diff --git a/docs/hd44780_howto.txt b/docs/hd44780_howto.txt index 3c0d34c..94c9094 100644 --- a/docs/hd44780_howto.txt +++ b/docs/hd44780_howto.txt @@ -189,7 +189,7 @@ Y2 o---|<---o o---+ Y3 o---|<---o o---+----o return line -If the driver generates keypresses without that you actually press a key, +If the driver generates keypresses without you actually pressing a key, it might be that the unconnected input lines are picking up electromagnetic waves from the air. In that case connect the unconnected input lines (pin 10, 11, 12, 13 and 15 of the LPT) to VCC = 5V.