Wire.h Library For Arduino | Download ((link))

: If the board is correct and the error persists, your IDE installation might be damaged. The best fix is to download a fresh copy of the Arduino IDE and reinstall it.

Because I2C uses open-drain lines, both the SDA and SCL lines (typically 4.7kΩ to 10kΩ) connected to the VCC power rail. Most commercial sensor breakout boards (like those from Adafruit or SparkFun) have these pull-up resistors pre-installed on the circuit board. Wire.h Pin Mapping Across Popular Arduino Boards download wire.h library for arduino