documentation v1.0

Source Code

These programs are available from the Sound Impact Sensor product page. Browse to www.parallax.com

and “Search” for 29132.

BASIC Stamp

2 Program

This program will display the current state of the output pin from the Sound Impact Sensor connected to

P0 using the Debug Terminal included in the BASIC Stamp Editor software, available for download from

www.parallax.com/basicstampsoftware

' {$STAMP BS2}

' {$PBASIC 2.5}

IF IN0 = 1 THEN ' When noise detected, display

DEBUG HOME, "Sound detected!", CLREOL ' a message

PAUSE 1000

ELSE ' If no sound is detected,

DEBUG HOME,"All is well", CLREOL ' display that all is well.

ENDIF

PAUSE 10 ' Short delay

LOOP ' Repeat

Propeller

™

P8X32A Application

This program will display the current state of the output pin from the Sound Impact Sensor connected to

P0 using the Parallax Serial Terminal. Note: This application uses the Parallax Serial Terminal.spin object

for displaying the state of the sensor. This object as well as the Parallax Serial Terminal itself is installed

with the Propeller Tool v1.2.6 which is available from the Downloads link at www.parallax.com/Propeller

{{ SoundImpactSensor_Simple.spin

Displays the current state of the output pin from the Sound Impact Sensor connected to P0

using the Parallax Serial Terminal. For P8X32A. }}

CON

_clkmode = xtal1 + pll16x ' System clock → 80 MHz

_xinfreq = 5_000_000

OBJ

pst : "Parallax Serial Terminal"

PUB Main

dira[0]~ ' Set pin 0 to input

pst.Start(115_200) ' Set Parallax Serial Terminal to 115,200 baud

repeat

if ina[0] == 1

pst.Str(string("Sound detected!")) ' When noise is detected, display a message

waitcnt(clkfreq + cnt) ' Wait 1 second

pst.Clear ' Clear the Parallax Serial Terminal

else

pst.Str(string("All is well.")) ' If no sound detected, display all is well

waitcnt(clkfreq/10 + cnt) ' Wait 1/10 of a second

pst.Home ' Move cursor to the top left corner of the PST