Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, ... Out of the box, the Rev3 comes with three onboard methods of communication: serial, I2C, and SPI.

Watch the demonstration video below to learn more about Zola’s project which uses TX and RX transducers desoldered from an HC-SR04 module, together with a pair of Arduino Uno development boards ...

Additionally, the Uno features two extra pins, a duplicate of the A4 and A5 pins (meaning, they're internally connected), that you can dedicate for I2C/TWI communication.

Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

Pitting an Arduino Uno and an Arduino from 2009 against a Teensy 2.0, ... Once you’ve read and understood that, realize that serial communications over USB is also packetized; ...

Arduino intends to provide a public list of such libraries, with links to alternatives. To aid library developers in porting low-level code to the Renesas architecture, there is and early-adopter ...

Input and Output Each of the 14 digital pins on the Arduino Uno can be used as an input or output, using pinMode ... Serial: pins 0 (RX) and 1 (TX). Used to receive (RX ... (MOSI), 12 (MISO), 13 (SCK) ...

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.