Hi , guys could you please help me find how to make this usb port to detect your phone max voltage and charge it based on the max voltage . I know max is calculated as volts*amps= watts
The usb is listed below
http://www.arduino.in.th/product/308/dc-to-dc-step-down-5v-3a-usb-power-module
The usb is listed below
http://www.arduino.in.th/product/308/dc-to-dc-step-down-5v-3a-usb-power-module