Probe HD44780
-------------------
- 1 RS (selects "commands" and "display data" mode)
- 2 E (enable, falling edge clocks data transfers)
- 3 D4 (data lines...)
- 4 D5
- 5 D6
- 6 D7
+ 0 RS (selects "commands" and "display data" mode)
+ 1 E (enable, falling edge clocks data transfers)
+ 2 D4 (data lines...)
+ 3 D5
+ 4 D6
+ 5 D7
hd44780-blink.sr