# Trying volume control of mp3 file with arduino flex sensor

**URL:** <https://discourse.processing.org/t/trying-volume-control-of-mp3-file-with-arduino-flex-sensor/6256>\
**Category:** Electronics (Arduino, etc.)\
**Created:** [December 3, 2018, 3:10pm UTC](https://discourse.processing.org/t/trying-volume-control-of-mp3-file-with-arduino-flex-sensor/6256 "2018-12-03T15:10:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![runwaysun](https://avatars.discourse-cdn.com/v4/letter/r/898d66/32.png) [@runwaysun](https://discourse.processing.org/u/runwaysun)\
**Post date:** [December 3, 2018, 3:10pm UTC](https://discourse.processing.org/t/trying-volume-control-of-mp3-file-with-arduino-flex-sensor/6256/1 "2018-12-03T15:10:13Z")

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Hi im very new to processing.

I want to control volume of a mp3 file with flex sensor.  
So if I bend the sensor the volume goes down.

Arduino circuit works and I get the serial but it doesn’t work with processing.  
Sound just breaks.

Can you guys give me any help? Thank you.