Waveshare NRF52840 - Page 3

NRF52840 Eval Kit User Manual
Vision: V1.0.1 Date: 2019.01.19 3 / 72
Hardware ........................................................................................................................................... 27
Chapter 6. SPI ........................................................................................................................................... 29
Loopback testing ............................................................................................................................ 29
Drive OLED ........................................................................................................................................ 30
Hardware ........................................................................................................................................... 31
Chapter 7. I2C ........................................................................................................................................... 33
Scanning Slave devices ................................................................................................................. 33
Read data from BME280 .............................................................................................................. 33
Read data from MPU6050 ........................................................................................................... 37
Hardware ........................................................................................................................................... 38
Chapter 8. NFC ......................................................................................................................................... 41
Codes .................................................................................................................................................. 41
Hardware ........................................................................................................................................... 43
Chapter 9. Bluetooth .............................................................................................................................. 44
Preparation........................................................................................................................................ 44
Install softdevice ............................................................................................................................. 44
Bluetooth serial transparent ....................................................................................................... 44
Bluetooth against losing .............................................................................................................. 47
Bluetooth Beacon (Support WeChat Shake) ......................................................................... 49
Wireless Mouse ............................................................................................................................... 52
Wireless Keyboard .......................................................................................................................... 53
CSCS .................................................................................................................................................... 55