GeavisionReverse
Reverse engineering of some Geavision
hardware from Paderborn's Parkleitsystem
Items:
-
LCD_PCB
: The small board which sits behind every dual-character panel -
Driver_PCB
: One module per sign, denoted asTreiber-Modul
("Driver module") in the original schematics
Displays
GV33 2x1 Modul 38 Segmente (aus das Box mit 4 Displays)
Protokoll
Schatz es ist ein Schieberegister!
Stecker Belegung
GV33
Pin | Value |
---|---|
1 | MOSI |
2 | +5V |
3 | +8V |
4 | GND |
5 | RESET / OUT EN (active low) |
6 | 64 Hz |
7 | LATCH |
8 | CLK |
9 | MISO |