16x2 LCD with data over power line ... Watch on Posted in Arduino Hacks, hardware Tagged 16x2 LCD, backpack, lcd, modulation, mosfet, uart ← Junkbox MIDI Use A 3D Printer To Electrospin Textiles → ...

While low-contrast, blue-on-slightly-less-blue 16-character by 2-line LCDs are extremely popular, they really are made specifically for alphanumeric use. They do an admirable job of displaying a fe… ...