Bigtreetech WiFi module

Specs

  • ESP8266 in ESP12 format with 4MB flash memory, ceramic antenna, 16 pins

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Pinout

1 2
RST TX
ADC RX
EN IO5
IO16 IO4
SCK(IO14) IO0
MISO(IO12) IO2
MOSI(IO13) IO15
3.3V GND