Shenzhen Ogemray Technology Co. Ltd WF7681KMX 用户手册

1. Introduction............................................................................................................................................................... 1

1.1 Profile................................................................................................................................................................1

1.2 Features............................................................................................................................................................. 1

1.3 Block diagram...................................................................................................................................................2

1.4 Outline...............................................................................................................................................................3

1.5 Specification..................................................................................................................................................... 4

1.6 Pinout configuration......................................................................................................................................... 6

1.7 Characteristics...................................................................................................................................................7

2. Reminds to hardware design................................................................................................................................. 8

2.1 Application........................................................................................................................................................ 8

2.2 GPIO Descriptions............................................................................................................................................ 8

2.2.1

LED Display......................................................................................................................................9

2.3 UART interface................................................................................................................................................. 9

2.4 Power supply.....................................................................................................................................................9

2.6 Dimensions................................................................................................................................................... 13

2.7 Clear place to use the module.................................................................................................................. 13

3.Software descriptions............................................................................................................................................. 14

3.1 AT command.................................................................................................................................................14

4.Certificate and Approval.........................................................................................................................................15

5.Disclaimer.................................................................................................................................................................15