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  1. Inter-Integrated Circuit (I2C) Protocol | Arduino Documentation

    The I2C protocol is supported on all Arduino boards. It allows you to connect several peripheral devices, such as sensors, displays, motor drivers, and so on, with only a few wires.

  2. Connecting Two Nano Every Boards Through I2C - Arduino Docs

    Jul 17, 2024 · In this tutorial we will control the built-in LED of an Arduino Nano Every from another Arduino Nano Every. To do so, we will connect both boards using a wired …

  3. Wire | Arduino Documentation

    Aug 5, 2025 · Due to the hardware design and various architectural differences, the I2C pins are located in different places. The pin map just below highlights the default pins, as well as …

  4. Inter-Integrated Circuit (I2C) | Arduino Documentation

    Dec 17, 2024 · I2C is a highly efficient protocol that enables multiple devices to communicate on just two wires. In this example, we demonstrated how to read data from an I2C-connected …

  5. I2C | Arduino Documentation

    Jun 13, 2022 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.

  6. I2CScanner | Arduino Documentation

    Nov 29, 2018 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.

  7. Adafruit BusIO | Arduino Documentation

    Jul 1, 2025 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.

  8. Arduino UNO R4 WiFi Qwiic Connector

    Oct 7, 2025 · We've learned about how I2C works, and how that relates to Qwiic. We've also learned how the Arduino UNO R4 WiFis Qwiic connector is configured and how to make use …

  9. Arduino GIGA R1 User Manual

    Learn how to set up the GIGA R1, get a quick overview of the components, information regarding pins and how to use different Serial (SPI, I2C, UART), and much, much more.

  10. Connecting Two Nano 33 IoT Boards Through I2C - Arduino Docs

    Jul 17, 2024 · In this tutorial we will control the built-in LED of an Arduino Nano 33 IoT from another Arduino Nano 33 IoT. To do so, we will connect both boards using a wired …