I bought an LCD display (blue screen) HD44780 16×02 with an I2C adapter from azdelivery. However, as you can see in the picture, it displays blocks above the text. That means I can see the text from the side. Now I just need to remove the blocks.
(1 votes)
Loading...#include <iostream> #include <vector> using namespace std; typedef string string_t; typedef int Nummer_t int main () { string_t Name = "Frank"; cout << Name; Nummer_t x; x = 5; cout << x * x; return 0; } Apparently the error is in int main () { but I don't see any. Error message from the…
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You have to adjust the contrast with the pot. Turn the blue box with nem screwdriver;)
Okay, that fixed it. Thank you. rather looked after the software instead of Hatdware 🙂
Your question I’ve read a thousand times is a typical beginner problem with these displays even if it’s in the description of the displays;)