components needed:
- a HD44780 compatible Display 4 rows, 20 Digits
- PIC 18F45K22 (plus my Software, see below)
- a 5K Potentiometer
- two HCF4532 (8-BIT PRIORITY ENCODER)
- one HCF4071 ( QUAD OR GATE)
In case you are not able to program the PIC yourself just contact me, I can send you a programmed PIC at my cost price plus shipping.