UNO R3 ESP8266 Serial Board Wifi Expansion GPIO Board

UNO R3 ESP8266 Serial Board Wifi Expansion GPIO Board is fully compatible with Arduino Uno, Mega, etc. using standard pin interface spacing. It has an onboard ESP8266-12 industrial-grade stable serial WiFi module, using an enhanced PCB antenna, the signal is better. The onboard ESP8266-12 industrial-grade stable WiFi module has a metal shield and is highly resistant to interference. It uses an advanced 3.3V power chip.

Features:

• Simple to use without any prior knowledge of ESP8266 settings 10 support GPIO with PWM, interrupt, serial, and I2C scaling
• Compatible with the calling syntax and UNO R3 configuration
• Built-in 5V to 3.3V TTL level shifter
• Using the Uno R3 update board, custom firmware can be upgraded.

Package Includes:

1 x UNO R3 ESP8266 Serial Board Wifi Expansion GPIO Board