| ??? 08/29/05 14:55 Read: times |
#100231 - 556 timer |
first off i would like to let you know i have no idea what im talking about
ive just begun learning about timers 2 days ago ive made a schematic which (i hope) will eject and close a dvd tray http://img356.imageshack.us/my.php?im...est0dw.png i would like some comments about if it will work correctly also if anyone has any sugestions on how to: hold the switch for 3-5 seconds to trigger it what i want done is to press the switch to ground out a line (not shown) or hold the switch for 3-5 seconds to trigger this circuit any and all feedback would be helpful thanks damien |
| Topic | Author | Date |
| 556 timer | 01/01/70 00:00 | |
| Why not use a microcontroller instead? | 01/01/70 00:00 | |
| 556 timer | 01/01/70 00:00 | |
| Why, you do not need one, haven't you he | 01/01/70 00:00 | |
| cheap micro eval board | 01/01/70 00:00 | |
| even better | 01/01/70 00:00 | |
| 556 timer | 01/01/70 00:00 | |
| have a look at | 01/01/70 00:00 | |
| have a look at | 01/01/70 00:00 | |
| $0.39 4013 flip flop solution. | 01/01/70 00:00 | |
| $0.39 4013 flip flop solution. | 01/01/70 00:00 | |
| $0.59 solution | 01/01/70 00:00 | |
| Not an 8051... | 01/01/70 00:00 | |
| didn't know | 01/01/70 00:00 | |
| Tiny11 has 32 Byte RAM | 01/01/70 00:00 | |
| Application | 01/01/70 00:00 | |
| if a VERY small uC is the right tool, wh | 01/01/70 00:00 | |
| Because Philips ignorance | 01/01/70 00:00 | |
stuck in a rut | 01/01/70 00:00 |