ESP8266 Shield Board + 0.96 OLED Screen
This module uses the ESP8266 module as the core, cooperates with the voltage regulator circuit, USB TTL circuit and serial port download circuit to realize the SDK development of ESP8266 and Internet of Things function.
Working voltage: 5V (USB power supply)
Core chip: ESP8266 module (ESP-12F)
Expansion interface: 4Pin OLED