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How to check if connect to I2C device

183 bytes added, 20:25, 16 June 2023
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''sudo i2cdetect -y -a 1''
or
''sudo i2cdetect -y -a 0''// only for Raspberry Pi B
[[File:OLED77.jpg|500px]]

"77" is mean that I2C device is detected, and the address is "77"

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