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ESP-M3 Module (ESP-M3)
ESP-M3

Available from:
Aliexpress.com
Amazon.com
Amazon.de
Banggood.com


Manufacturer:
Github.com

Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 User
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 None
GPIO13 User
GPIO14 User
GPIO15 None
GPIO16 User
GPIO17 None
Configuration
{"NAME":"ESP-M3","GPIO":[1,1,1,1,1,0,0,0,0,1,1,0,1,0],"FLAG":0,"BASE":18}

Onboard blue LED is connected to GPIO2.

Pinout

Datasheet