# Processing for Pi

**URL:** https://discourse.processing.org/c/processing-pi/11.md?page=6

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 7

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## [Movie2Serial on Raspberry Pi (LED array)](https://discourse.processing.org/t/movie2serial-on-raspberry-pi-led-array/7036)

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**Author:** [@BuffaloFan32](https://discourse.processing.org/u/BuffaloFan32)\
**Replies:** 1\
**Last updated:** [January 7, 2019, 9:07pm UTC](https://discourse.processing.org/t/movie2serial-on-raspberry-pi-led-array/7036 "2019-01-07T21:07:53Z")

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I am new to the Raspberry Pi so I apologize in advance if I am missing something totally obvious. I am trying to play video on my LED WS2812 array. Currently, the array has 89 pixels per strip and 64 strips. In the pa…

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## [How to change I2C address of MLX90640 (32x24) thermal camera sensor?](https://discourse.processing.org/t/how-to-change-i2c-address-of-mlx90640-32x24-thermal-camera-sensor/6238)

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**Author:** [@achumarya](https://discourse.processing.org/u/achumarya)\
**Replies:** 1\
**Last updated:** [December 28, 2018, 5:56pm UTC](https://discourse.processing.org/t/how-to-change-i2c-address-of-mlx90640-32x24-thermal-camera-sensor/6238 "2018-12-28T17:56:10Z")

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Dear All, As I know so far, MLX90640 thermal camera sensor have options to change address. I want to change the I2C address, so that I can use multiple sensors of the same kind with different address… Datasheet page 19…

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## [Annotation processing got disabled, since it requires a 1.6 compliant JVM](https://discourse.processing.org/t/annotation-processing-got-disabled-since-it-requires-a-1-6-compliant-jvm/6697)

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**Author:** [@zeus](https://discourse.processing.org/u/zeus)\
**Replies:** 9\
**Last updated:** [December 23, 2018, 12:58am UTC](https://discourse.processing.org/t/annotation-processing-got-disabled-since-it-requires-a-1-6-compliant-jvm/6697 "2018-12-23T00:58:15Z")

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Can anyone help me with this error? “Annotation processing got disabled, since it requires a 1.6 compliant JVM” I am running a sketch in Processing 2.2.1 on a Pi 3B+ and I get this error no matter what sketch I try to …

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## [Pseye errors : libUsb bug](https://discourse.processing.org/t/pseye-errors-libusb-bug/6394)

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**Author:** [@matheplica](https://discourse.processing.org/u/matheplica)\
**Replies:** 1\
**Last updated:** [December 17, 2018, 3:16pm UTC](https://discourse.processing.org/t/pseye-errors-libusb-bug/6394 "2018-12-17T15:16:13Z")

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Hi, I’m trying to use the pseye library on my pi. At this line : ps3eye.init(60, PS3Eye.Resolution.VGA); I’ve got this error LibUsbException: USB error 6: error LibUsb.claimInterface: Resource busy

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## [Processing 3.4 removal](https://discourse.processing.org/t/processing-3-4-removal/6682)

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**Author:** [@zeus](https://discourse.processing.org/u/zeus)\
**Replies:** 6\
**Last updated:** [December 17, 2018, 8:31am UTC](https://discourse.processing.org/t/processing-3-4-removal/6682 "2018-12-17T08:31:00Z")

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Hello All, I need to remove Processing 3.4 and instead install 2.2.1 on a Raspberry Pi 3 B+ running Stretch. I have tried several different ways to remove/purge 3.4 but had no luck. How do I remove it? I installed 3.4 v…

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## [TCA9548 MUX with multiple sensors having same address](https://discourse.processing.org/t/tca9548-mux-with-multiple-sensors-having-same-address/6239)

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**Author:** [@achumarya](https://discourse.processing.org/u/achumarya)\
**Replies:** 0\
**Last updated:** [December 3, 2018, 2:37am UTC](https://discourse.processing.org/t/tca9548-mux-with-multiple-sensors-having-same-address/6239 "2018-12-03T02:37:10Z")

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One TCA9548 can connect 8 I2C slave devices . If these 8 slave devices have the same I2C slave address. How to access each slave device by TCA9548? Could anyone share some codes? Thanks in advance.

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## [Can't open Processing in other ARM devices](https://discourse.processing.org/t/cant-open-processing-in-other-arm-devices/5963)

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**Author:** [@tadeu21](https://discourse.processing.org/u/tadeu21)\
**Replies:** 0\
**Last updated:** [November 26, 2018, 5:52pm UTC](https://discourse.processing.org/t/cant-open-processing-in-other-arm-devices/5963 "2018-11-26T17:52:41Z")

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Hi, I’m a newbie to processing. I was trying to make the Visual Synth (https://pi.processing.org/tutorial/visual-synth/) work on the ARM devices i own: Pine A64+ (2gb) and Khadas Vim2 Pro. Both 64 bits. In both devices…

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## [GLCapture Not Working](https://discourse.processing.org/t/glcapture-not-working/5805)

