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Setting the config.ini

Basic settings are made in config.ini.

  • Login on Raspberry Pi via CLI: ssh pi@192.168.x.x

Start ATM once to create the config.ini

$ cd ~/LightningATM/
$ ./app.py
  • When you first start you will get an "No display configuration matched. Exiting...".

  • The config.ini has now been created in the background.
  • Now edit the config.ini as described next step to set the display and other configurations.

Note: If the display is already set correctly, the process will not "Exiting..". You have to stop it with CTRL+C.

Open the config.ini file

$ nano ~/.lightningATM/config.ini
  • Don't be surprised, the spelling is really ~/.lightningATM/config.ini with a dot and lowercase letters.

Set the config.ini file

Enter display type under [atm]

	display = waveshare2in13v2

Note: Please compare your display type carefully! Yours may require different settings and an incorrect setting will not work.

Only for Pocket Version: Delay time (set from 0 to 12 seconds)

	payoutdelay = 12
  • Its needed for the the pocket version, because it has no push button for confimrmation. The invoice will be generated automatically after 12 seconds.
  • Note: If you have a button version, you must keep the 0.

Set activate wallet type / example LNTXBOT

  • If you would like to set a BTCPayServer wallet, get further information here: BTCPayServer
  • Note: A good guide to getting started with the LNTXBOT can be found here: coincharge.io
	activewallet = lntxbot

Under [lntxbot] enter the data for the API to the lntxbot

[lntxbot]
# base64 encoded lntxbot api credentials
url = https://lntxbot.com
creds = abc..xyz==
  • Note: The LNTXBOT delivers url and creds with the command /lightningATM from you Telegram bot
  • The structure from the bot answer is build up like: <creds>@<url>

Set the coins to the pulses

  • Each coin generates a specific number of pulses. Here 2 to 7 pulses.
[coins]
# Pulsecount, fiat value, name
coin_types = 2,0.05,5  eur cent
             3,0.10,10 eur cent
             4,0.20,20 eur cent
             5,0.50,50 eur cent
             6,1.00,1 eur
             7,2.00,2 eur
  • When you finshed with changings in the config.ini, save and exit the editor: CTRL+x -> y -> ENTER
  • Note: In the config.ini you can also change the currency and fees.

config.ini part 1 (example) config.ini part 1

config.ini part 2 (example) config.ini part 2

Test the settings (or the entire ATM) once

  • Start the ATM again
$ cd ~/LightningATM/
$ ./app.py
  • The display should now show LightningATM
  • If everything is entered correctly, the ATM should now be ready for use
  • Just test it with few coins
  • To stop the ATM just press CTRL+C
  • After a short time, Manually Interrupted is displayed and you can see on the display that the ATM is turned off

display LightningATM

display ATM turned off!

  • Note: If it doesn't work properly, you can run the debug logger with the command tail -f ~/.lightningATM/debug.log in a separate terminal window. We will show more information later in the chapter tmux.
  • Note: How to give the ATM an autostart function, you will learn later in chapter autostart
  • Note: If you have already set the autostart and also start the app.py manually as described here, the display will not work properly. Then first stop the service as described in autostart.

display ᐊ previous | next ᐅ debugging and tmux