I spent the last few days doing my first real programming for the Milk-V Duo. I have one of Sparkfun's very nice LCD-16397 16x2 SerLCD - RGB Text displays, and wanted to get it working on the Milk-V Duo.
So I grabbed some PIC code for the display that I wrote a while back and ported it. Basically...
Most microcontrollers these days are 3.3 volt. I've been using plain old cheap 5 volt 1602 LCDs forever, but I got tired of always having to set up dual voltage to my breadboards. 1602 LCDs work fine with 3.3V signals, but the backlights are dim and the LCD is sort of faded at 3.3V. I know you can a...