diff --git a/README.md b/README.md
index e398fd0..d4616b5 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,10 @@ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- ${extraversion:+EXTRAVERSION=$e
 cp arch/arm/boot/zImage ../zImage
 ```
 
+## Misc files
+
+`misc-files` contains important files I've customized.
+
 ## LinuxCNC
 
 Use LinuxCNC master branch configured for uspace.  Everything should be just
diff --git a/misc-files/etc/modules b/misc-files/etc/modules
new file mode 100644
index 0000000..a0f486e
--- /dev/null
+++ b/misc-files/etc/modules
@@ -0,0 +1,8 @@
+# /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.
+
+spidev
+spi_s3c64xx
diff --git a/misc-files/etc/rc.local b/misc-files/etc/rc.local
new file mode 100755
index 0000000..36df6fc
--- /dev/null
+++ b/misc-files/etc/rc.local
@@ -0,0 +1,31 @@
+#!/bin/sh -e
+#
+# rc.local
+#
+# This script is executed at the end of each multiuser runlevel.
+# Make sure that the script will "exit 0" on success or any other
+# value on error.
+#
+# In order to enable or disable this script just change the execution
+# bits.
+#
+# By default this script does nothing.
+
+# Tweak the fan -- this makes it start at a silent speed
+# (and before fixing the dpms vs sensor problem, it made for
+# a silent fan instead of a loud one when the temperature stuck)
+echo 48 > /sys/devices/platform/odroidu2-fan/start_duty 
+echo 44 > /sys/devices/platform/odroidu2-fan/start_temp
+
+# Kill some powersaving...
+# To fix the fan / thermal sensor problem
+echo on > /sys/devices/platform/exynos4-hdmi/power/control
+
+# To improve spi latency
+echo on > /sys/devices/platform/exynos4210-spi.1/power/control
+echo on > /sys/devices/platform/samsung-idma/power/control
+
+# Don't blank the console
+TERM=linux setterm -blank 0 < /dev/tty0
+
+exit 0
diff --git a/misc-files/etc/udev/rules.d/99-spidev.rules b/misc-files/etc/udev/rules.d/99-spidev.rules
new file mode 100644
index 0000000..4ef685e
--- /dev/null
+++ b/misc-files/etc/udev/rules.d/99-spidev.rules
@@ -0,0 +1 @@
+KERNEL=="spidev*", SUBSYSTEM=="spidev", OWNER="jepler", MODE="0660"