Hi guys, decided to show it working. Have to say, it works like charm, considering that it's built in such a rude way
![Grin ;D](https://www.eevblog.com/forum/Smileys/default/grin.gif)
I discovered interesting little glitch - you test diode, it displays it OK (symbol), but when you reverse connection, symbol gets messed up
![Huh? ???](https://www.eevblog.com/forum/Smileys/default/huh.gif)
Does someone have similar problem? I think it's connected either with LCD or EEPROM