Specs

  • ESP8266 with 4MB flash memory, ceramic antenna

image

Pinout

1 2
ADC IO16
RSV IO5
RSV IO4
IO10 IO0
IO9 IO2
MOSI 3.3V
CS GND
MISO IO14
CLK IO12
GND IO13
3.3V IO15
EN RX
RST TX
GND GND
5V 3.3V