| ??? 01/25/03 19:08 Read: times |
#37259 - RE: 19 DIGIT / 64 KEYS IN 89C52 ? |
Just *one* microcontroller's ADC input pin to read a 16-key matrix... Use A Tiny Microcontroller With A Large Keypad http://www.elecdesign.com/Globals/P...t/1133.pdf Regards, Enrique. |
| Topic | Author | Date |
| 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| 19 digit MUX in software? | 01/01/70 00:00 | |
| RE: 19 digit MUX in software? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
| RE: 19 digit MUX in software? | 01/01/70 00:00 | |
| RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 | |
RE: 19 DIGIT / 64 KEYS IN 89C52 ? | 01/01/70 00:00 |