Component: Piezo Sounder (Audio Output): Difference between revisions

Latest revision as of 14:23, 13 July 2026

Author	Matrix TSL
Version	1.0
Category	Audio Output

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

	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

	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

@@ Line 14: / Line 14: @@
 ==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: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_PiezoSounder.fcfx FC_Comp_Source_PiezoSounder.fcfx]
+Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_PiezoSounder.fcfx FC_Comp_Source_PiezoSounder.fcfx]
 ==Detailed description==
@@ Line 28: / Line 50: @@
 ==Examples==
@@ Line 45: / Line 83: @@
 [[File:BuzzerWire.jpg]]
-==Downloadable macro reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+==Macro reference==
+===BuzzerBeep===
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''BuzzerBeep'''
+| width="90%" class="mtx-class-macrohead" | '''BuzzerBeep'''
 |-
 | colspan="2" | Switches the buzzer on and off automatically to allow for a series of beeps&nbsp;
@@ Line 80: / Line 129: @@
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+===BuzzerOnDelay===
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''BuzzerOnDelay'''
+| width="90%" class="mtx-class-macrohead" | '''BuzzerOnDelay'''
 |-
 | colspan="2" | Switch the Buzzer on for a fixed amount of time&nbsp;
@@ Line 101: / Line 151: @@
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
 ==Property reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
+| width="90%" class="mtx-class-macrohead" | '''Properties'''
 |-
 |-
@@ Line 117: / Line 165: @@
 |-
 | colspan="2" | Pin used to drive the output to the buzzer&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-type-1-icon.png]]
-| width="90%" | Color
-|-
-| colspan="2" | Controls the color of the Buzzer object on the panel.&nbsp;
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connections'''
-|-
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Simulations'''
-|-
 |}

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