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ESP-01D Module
Model reference: ESP-01D
ESP-01D

Available from:
Aliexpress.com
Banggood.com
Alibaba.com




Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 None
GPIO03 User
GPIO04 User
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 User
GPIO13 None
GPIO14 User
GPIO15 None
GPIO16 None
GPIO17 None
Configuration
{"NAME":"ESP-01D","GPIO":[1,1,0,1,1,0,0,0,1,0,1,0,0,0],"FLAG":0,"BASE":18}

Tiny ESP8285 module 13.5x8.5x2.6mm with 2MB memory. Does not have a PCB antenna. Identical form factor and pinout as Tuya TYLC5 module.

Serial Flashing

Pinout

Datasheet