Download Exclusive Wire.h Library For Arduino -

If you are offline, working on a restricted system, or following a broken tutorial, here is the safe way to get a fresh copy of the official Wire library:

For boards where hardware I2C pins are broken or you need multiple I2C buses on arbitrary pins. Example: SoftWire library (available in Library Manager). You do need to install this separately. download wire.h library for arduino

Wire.endTransmission() : Ends a transmission to a peripheral device and physically transmits the bytes that were queued by Wire.write() . If you are offline, working on a restricted

Let’s satisfy your curiosity. On a standard Arduino installation: If you are offline

void loop() Wire.beginTransmission(0x12); // Address of the I2C device Wire.write("Hello, world!"); // Send data to the device Wire.endTransmission(); delay(1000);