| ??? 05/17/02 15:20 Read: times |
#23112 - RE: six 7 segm led displays to 8052 |
hi,
_____ ----- | 7 | 7 | _ | px.0-px.3----->| 4 |-///-/->| |_| | | 4 | 330 ohm | |_| | | 7 | | | ------ ----- ----- | x6 | 74 | c/ px.4-px.6----->| 138 |o.X b|/ | |---///-|bc557 | | 10 k e |_____| | +5v u have to refresh each seg 30 times/sec. that means u have to switch to the next display in cyclic manner in eve 5 ms (33/6). |
| Topic | Author | Date |
| six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| To Peter about MAX7219 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
| RE: six 7 segm led displays to 8052 | 01/01/70 00:00 | |
RE: six 7 segm led displays to 8052 | 01/01/70 00:00 |