ESP8266 is an ultra-low power UART-WiFi module. It has excellent dimensions and ULP technology compared to other similar modules. The module is special design for mobile devices and Internet of Things . Once firmware is upgraded to the appropriate version, a compatible Android device can run the IOT.APK to do the following:control the PWM, I/O pin, or Serial communication. For example,you can control this module with your mobile phone then to control the light and IO pin.
All usable pins are available on board
Three channels PWM
Six I/O pins
One high speed serial port
low power consumption, suitable for battery-powered applications
Single 3.3 V power supply
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