Trying to get an lcd to work with liquidCrystal. Using Arduino Uno rev3. The hello world sketch http://arduino.cc/en/Tutorial/LiquidCrystal
does display any characters..
[I actually have two Arduino Unos and a mega - get the same results with all three boards].
When I measure the on the pins I get the following and wondered if that is expected.
Voltages measured without the display attached and separately on the display itself.
Data pins 2,3,4 and 5 1.5 to 5 V
RS – 3.5V
Enable pin 0.18V ** this troubles me but???
the potentiometer varies the display
Suggestions on what to try next are needed/wanted