S2 Mini V1.0.0 Development Board (5325)
S2 Mini V1.0.0

Available from:


Install method:
USB to Serial

GPIO #Component
GPIO00 Button 1
GPIO01 User
GPIO02 User
GPIO03 User
GPIO04 User
GPIO05 User
GPIO06 User
GPIO07 User
GPIO08 User
GPIO09 User
GPIO10 User
GPIO11 User
GPIO12 User
GPIO13 User
GPIO14 User
GPIO15 LedLinki
GPIO16 User
GPIO17 User
GPIO18 None
GPIO19 None
GPIO20 None
GPIO21 User
GPIO33 User
GPIO34 User
GPIO35 User
GPIO36 User
GPIO37 User
GPIO38 User
GPIO39 User
GPIO40 User
GPIO41 None
GPIO42 None
GPIO43 None
GPIO44 None
GPIO45 None
GPIO46 None
Configuration for ESP32-S2
{"NAME":"S2 Mini v1.0.0","GPIO":[32,1,1,1,1,1,1,1,1,1,1,1,1,1,1,576,1,1,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],"FLAG":0,"BASE":1}

An ESP32-S2 dev board in D1 mini form factor.

When the board is booted into debug by holding BOOT and pressing the RESET button the USB-Serial chip on the USB port exposes a serial connection. This can be used to easily flash new firmware.


Flash using Tasmota Web Installer and select Tasmota ESP32-S2 option.

For esptool.py download i.e. tasmota32s2.factory.bin and run esptool.py write_flash 0x0 tasmota32s2.factory.bin

To put ESP32-S2 in flash mode GPIO0 needs to be pulled low.

Use Zadig to install WinUSB drivers to be able to flash S2 mini.


S2 Mini Pinout