Rasberry Pi: Difference between revisions

Latest revision as of 04:53, 8 May 2024

Command line configuration program:

raspi-config

apt update && sudo apt upgrade -y

apt install apache2

dphys-swapfile swapoff

Edit /etc/dphys-swapfile, eg 1 GB:

CONF_SWAPSIZE=1024

dphys-swapfile setup
dphys-swapfile swapon

Note: CVBS is on sleve; Gnd is ring 3. It is enabled when no HDMI monitor is connected.

In config.txt, set for PAL (UK):

Divide value by 1000 to get temp in C:

CPU Core throttling above 80 C.

@@ Line 2: / Line 2: @@
 * [https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#raspberry-pi-3-model-b Rasberry Pi 3B]
+* [https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#gpio-and-the-40-pin-header GPIO]
 == Windows IOT ==
@@ Line 7: / Line 8: @@
 * [https://devblogs.microsoft.com/premier-developer/getting-started-with-windows-10-iot-core-raspberry-pi-3b/ Blog]
-== Rasberry Pi PO ==
+== Rasberry Pi OS ==
+See [https://www.raspberrypi.com/documentation/computers/config_txt.html  /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 config.txt, set for PAL (UK):
+* sdtv_mode=2
+=== Temperature ===
+Divide value by 1000 to get temp in C:
+* /sys/class/thermal/thermal_zone0/temp
+CPU Core throttling above 80 C.