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Update info about new method of enabling I2C on later Raspbians/RPi3

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Donald Burr 2017-10-13 16:06:05 -07:00
parent e0965e79ca
commit 048b824eee
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NOTES/LCD.HOWTO
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@ -4,6 +4,9 @@ NOTE: if i2c does not appear to work,
edit /boot/config.txt and add: dtparam=i2c1=on edit /boot/config.txt and add: dtparam=i2c1=on
(cf. http://raspberrypi.stackexchange.com/questions/27073/firmware-3-18-x-breaks-i2c-spi-audio-lirc-1-wire-e-g-dev-i2c-1-no-such-f) (cf. http://raspberrypi.stackexchange.com/questions/27073/firmware-3-18-x-breaks-i2c-spi-audio-lirc-1-wire-e-g-dev-i2c-1-no-such-f)
NOTE #2: on later Raspbians and/or RasPi3, must enable i2c in raspi-config
(go to "Interfacing Options" screen)
* edit /etc/modules, add i2c-bcm2708 and i2c-dev * edit /etc/modules, add i2c-bcm2708 and i2c-dev
* sudo apt-get install i2c-tools python-smbus * sudo apt-get install i2c-tools python-smbus
* confirm that the lcd was detected by running: * confirm that the lcd was detected by running: