| ??? 05/20/10 06:52 Read: times |
#176052 - 56 LEDs from one 8-bit port! Responding to: ???'s previous message |
See this article: http://www.tinaja.com/glib/muse152.pdf (linked from the Wikipedia article on Charlieplexing)
It does need to be a port with tri-state, push-pull drivers - ie, not a "classic" 8051 port... See also: http://www.8052.com/forumchat/read/176050 |
| Topic | Author | Date |
| Multiple LEDs... | 01/01/70 00:00 | |
| Shift registers | 01/01/70 00:00 | |
| Thanks Per... | 01/01/70 00:00 | |
| 8-wide high side diver and 8-wide low side driver ... | 01/01/70 00:00 | |
| Thanks Erik... | 01/01/70 00:00 | |
| Charlieplexing | 01/01/70 00:00 | |
| 56 LEDs from one 8-bit port! | 01/01/70 00:00 | |
| Thanks Andy... | 01/01/70 00:00 | |
| no extra components... | 01/01/70 00:00 | |
| Hard to find errors | 01/01/70 00:00 | |
| Hard to find errors | 01/01/70 00:00 | |
True Per. | 01/01/70 00:00 |