh networks ju..