??? 03/31/07 12:52 Read: times |
#136292 - Drivers Responding to: ???'s previous message |
As others have said, you need a DRIVER to provide the current drive to the buzzer that your tiny little micro can't sink !
Steve |
Topic | Author | Date |
how to use a simple buzzer? | 01/01/70 00:00 | |
Try it ? | 01/01/70 00:00 | |
that worked, but... | 01/01/70 00:00 | |
current | 01/01/70 00:00 | |
When you've found the current requirement... | 01/01/70 00:00 | |
Buzzer connections | 01/01/70 00:00 | |
Drivers | 01/01/70 00:00 | |
will try it and get back... | 01/01/70 00:00 | |
If the buzzer draws lots of current... | 01/01/70 00:00 | |
Quote | 01/01/70 00:00 | |
Correct | 01/01/70 00:00 | |
ok... | 01/01/70 00:00 | |
Numerous options ... | 01/01/70 00:00 | |
only have 5V supply | 01/01/70 00:00 | |
it might prove interesting ... | 01/01/70 00:00 | |
Because you took a NPN instead of PNP... | 01/01/70 00:00 | |
will try this | 01/01/70 00:00 | |
kai | 01/01/70 00:00 | |
I would use a PNP | 01/01/70 00:00 | |
Do yourself a favor ... try it as he suggests! | 01/01/70 00:00 | |
we all did some such thing ONCE, I believe | 01/01/70 00:00 | |
hmmm.... | 01/01/70 00:00 | |
I don't know why,...![]() | 01/01/70 00:00 |