Nokia 5110/3310 monochrome LCD + extras Category_Electronics/Relays The VREF voltage is accessible

The VREF voltage is accessible on the VREF pin

Usability enhancements for serial interface

and there are driver chips like the MAX7219 that can control a matrix for you but there's a lot of wiring to set up and they take up a ton of space

The DRV8835 datasheet recommends a maximum continuous current of 1

Nokia 5110/3310 monochrome LCD + extras Category_Electronics/Relays The VREF voltage is accessibleThese displays were used in old Nokia 5110 3310 cell phones (before the smart phone fad turned every cell phone into a TV). It's a 84x48 pixel monochrome LCD display. These displays are small, only about 1. 5" diagonal, but very readable and come with a white backlight. This display is made of 84x48 individual pixels, so you can use it for graphics, text or bitmaps. These displays are inexpensive, easy to use , require only a few digital I O pins and