hello World, I want to keep track of 4 variables oil temperature, oil pressure, water temperature, battery voltage, and because I use 2 line display/16 digits, I by button or switch to turn on the display. I read a lot when you get here, but the program does not work properly. Able to change the…

2 row x 2 row, with Switch - Work Fine !

groundFungus May 29, 2013, 4:21pm 2

you have lcd.begin(16,4) in setup but you say it is 2 lines

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