| ??? 04/05/06 11:39 Read: times |
#113648 - Another way? Responding to: ???'s previous message |
Mayuresh Gokhale said:
i have decided to multiplex 4 Keys with 4 Digit 7 Seg LED Display ... I am having 10 port pins available That's not enough to do it without some sort of external hardware. Therefore, why not use something with a serial interface (I2C, SPI, 1-WireTM etc) to control the 7-seg LEDs? |
| Topic | Author | Date |
| Multiplexing 4 Keys with 4 Digit LED Dis | 01/01/70 00:00 | |
| Another way? | 01/01/70 00:00 | |
| Maxim | 01/01/70 00:00 | |
| Try this. web site. Hardware & Software | 01/01/70 00:00 | |
| OOPS. | 01/01/70 00:00 | |
| That's no good, Charles - too many pins! | 01/01/70 00:00 | |
| Links broken? | 01/01/70 00:00 | |
| I wouldn't do that | 01/01/70 00:00 | |
| about time required for serial communica | 01/01/70 00:00 | |
| my fovorite solution | 01/01/70 00:00 | |
| Many ways to skin a cat | 01/01/70 00:00 | |
| 50 Hz Side Note/ | 01/01/70 00:00 | |
I do not know about 7 segment, but for s | 01/01/70 00:00 |