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Homemade Panelolu 2 I2C 20x4 LCD with sound for less then 12 euro (incl. simple shematic + sound modefication) !
by ooxtcoo
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here i whant to show you how to make a panelolu 2 (like) LCD for your printer easy and very cheap by your self!
i payed for everything less then 12€ !!!
http://youtu.be/fPHAXKJ23Ak
and i show you, how to modeficate your marlin firmware to play a sound...
1.) when printer starts, a short beep
2.) after its init again beep beep (now you know, printer is ready!)
3.) you can add "M9999 S3" when printer finished printing, then it plays a nice sound and you hear your printer finished i
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