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sdcard_and_wifi.md

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Create SD card and write WiFi data to it

Download the image and write it to the SD card

Set up WiFi for the Raspberry Pi

Create a file named wpa_supplicant.conf with the following content:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=DE

network={
	ssid="Home"
	scan_ssid=1
	psk="XXXXXXXXXXXX"
	id_str="Home"
}

network={
	ssid="Mobil"
	scan_ssid=1
	psk="12345678"
	id_str="Mobil"
}
  • Change country code to your area code
  • The file contains two WiFi networks. "Home" for home use and the "Mobil" for mobility
  • "Mobil" can be you hotspot on your cell phone
  • Adjust the values for SSID and PSK as you like
  • More networks can be added if needed
  • Make sure the file ends with .conf and not with .conf.txt
  • In the basic setting, Windows has the habit of hiding known file type extensions
  • See "Folder Options/View/Advanced Settings"
  • -> "Hide extensions for known file types" must be deselected!
  • Slide the newly written SD card back into the slot of you computer
  • -> The BOOT directory of the SD card is displayed
  • Copy the new file wpa_supplicant.conf into it
  • Insert the SD card into Raspberry Pi
  • Note: After starting the Raspberry Pi for the first time, the ".conf" file disappears from the directory
  • It can then be edited later via CLI by the command:
  • $ sudo nano /etc/wpa_supplicant/wpa_supplicant.conf (the ssh connection is required, see next topic)

Carry out basic software settings and updates

  • Check the wiring again and then apply voltage
  • Wait for a while and then look for the assigned WiFi IP in your own WiFi router
  • Login to Raspberry Pi via CLI: ssh pi@192.168.x.x
  • Confirm The authenticity.. with yes
  • Enter raspberry in the password prompt
  • If you are logged in correctly you will now see: pi@raspberrypi:~ $

Adjust password and please remember!

	$ passwd
  • Note: $ stands for pi@raspberrypi:~ $ in CLI and does not need to be typed

Perform an update, clone the ATM Github and install necessary additional options

	$ sudo apt update && sudo apt upgrade
	$ git clone https://github.com/21isenough/LightningATM.git
	$ cd LightningATM
	$ pip3 install -r requirements.txt
  • Note: When updating, you sometimes have to confirm with y or q
  • If everything was installed, disconnect the power supply and log in again via SSH and the the new password

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