Involvement:Expert (understands the inner workings) - Ownership:less than 1 day
Plugs in and works - eg, use 'HelloWorld' example sketch under LiquidCrystal, but modify to use with constructor of 'LiquidCrystal lcd(8,9,4,5,6,7);' - as suggested previously. Works on 5V too (others are for 3.3v).Doesn't interfere with the spi pins, more on that later.
Reset button is near the other buttons - easy to press if not careful.
Make sure you wind the brass screw on the blue rectangle (variable resistor) about 25 or more turns (clockwise in my case) so that you can see the characters.
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