i2C Communication with Arduino UNO (Master) and 2 Slaves (Arduino Mega and Arduino NANO) Project to connect 3 Arduinos using I2C. The Fritzing file is available to those that wants to try at home.

2: Be careful where serial prints are used in the arduino code. They corrupt the data being sent over i2c due to the interrupt service routine.

The DS3231 RTC communicates with Arduino using the I2C communication standard, having the fixed device address of 0x68. I squared I2C interface has been standardised in such a way that there can be ...

I2C Universal MosFET 2A fused AC/DC OptoCoupler board for ESP32 / Arduino 16 channels, Toshiba PHOTORELAY 100V no clicking, no signal bounce. Switch signals on/off, 2 Amps DC or AC using I2C bus. IO ...