smd.iotkit.ch
Mikrophone Sensor
Dependencies: mbed
Mikrophone Sensor für Geräuscherkennung
Tip: zum Testen Finger auf Mikrophone halten und Abfrage umkehren.
Anwendungen
- Klatschschalter z.B. zum Einschalten des Lichtes
- Überwachung Hund (Bellen)
main.cpp@0:f5b93072ca28, 2015-04-17 (annotated)
- Committer:
- stefan1691
- Date:
- Fri Apr 17 18:57:20 2015 +0000
- Revision:
- 0:f5b93072ca28
- Child:
- 2:f6a133deaa02
Mikrophone Sensor
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| stefan1691 | 0:f5b93072ca28 | 1 | /** Mikrophone Sensor |
| stefan1691 | 0:f5b93072ca28 | 2 | */ |
| stefan1691 | 0:f5b93072ca28 | 3 | #include "mbed.h" |
| stefan1691 | 0:f5b93072ca28 | 4 | |
| stefan1691 | 0:f5b93072ca28 | 5 | // Mikrophone |
| stefan1691 | 0:f5b93072ca28 | 6 | AnalogIn mikrophone( A3 ); |
| stefan1691 | 0:f5b93072ca28 | 7 | // Poti regelt den Schwellenwert |
| stefan1691 | 0:f5b93072ca28 | 8 | AnalogIn schwellenwert( A0 ); |
| stefan1691 | 0:f5b93072ca28 | 9 | |
| stefan1691 | 0:f5b93072ca28 | 10 | int main() |
| stefan1691 | 0:f5b93072ca28 | 11 | { |
| stefan1691 | 0:f5b93072ca28 | 12 | while(1) |
| stefan1691 | 0:f5b93072ca28 | 13 | { |
| stefan1691 | 0:f5b93072ca28 | 14 | float m = mikrophone.read(); |
| stefan1691 | 0:f5b93072ca28 | 15 | float s = schwellenwert.read(); |
| stefan1691 | 0:f5b93072ca28 | 16 | |
| stefan1691 | 0:f5b93072ca28 | 17 | if ( m > s ) |
| stefan1691 | 0:f5b93072ca28 | 18 | printf( "Schwellenwert erreicht %f > %f\n", m, s ); |
| stefan1691 | 0:f5b93072ca28 | 19 | |
| stefan1691 | 0:f5b93072ca28 | 20 | wait( 0.2 ); |
| stefan1691 | 0:f5b93072ca28 | 21 | } |
| stefan1691 | 0:f5b93072ca28 | 22 | } |