Each of the 14 digital pins on the Arduino Uno can be used as an input or output ... In addition, some pins have specialized functions: Serial: pins 0 (RX) and 1 (TX). Used to receive (RX) and ...

It's like a shrunken version of the Arduino Leonardo as it features the same ATmega32U4 microcontroller, micro-USB port, and pinouts ... and EEPROM of 1 KB. Its bootloader only consumes 2 KB ...

Since the interrupt signal comes from outside the Arduino it is called as external interrupt. Arduino Uno R3 has two external interrupts: int.0 (pin 2) and int.1 (pin 3). While connecting a RT to ...

What Uno represents is a different milestone that the company was set to celebrate: the much-awaited release of the Arduino IDE version 1.0. Both the ... the two boards' pinouts are that the ...