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

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


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 -e "/home/pi/Python/Sensehat_temperature.py" <-- pythonskript in Terminal starten @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 ===============================
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

Kodi

Kali

Systemsetup

Displays

siehe PIC Display

Sensorik

Stromsensor Hallbasiert

RFID / NFC

Fahrradlogger

Wattmeter,Logger

Absolutdruck- Höhenmessung

Herzfrequenz

5,3kHz Empfänger nochmal