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Make I2C acccesible without sudo & preserve that setting
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| # $ sudo addgroup i2c && sudo usermod -G i2c "$USER" | |
| # $ sudo vim /lib/udev/rules.d/60-i2c-tools.rules | |
| KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660" | |
| # Device restart required. | |
| # Tested with Ubuntu 20.04 on Raspberry Pi. | |
| # | |
| # https://lexruee.ch/setting-i2c-permissions-for-non-root-users.html | |
| # https://www.raspberrypi.org/forums/viewtopic.php?t=26212 |
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