Welcome to the Arduinoworld
SCL SDA indicate I2C bus, you need to read about these commands - Wire - Arduino Reference -
an in depth description - Gammon Forum : Electronics : Microprocessors : I2C - Two-Wire Peripheral Interface - for Arduino -
Welcome to the Arduinoworld
SCL SDA indicate I2C bus, you need to read about these commands - Wire - Arduino Reference -
an in depth description - Gammon Forum : Electronics : Microprocessors : I2C - Two-Wire Peripheral Interface - for Arduino -