RF-WM-3220B1
Shenzhen RF-star Technology Co., Ltd.
Page 28 of 37
Select “GPIO” and click “+ Add”
Remove the select of
“GPIO Signals”
Select “GPIO2” and “GPIO5”, and choose the corresponding IO type
Select “UART” and click “+ Add”
Remove the
select of “UART Signals”
As the pin numbers of GPIO03 and GPIO04 are 58 and 59 respectively, just select the corresponding pin as shown.