Simple software I2C-master implementation. Like any other I2C it uses two wires to communicate with slave devices: Serial Data Line (SDA) and Serial Clock Line (SCL). But it is not limited to the use ...

I 2 C timing diagram is depicted in Figure 6. Figure 6. I2C Timing diagram SPI Interface Specification During the transfer of SPI, a general-purpose synchronous serial interface, data transmission and ...

Hardware Setup: Connect the components as per the wiring diagram. Ensure the RFID module is properly connected to the Arduino's SPI pins. Connect the I2C LCD display to the Arduino's I2C pins (SDA and ...