08-25-2016, 11:50 AM
I have used the ada fruit 16x2 LCD many times, most recently for a calculator project;
... the first thing you better do is study this data sheet thoroughly.
Realize that the data buss on this device is bi-directional and the logic is 5v !!! If you try to use this device with your PineA64 without bi-directional level shifters you will blow your Pine board. (words to the wise)
The back-light is adjustable (which may be your immediate problem, I don't know, you might have it wired backwards too).
First steps: study the data sheet.
... the first thing you better do is study this data sheet thoroughly.
Realize that the data buss on this device is bi-directional and the logic is 5v !!! If you try to use this device with your PineA64 without bi-directional level shifters you will blow your Pine board. (words to the wise)
The back-light is adjustable (which may be your immediate problem, I don't know, you might have it wired backwards too).
First steps: study the data sheet.
marcushh777 
please join us for a chat @ irc.pine64.xyz:6667 or ssl irc.pine64.xyz:6697
( I regret that I am not able to respond to personal messages; let's meet on irc! )
please join us for a chat @ irc.pine64.xyz:6667 or ssl irc.pine64.xyz:6697
( I regret that I am not able to respond to personal messages; let's meet on irc! )
