and additional SDA and SCL pins. Since the discontinuation of the original and Rev2 boards, the Rev3 has become the face of the Uno family and the Arduino brand in general. In fact, it's ...

Some beginner-friendly Arduino Uno projects you can get started with ... and their A4 and A5 pins both double as SDA and SCL pins for I2C/TWI communication. However, the Nano offers a slight ...

Each of the 14 digital pins on the Arduino Uno can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive ...

Adafruit has this week announced the arrival of the new Arduino compatible TCA9548A ... eight devices on the same address on the same SDA/SCL pins hooked up to one microcontroller.