This is a small project only, built it in one evening.
It is a 2-digit LED display timer, based on 16f54. I have attached the full source code.
Schematics does not exist, basically all PIC I/O pins are used to drive the LED display directly,
there is a 32768 Hz crystal as well. PIC16f54 also needs 4.7K for MCLR.
The purpose is simply to count minutes, and to try out these small SMD LED displays.
There are regular 0.28" LED displays as well, the same height, but the SMD displays are far more flat!
Not multiplexed as well, connected them manually to the PCB.
Same PCB as I use for 4-digit serial LED display!
And I rewrote firmware completely in XC8, was a matter of one hour.
However creating driving/decoding tables for different LED displays can be quite time consuming.