Compile and upload this sketch to the board. Open the USB Serial Monitor at 115200 baud.
//Aquí conectamos los pins RXD en pin#5,TDX en pin#4 del módulo Bluetooth. const int AIA = 6; // (pwm) pin 6 conectado a pin A-IA const int AIB = 5; // (pwm) pin 5 conectado a pin A-IB const int BIA = ...