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Contents
Disclaimer...............................................................................................................................................................................3
1. Overview.............................................................................................................................................................................4
3 Size and pin definition......................................................................................................................................................... 6
4. Connect to MCU.................................................................................................................................................................8
5. Operating mode...................................................................................................................................................................8
5.1 Mode switching.........................................................................................................................................................8
5.2 Normal mode
6.1 Fixed transmission.................................................................................................................................................. 11
6.2 Broadcasting transmission...................................................................................................................................... 11
6.3 Broadcasting address.............................................................................................................................................. 11
6.4 Monitor address...................................................................................................................................................... 12
6.5 Reset........................................................................................................................................................................12
6.6 AUX description.....................................................................................................................................................12
6.6.1 Indication of UART output..........................................................................................................................12
6.6.2 Indication of wireless transmitting.............................................................................................................. 12
6.6.3 Configuration procedure of module.............................................................................................................13
6.6.4 Notes for AUX.............................................................................................................................................13
7.1 Command format.................................................................................................................................................... 14
7.2 Register description................................................................................................................................................ 15
7.3 Factory default parameter....................................................................................................................................... 17
8 Configuration instructions on computer............................................................................................................................ 17
9 Hardware design................................................................................................................................................................ 18
10 FAQ................................................................................................................................................................................. 19
10.1 Communication range is too short........................................................................................................................19
10.2 Module is easy to damage.....................................................................................................................................19
10.3 BER(Bit Error Rate) is high...............................................................................................................................20
11.1 Reflow soldering temperature...............................................................................................................................20
11.2 Reflow soldering curve.........................................................................................................................................21