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ESP-01S Module
Model reference: ESP-01S
ESP-01S

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


Manufacturer:
Ai-thinker.com

Install method:
USB to Serial

GPIO #Component
GPIO00 User
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 None
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 None
GPIO13 None
GPIO14 None
GPIO15 None
GPIO16 None
FLAG None
Template (old version)
{"NAME":"ESP-01","GPIO":[255,255,255,255,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":18}

Differences between ESP-01 and ESP-01S

Pinout Wiring

You can purchase (AliExpress, Amazon, Banggood) a test board for eforless flashing. Just drop the module in, plug in the USB cable and flash!

Test Board