Rasberry Pi: Difference between revisions
NickPGSmith (talk | contribs) |
NickPGSmith (talk | contribs) |
||
| Line 48: | Line 48: | ||
vc4.tv_norm=PAL | vc4.tv_norm=PAL | ||
vc4.tv_norm=NTSC | vc4.tv_norm=NTSC | ||
To control overscan, see settings: | |||
margin_left | |||
margin_right | |||
=== Temperature === | === Temperature === | ||
Latest revision as of 16:12, 29 April 2026
Device
Windows IOT
Rasberry Pi OS
See /boot/firmware/config.txt.
Command line configuration program:
raspi-config
Upgrades
apt update && sudo apt upgrade -y
Web Server
apt install apache2
- Configuration: /etc/apache2
- Serve from: /var/www/html
Change swap
dphys-swapfile swapoff
Edit /etc/dphys-swapfile, eg 1 GB:
CONF_SWAPSIZE=1024
dphys-swapfile setup dphys-swapfile swapon
Composite Video
Note: CVBS is on sleve; Gnd is ring 3. It is enabled when no HDMI monitor is connected.
In /boot/firmware/config.txt:
enable_tvout=1 dtoverlay=vc4-kms-v3d,composite
Ensure hdmi_force_hotplug=1 is commented out or set to 0.
In /boot/firmware/cmdline.txt, either:
vc4.tv_norm=PAL vc4.tv_norm=NTSC
To control overscan, see settings:
margin_left margin_right
Temperature
Divide value by 1000 to get temp in C:
- /sys/class/thermal/thermal_zone0/temp
CPU Core throttling above 80 C.