Help triggering sound

[anon57585045]

@jhomewood

pinMode(SENSORPIN1, INPUT); // initiate SENSORPIN1 as an input
digitalWrite(SENSORPIN1, HIGH); // turn the pullup for SENSORPIN1 on

This is a very old, obsolete and non-portable version of:

pinMode(SENSORPIN1, INPUT_PULLUP); // initiate SENSORPIN1 as an input