Timeline for Is this a proper way to connect a piezo speaker to MCU?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 15, 2012 at 18:15 | vote | accept | miceuz | ||
| Sep 13, 2012 at 15:24 | comment | added | Ryan | Doh! You're right! Oversight on my part! Edited answer. | |
| Sep 13, 2012 at 15:24 | history | edited | Ryan | CC BY-SA 3.0 |
Fixed answer, thanks to comment from stevenvh
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| Sep 13, 2012 at 12:44 | comment | added | stevenvh | No he can't drop the resistor: the piezo is capacitive, and the FET will charge it, but switching it off doesn't discharge the capacitance. That's what the resistor does. | |
| Sep 13, 2012 at 12:42 | history | answered | Ryan | CC BY-SA 3.0 |