ARDUINO COMMUNICATION PROTOCOLS ( SPI, I2C, UART, PWM )

ARDUINO COMMUNICATION PROTOCOLS 

( SPI, I2C, UART, PWM )

DIGITAL INPUT/OUTPUT PINS:

D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,D10,D11,D12,D13.

ANALOG INPUT/OUTPUT PINS:

A0,A1,A2,A3,A4,A5.

PWM( PULSE WIDTH MODULATION) PINS:

D3,D5,D6,D9,D10,D11.

I2C(INTER INTEGRATION CIRCUIT) PINS:

A4(SDA), A5(SCL).

SPI(SERIAL PERIPHERAL INTERFACE) PINS:

D10(CSN/SS), D11(MOSI), D12(MISO), D13(SCK).

UART(UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER) PINS:

D0(RX), D1(TX).