Standalone SPI 7-Segment Display

I had some spare 4-digit 7-segment LED displays and some AT90USB82s, and I'd always intended to do something with them.  This was probably the easiest thing!  It's just the AT90 driving the display, with a(t least) 4 wires controlling it: Vcc, GND, MOSI and SCK.  (I haven't written the code yet, but my plan is to make the display accepts characters via SPI and then spends the rest of the time displaying the ...

Read more
Scroll to top