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edit_config.md

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Setting the config.ini

Basic settings are made in config.ini.

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 LNbits

  • If you would like to set a BTCPayServer wallet, get further information here: BTCPayServer - NOT RECOMENDET -
  • To use the Blink wallet as the funding source continue here: Blink
  • Note: A quick guide how to set up an LNbits wallet find here

For LNbits:

	[atm]
	..
	activewallet = lnbits

	[lnurl]
	lnurlproxy = inactive

For Blink:

	[atm]
	..
	activewallet = blink

	[lnurl]
	lnurlproxy = active

Note: leave lnurlproxyurl = https://api.lightningatm.me/v1/lnurl like it is.

Under [lnbits] customize the data for the LNbits wallet

[lnbits]
# api credentials
url = https://legend.lnbits.com/api/v1
apikey = 
# One of "invoice" or "lnurlw"
method = lnurlw
# only for lnurlw - millisseconds to redeem the lnurlw
timeout = 90000

Note: Here you only need to specify the apikey. You get this from the LNbits wallet, e.g. apikey = 8682516eaf0c457...

For Blink wallet customize the data unter [blink]

[blink]
graphql_endpoint = https://api.blink.sv/graphql
api_key = blink_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
wallet_id = 5dxxxxxxxxxxxxxxxxxxxxx

Note: You can see how it works here

Next, 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