| ??? 11/30/15 14:09 Read: times |
#190590 - use a $0.20 micro ... Responding to: ???'s previous message |
.. several from SILabs.
Powered from the relay power (through suitable power reduction) when coning out of reset a timer start and if it expires w/o power going away it will blow the fuse I mentioned in my previous post and do wahtever is required alarmwise. the 555 solution lack the alarm capability |
| Topic | Author | Date |
| Fail safe solenoid switching | 01/01/70 00:00 | |
| I'm thinking about this and ... | 01/01/70 00:00 | |
| Relay and timer? | 01/01/70 00:00 | |
use a $0.20 micro ... | 01/01/70 00:00 |