UNO R3 ESP8266 Serial Board WiFi Expansion GPIO Board ESP-12E Development Board

Advantage 1 Without any knowledge of ESP8266 configuration can also be easily used2 10 support pwm interrupt serial i2c scalable gpio3 Compatible with UNO r3 configuration call syntax 4 Customize firmware by uno r3 update expansion board5 No need USB to TTL converter6 One button enters the brush writing mode without any wiring Feature 1 Fully compatible with Ard Uno Mega etc using standard pin interface spacing unless the standard size Ard such as Nano Mini 2 Using advanced 3 3V power chip same as the power chip of the official CC3000 expansion board the 3 3V provided in the Ard board is more accurate so that the ESP8266 works as the official cc3000 chip no gap 3 Introduce a WiFi module power service interface to facilitate developers to expand power and maintenance The onboard ESP8266 12 industrial grade stable serial WiFi module uses an enhanced PCB antenna for better signal 4 Quickly switch the operation mode such as operation mode and upgrade mode of ESP8266 12 industrial grade stable WiFi module through DIP switch integrate serial port chip and quickly write firmware Built in 5V to 3 3V TTL level shifter prevents high voltage Ard TTL levels from damaging the WiFi module General modules are not available 5 The onboard ESP8266 12 industrial grade stable WiFi module has a metal shield and is highly resistant to interference 6 Lead out all the interfaces of the onboard ESP8266 12 industrial grade stable WiFi module at standard spacing