ESP8266 Expansion Board to Expand Gpio Wifi Shield

Use standard pin interface spacing and for Uno, Mega, etc. to achieve full compatibility. (Unless the standard size, such for Nano, Mini) Adopt 3.3V power supply chip (the same as the official CC3000 expansion board's power supply chip), so that the 3.3V provided in the development board more, so that the ESP8266 as the official cc3000 chip to work properly, no gap. Leads to a WiFi module power/maintenance interface, easy to extend power supply and maintenance. Onboard ESP8266-12 industrial grade stable serial WiFi module with enhanced PCB antenna for better signal. Material: PCB colour: As shown Package Contents: 1 x ESP8266 expansion board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.