Software I2C library implementation for Arduino. ... XantoI2C i2c (PIN_SCL, PIN_SDA); void sendSomeCommand ... just plain clear code corresponding to the timing diagram; It can communicate with I2C ...

I then outputs via I2C a HIGH (value 0 - different to Arduino) to turn ON the LED. If the above statement seemed a bit odd, remember that the PCF8574 will SINK the current, not source it, so we have ...

The following image shows how to connect an I2C OLED module with the Arduino board. The connections are very simple, connect the GND pin to the GND pin of the Arduino and VCC to the 5V pin. The SCL is ...

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

Arduino has announced four new Nano boards with WiFi, Bluetooth, a crypto chip, and/or plenty of sensor in the familar Arduino Nano form factor. ... 2x 15-pin expansion headers with GPIO, SPI, I2C, ...