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Arduino I2C Device Scanner V1.0

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Build - 01.00.08

This very simple sketch scans the I2C-bus for devices. If a device is found, it is reported to the Arduino serial monitor.

This sketch is the first step to get the I2C communication working.

The sketch shows the 7-bit addresses of the found devices as hexadecimal values. That value can be used for the "Wire.begin" function which uses the 7-bit address. Some datasheets use the 8-bit address and some example sketches use decimal addresses.

This scanner supports I2C multiplexer and can be used for channel selection.

I2C Scanner


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