Elektronik

Aus Wiki_2020

Elektronik

Datasheets

Messtechnik

Projects

To be categorized

Antennen

Hardware

PCB

Joule Thief

Online Design Tools

RGB

LED

RC Modellbau

Messzeugs

Wireless

Unterhaltungselektronik

Wandler RS232 auf 3,3V Logigpegel

FTDI USB-RS232 Kabel 3V3

Alternativer Text

Allgemeines Wissen

Communication

NP2M e*message

I²C

smbuslibrary Bustools

  • ADS1115
 4channel 16bit ADC ADS1115  https://learn.adafruit.com/adafruit-4-channel-adc-breakouts
 Beispiel https://smartypies.com/projects/ads1115-with-raspberrypi-and-python/
 Datasheet https://cdn-shop.adafruit.com/datasheets/ads1115.pdf
  • PCF8591
 AD/DA Wandler 8bit  http://cool-web.de/raspberry/raspi-ad-wandler-pcf8591-ueber-i2c-bus-ansteuern.htm
 AD/DA Wandler 8bit  http://bristolwatch.com/rpi/pcf8591.html

Ethernet

Serial

1-Wire BUS

Neopixel (WS2812)

DMX

Embedded

PIC

PIC- alles zu PIC Microcontrollern

Raspberry Pi

PiPico
Pi
  • PI Phyton

https://learn.sparkfun.com/tutorials/python-programming-tutorial-getting-started-with-the-raspberry-pi/all
http://www.netzmafia.de/skripten/hardware/RasPi/
https://www.raspberrypi-spy.co.uk/2013/03/raspberry-pi-1-wire-digital-thermometer-sensor/
https://learn.adafruit.com/raspberry-pi-care-and-troubleshooting
https://raspberrypiuser.co.uk/display-system-info-on-your-raspberry-pi-using-conky

Hardware Erweiterungen

https://raspiaudio.com/produit/audio
update bookworm 64bit follow this steps: 

Edit the config.txt file or, in Pi OS, type:
sudo nano /boot/firmware/config.txt

comment out the line:
#dtparam=audio=on

Add the line at the end of the file:
dtoverlay=hifiberry-dac

Save and reboot your system.
Befehle
  • Prozessliste: top , htop
  • Systeminformationen ausgeben uname -a
  • Nutzer- und Gruppeninformationen id
Autostart
* funktionierende Variante unter Buster

 1. in  /home/pi/.config/lxsession/LXDE-pi/ Datei autostart erstellen
 2. autostart editieren 

@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
@lxterminal --geometry=125x25 -e "/home/pi/Python/Sensehat_temperature.py"
@lxterminal --geometry=60x24 -e "/home/pi/Python/ADSB_Flights22bup.py"
@xscreensaver -no-splash
point-rpi
Backup

https://www.linux-tips-and-tricks.de/en/quickstart-rbk/
https://forum.planefinder.net/threads/cloning-booted-rpi’s-microsd-card-if-rpi-is-physically-accessable.1360/#post-9559 

1. Install
 git clone https://github.com/billw2/rpi-clone.git 
 cd rpi-clone
 sudo cp rpi-clone rpi-clone-setup /usr/local/sbin

2. Device für Clone ermitteln:
 pi@raspizeropihole:~ $ lsblk
 NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
 sdb           8:16   1 14.6G  0 disk
 ├─sdb1        8:17   1  256M  0 part
 └─sdb2        8:18   1 14.4G  0 part
 mmcblk0     179:0    0 14.6G  0 disk
 ├─mmcblk0p1 179:1    0  256M  0 part /boot
 └─mmcblk0p2 179:2    0 14.4G  0 part /

3. hier ist es sdb ==》
pi@raspizeropihole:~ $ sudo rpi-clone sdb
Booted disk: mmcblk0 15.7GB                Destination disk: sdb 15.7GB
---------------------------------------------------------------------------
Part      Size    FS     Label           Part   Size    FS     Label
1 /boot   256.0M  fat32  --              1      256.0M  fat32  --
2 root     14.3G  ext4   rootfs          2       14.3G  fat32  --
---------------------------------------------------------------------------
== Initialize: IMAGE partition table - FS types conflict ==
1 /boot               (47.5M used)   : MKFS  SYNC to sdb1
2 root                (2.8G used)    : RESIZE  MKFS  SYNC to sdb2
---------------------------------------------------------------------------
Run setup script       : no.
Verbose mode           : no.
-----------------------:
** WARNING **          : All destination disk sdb data will be overwritten!
-----------------------:
Initialize and clone to the destination disk sdb?  (yes/no): y
Optional destination ext type file system label (16 chars max): pihole311021
Initializing
  Imaging past partition 1 start.
  => dd if=/dev/mmcblk0 of=/dev/sdb bs=1M count=8 ...
  Resizing destination disk last partition ...
    Resize success.
  Changing destination Disk ID ...
  => mkfs -t vfat -F 32  /dev/sdb1 ...
  => mkfs -t ext4 -L pihole311021 /dev/sdb2 ...
Syncing file systems (can take a long time)
Syncing mounted partitions:
  Mounting /dev/sdb2 on /mnt/clone
  => rsync // /mnt/clone with-root-excludes ...
  Mounting /dev/sdb1 on /mnt/clone/boot
  => rsync /boot/ /mnt/clone/boot  ...
Editing /mnt/clone/boot/cmdline.txt PARTUUID to use 0d374dbf
Editing /mnt/clone/etc/fstab PARTUUID to use 0d374dbf
===============================
Done with clone to /dev/sdb
   Start - 17:00:06    End - 17:57:19    Elapsed Time - 57:13
Cloned partitions are mounted on /mnt/clone for inspection or customizing.
Hit Enter when ready to unmount the /dev/sdb partitions ...
  unmounting /mnt/clone/boot
  unmounting /mnt/clone
===============================


Cleanup / free Diskspace
  • use Baobab for graphical View at diskusage (Dateimanager Rechte Mousetaste Festplattennutzung)
  • sudo apt-get autoclean (apt Cache von unnütz gecachten .deb Packages cleanen)
Doku
Monitoring
Anwendungen
OLED Python
GPIO-Interrupt
SPI-RFID/NFC
Dateisystem
#  sudo apt-get install ntfs-3g hfsutils hfsprogs

Netzwerk

System

  • Betriebssystem herausfinden cat /etc/os-release
uname -a  gibt es alles aus, was es über ihr Linux weiß
cat /proc/version  
cat /etc/*-release

Pihole

piholesetup

  1. download https://www.raspberrypi.com/software/operating-systems/#raspberry-pi-os-32-bit Raspberry Pi OS Lite
  2. flash image mit etcher
  3. bootfs partition leere Datei ssh erstellen

Kodi

Kali

Systemsetup

Displays

siehe PIC Display

Sensorik

Stromsensor Hallbasiert

RFID / NFC

Fahrradlogger

Wattmeter,Logger

Absolutdruck- Höhenmessung

Herzfrequenz

5,3kHz Empfänger nochmal

Abgerufen von „http://urspoulsen.bplaced.net/Mewi/index.php?title=Elektronik&oldid=2791“