vim /etc/modprobe.d/raspi-blacklist.conf
# blacklist spi and i2c by default (many users don’t need them)
#blacklist spi-bcm2708
#blacklist i2c-bcm2708
vim /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with “#” are ignored.
# Parameters can be specified after the module name.
#
# sound devices
snd-bcm2835
# SPI devices
spi-dev
# I2C devices
i2c-dev
# 1-Wire devices
w1-gpio
# 1-Wire thermometer devices
w1-therm
หลังจาก reboot
root@raspberrypi:/# lsmod
Module Size Used by
w1_therm 2705 0
w1_gpio 1283 0
wire 23530 2 w1_gpio,w1_therm
cn 4649 1 wire
i2c_dev 5587 0
snd_bcm2835 12808 0
snd_pcm 74834 1 snd_bcm2835
snd_seq 52536 0
snd_timer 19698 2 snd_seq,snd_pcm
snd_seq_device 6300 1 snd_seq
snd 52489 5 snd_seq_device,snd_timer,snd_seq,snd_pcm,snd_bcm2835
snd_page_alloc 4951 1 snd_pcm
spidev 5136 0
i2c_bcm2708 3681 0
spi_bcm2708 4401 0
