Mini NRF24L01 + 2.4GHz RF Wireless Module SMD 2.4G Receiver Transceiver Board
7,64 €
When connecting with the P0 port of the 51 series single-chip microcomputer, a 10K pull-up resistor needs to be added, and it is not necessary to connect with the remaining ports. If it exceeds 10mA, it needs to be divided by a series resistor, otherwise it is easy to burn the module!
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