Component: Piezo Sounder (Audio Output)
| Author | Matrix TSL |
| Version | 1.0 |
| Category | Audio Output |
Contents
Piezo Sounder component
Drives a simple variable frequency piezo sounder in hardware and simulates the sound in simulation. To actually drive a piezo you may have to amplify the signal from the microcontroller using a transistor or MOSFET.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_PiezoSounder.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_PiezoSounder.fcfx
Detailed description
No detailed description exists yet for this component
Examples
Here is a simple example that will create a siren effect using a piezo sounder.
Piezo Siren
Depending on your Piezo Sounder you may need to amplify the signal from the microcontroller using a NPN transistor or N channel FET.
Macro reference
|
BuzzerBeep |
| Switches the buzzer on and off automatically to allow for a series of beeps | |
 - UINT
|
OnTime |
| Length of time in ms the buzzer will remain on | |
| - UINT
|
OffTime |
| Length of time in ms the buzzer will remain off | |
 - BYTE
|
NumberLoops |
| Number of times to repeat the sequence. Range 1-255 | |
| - UINT
|
Frequency |
| frequency in hz to output to the Piezo sounder | |
 - VOID
|
Return |
|
|
BuzzerOnDelay |
| Switch the Buzzer on for a fixed amount of time | |
| - UINT
|
Time |
| Time in milliseconds to keep the buzzer on | |
| - UINT
|
Frequency |
| Frequency to output in Hz | |
| - VOID
|
Return |
Property reference
|
Properties |
|
Output Pin |
| Pin used to drive the output to the buzzer | |
==Macro reference==
|
|
BuzzerBeep |
| Switches the buzzer on and off automatically to allow for a series of beeps | |
| - UINT
|
OnTime |
| Length of time in ms the buzzer will remain on | |
| - UINT
|
OffTime |
| Length of time in ms the buzzer will remain off | |
| - BYTE
|
NumberLoops |
| Number of times to repeat the sequence. Range 1-255 | |
| - UINT
|
Frequency |
| frequency in hz to output to the Piezo sounder | |
| - VOID
|
Return |
|
|
BuzzerOnDelay |
| Switch the Buzzer on for a fixed amount of time | |
| - UINT
|
Time |
| Time in milliseconds to keep the buzzer on | |
| - UINT
|
Frequency |
| Frequency to output in Hz | |
| - VOID
|
Return |
Property reference
|
|
Properties |
|
|
Output Pin |
| Pin used to drive the output to the buzzer | |
==Macro reference==
|
|
BuzzerBeep |
| Switches the buzzer on and off automatically to allow for a series of beeps | |
| - UINT
|
OnTime |
| Length of time in ms the buzzer will remain on | |
| - UINT
|
OffTime |
| Length of time in ms the buzzer will remain off | |
| - BYTE
|
NumberLoops |
| Number of times to repeat the sequence. Range 1-255 | |
| - UINT
|
Frequency |
| frequency in hz to output to the Piezo sounder | |
| - VOID
|
Return |
|
|
BuzzerOnDelay |
| Switch the Buzzer on for a fixed amount of time | |
| - UINT
|
Time |
| Time in milliseconds to keep the buzzer on | |
| - UINT
|
Frequency |
| Frequency to output in Hz | |
| - VOID
|
Return |
Property reference
|
|
Properties |
|
|
Output Pin |
| Pin used to drive the output to the buzzer | |
==Macro reference==
|
|
BuzzerBeep |
| Switches the buzzer on and off automatically to allow for a series of beeps | |
| - UINT
|
OnTime |
| Length of time in ms the buzzer will remain on | |
| - UINT
|
OffTime |
| Length of time in ms the buzzer will remain off | |
| - BYTE
|
NumberLoops |
| Number of times to repeat the sequence. Range 1-255 | |
| - UINT
|
Frequency |
| frequency in hz to output to the Piezo sounder | |
| - VOID
|
Return |
|
|
BuzzerOnDelay |
| Switch the Buzzer on for a fixed amount of time | |
| - UINT
|
Time |
| Time in milliseconds to keep the buzzer on | |
| - UINT
|
Frequency |
| Frequency to output in Hz | |
| - VOID
|
Return |
Property reference
|
|
Properties |
|
|
Output Pin |
| Pin used to drive the output to the buzzer | |
