# Get data from ultrasonic sensor hc-sr04 on Raspberry Pi

**URL:** <https://discourse.processing.org/t/get-data-from-ultrasonic-sensor-hc-sr04-on-raspberry-pi/11478>\
**Category:** Libraries\
**Created:** [May 21, 2019, 10:05pm UTC](https://discourse.processing.org/t/get-data-from-ultrasonic-sensor-hc-sr04-on-raspberry-pi/11478 "2019-05-21T22:05:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![petemanzel](https://avatars.discourse-cdn.com/v4/letter/p/e8c25b/32.png) [@petemanzel](https://discourse.processing.org/u/petemanzel)\
**Post date:** [May 21, 2019, 10:05pm UTC](https://discourse.processing.org/t/get-data-from-ultrasonic-sensor-hc-sr04-on-raspberry-pi/11478/1 "2019-05-21T22:05:38Z")

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Hello, i intend to visualize realtime sensor data from an ultrasonic sensor (hc-sr04) on an Raspberry Pi with p5.js. How can i read in the data?

Thanks!

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**Author:** ![jeremydouglass](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/jeremydouglass/32/20_2.png) [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)\
**Post date:** [May 24, 2019, 2:12pm UTC](https://discourse.processing.org/t/get-data-from-ultrasonic-sensor-hc-sr04-on-raspberry-pi/11478/2 "2019-05-24T14:12:45Z")

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Have you tried checking previous forum posts about using ultrasonic sensors?

[https://discourse.processing.org/search?q=ultrasonic](https://discourse.processing.org/search?q=ultrasonic)

[https://discourse.processing.org/search?q=hc-sr04](https://discourse.processing.org/search?q=hc-sr04)