| ??? 02/16/05 08:04 Read: times |
#87623 - How many buttons? Responding to: ???'s previous message |
Lian Kok Tong said:
that means is a 16 button keypad. right?
It's your project - don't you know?! For a "simple" 4x4 matrix, 16 is the maximum number of buttons that you can scan. There are cunning tricks to scan more, but you probably need to start with the basics. |
| Topic | Author | Date |
| How to display keypad press on PC screen | 01/01/70 00:00 | |
| Keypad | 01/01/70 00:00 | |
| Mistake! | 01/01/70 00:00 | |
| How many buttons? | 01/01/70 00:00 | |
| Break up the project... | 01/01/70 00:00 | |
| Use HyperTerm for Recv & Displ | 01/01/70 00:00 | |
| Full Hypoterminal settings | 01/01/70 00:00 | |
| HEX Displ -Try other Term Emalua Pck | 01/01/70 00:00 | |
| Simple but good | 01/01/70 00:00 | |
| TERM95 | 01/01/70 00:00 | |
| My keypad program, please verify problem | 01/01/70 00:00 | |
| A suggestion | 01/01/70 00:00 | |
| Commenting - may answer own question! | 01/01/70 00:00 | |
| Port can be spoilt? | 01/01/70 00:00 | |
| please clarify | 01/01/70 00:00 | |
| Both also I tried before | 01/01/70 00:00 | |
| remarks | 01/01/70 00:00 | |
| How to transmit cr twice? | 01/01/70 00:00 | |
| eh?? | 01/01/70 00:00 | |
| CR twice | 01/01/70 00:00 | |
| To CR or not to CR :-) | 01/01/70 00:00 | |
Delay are not suppose to get rid | 01/01/70 00:00 | |
| knowing the derivative would be nice | 01/01/70 00:00 |