Claudy 5V Relay Board (KLD_DUNWEI_CTRL)
Claudy 5V

Available from:

Install method:
USB to Serial

GPIO #Component
GPIO00 None
GPIO01 None
GPIO02 Relay 2
GPIO03 None
GPIO04 None
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 None
GPIO13 None
GPIO14 None
GPIO15 Relay 1
GPIO16 None
GPIO17 None

To enter flash mode connect GND to GPIO0 (pins are next to each other)