Fully compatible with Ard Uno, Mega, etc. using standard pin interface spacing.
Using advanced 3.3V power chip
Lead a WiFi module power/service interface to facilitate developers to expand power and maintenance.
Onboard ESP8266-12 industrial grade stable serial WiFi module, using enhanced PCB antenna, the signal is better.
Built-in 5V to 3.3V TTL level shifter to prevent high voltage Ard TTL level from causing damage to the WiFi module.
The onboard ESP8266-12 industrial grade stable WiFi module has a metal shield and is highly resistant to interference.
Lead out all the interfaces of the onboard ESP8266-12 industrial grade stable WiFi module at standard spacing.
Size:53.4mm*68.6mm
With a stackable design,other modules can be accumulated on top for easy use
The on-board 4 LEDs display the status of the ESP8266,which are PWR,DFU,AP,STA,and the operating mode at a glance.