Arduino is a ... shield” for the Arduino Uno platform available at a low cost from most internet suppliers. Here is a circuit diagram of the multifunction shield adopted from the web (updated a bit by ...

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 ...

The Arduino UNO R4 Minima ... speed offered by the UNO R4 Minima, the UNO R4 WiFi introduces a built-in 12×8 LED matrix, a Qwiic connector, and a VRTC and OFF pin. In terms of wireless ...