eBay - NRF24L01- 2.4GHz RF Wireless Transceiver Module For Arduino
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The nRF24L01 is used on a wide variety of applications that require wireless control. They are transceivers which this means that each module can transmit and receive data. Learn how to use the nRF24L01 transceiver module with the Arduino: Complete Guide for nRF24L01 – 2.4GHz RF Transceiver Module With Arduino