| ??? 03/19/04 13:04 Read: times |
#67038 - re:wiring a smoke alarm into a 8051 |
Hi,
I am wondering if someone knows how to wire a 9volt smoke alarm into a port pin on the 8051???I want to reduce the voltage to 5 volts and input it into one of the port pins of port 2??What circuit is required to achieve this.Can anyone help me please with this.I would appreciate all circuit ideas. Thank you, Tina |
| Topic | Author | Date |
| re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| More details erquired | 01/01/70 00:00 | |
| RE: More details required | 01/01/70 00:00 | |
| RE: More details required | 01/01/70 00:00 | |
| RE: More details required | 01/01/70 00:00 | |
| RE: optocoupler | 01/01/70 00:00 | |
RE: optocoupler | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 | |
| RE: re:wiring a smoke alarm into a 8051 | 01/01/70 00:00 |