| DataTerm 2 | ||
I'm working on Shop Env, AC Thermostat, etc. and need a data terminal, so I decided it is time to revamp the orignial Data Terminal in DustCollection. 
 
I'm going to try a flat membrane keypad.
 
 
 
 
 
| Keypad Pin | Col/Row | PCF8574 Pin | |
|---|---|---|---|
| 1 | Col: 3 | P3 | |
| 2 | Col: 2 | P2 | |
| 3 | Col: 1 | P1 | |
| 4 | Col: 0 | P0 | |
| 5 | Row: 3 | P6 | |
| 6 | Row: 2 | P7 | |
| 7 | Row: 1 | P5 | |
| 8 | Row: 0 | P4 |