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**Author:** [@MatterLinx](https://discourse.processing.org/u/MatterLinx)\
**Replies:** 4\
**Last updated:** [November 22, 2018, 7:50pm UTC](https://discourse.processing.org/t/glcapture-not-working/5805 "2018-11-22T19:50:30Z")

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Hello, i’m trying to get processing to work with my Raspberry Pi camera. I made sure the camera is enabled in the Raspberry Pi Configuration tool. I also added “bcm2835\_v4l2” to /etc/modules. The camera works properly…

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## [Processing, Raspberry Pi, and DotStar/neopixel](https://discourse.processing.org/t/processing-raspberry-pi-and-dotstar-neopixel/5608)

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**Author:** [@bluemoon](https://discourse.processing.org/u/bluemoon)\
**Replies:** 2\
**Last updated:** [November 20, 2018, 12:15am UTC](https://discourse.processing.org/t/processing-raspberry-pi-and-dotstar-neopixel/5608 "2018-11-20T00:15:49Z")

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Hey Folks, Has anyone used DotStar and NeoPixel LEDs with Processing and Raspberry Pi? It should be possible since Processing can access the GPIO but there’s not a library that I can find. Thanks for the help!

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## [Video Processing with a Rasperry Pi](https://discourse.processing.org/t/video-processing-with-a-rasperry-pi/5540)

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**Author:** [@dimpap5555](https://discourse.processing.org/u/dimpap5555)\
**Replies:** 5\
**Last updated:** [November 17, 2018, 10:55pm UTC](https://discourse.processing.org/t/video-processing-with-a-rasperry-pi/5540 "2018-11-17T22:55:59Z")

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Hello there. I have been working on a CV project with a raspberry pi for a Robotics Competition. I am not really experienced within the field of CV though (Working more on the electronics in general). So I am seeking you…

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## [GPIO with keyPressed()](https://discourse.processing.org/t/gpio-with-keypressed/5592)

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**Author:** [@Jerome](https://discourse.processing.org/u/Jerome)\
**Replies:** 1\
**Last updated:** [November 17, 2018, 1:19am UTC](https://discourse.processing.org/t/gpio-with-keypressed/5592 "2018-11-17T01:19:23Z")

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Hello! I use my Raspberry Pi with Processing and a GPIO push button. Every tests I made worked fine. But I need with this button something equivalent to the function keyPressed(). Is it possible? Or must I map the GPIO…

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## [Processing sound library on pi](https://discourse.processing.org/t/processing-sound-library-on-pi/5103)

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**Author:** [@gwenn](https://discourse.processing.org/u/gwenn)\
**Replies:** 4\
**Last updated:** [November 3, 2018, 4:50pm UTC](https://discourse.processing.org/t/processing-sound-library-on-pi/5103 "2018-11-03T16:50:40Z")

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Hi all, me again The sound library is working fine on the pi, but I am getting an issue (and I noticed someone on GitHub having a similar recent issue, but as of now that thread is unresolved) I am trying a super simpl…

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## [Problem with jump function in GlVideo](https://discourse.processing.org/t/problem-with-jump-function-in-glvideo/5119)

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**Author:** [@slow](https://discourse.processing.org/u/slow)\
**Replies:** 0\
**Last updated:** [November 2, 2018, 1:47pm UTC](https://discourse.processing.org/t/problem-with-jump-function-in-glvideo/5119 "2018-11-02T13:47:04Z")

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Hi, I’m building a video player based on GlVideo (Ubunut Linux 16.04 Processing 3.4) and I encounter a problem with the video.jump(float) function. The video seems to strangely fall down to fixed positions (8,3s, 16,6s,…

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## [Has anyone had any luck with the sound library on the pi 0?](https://discourse.processing.org/t/has-anyone-had-any-luck-with-the-sound-library-on-the-pi-0/4060)

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**Author:** [@gwenn](https://discourse.processing.org/u/gwenn)\
**Replies:** 6\
**Last updated:** [October 24, 2018, 7:58pm UTC](https://discourse.processing.org/t/has-anyone-had-any-luck-with-the-sound-library-on-the-pi-0/4060 "2018-10-24T19:58:48Z")

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Hello everyone According to https://learn.adafruit.com/adding-basic-audio-ouput-to-raspberry-pi-zero/pi-zero-pwm-audio there is a way to play audio out of the pi 0. I tried to reproduce it, followed all the instruction…

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## [Bluetooth Audio out using processing.sound on the Raspberry Pi](https://discourse.processing.org/t/bluetooth-audio-out-using-processing-sound-on-the-raspberry-pi/4702)

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**Author:** [@MArales314](https://discourse.processing.org/u/MArales314)\
**Replies:** 0\
**Last updated:** [October 20, 2018, 11:42pm UTC](https://discourse.processing.org/t/bluetooth-audio-out-using-processing-sound-on-the-raspberry-pi/4702 "2018-10-20T23:42:35Z")

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Has anyone been able to do this? I have tried selecting different output devices, but nothing seems to work. I do have the bluetooth speaker set up properly, and I am able to play through it using omxplayer. I googled ar…

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## [Sketch performance](https://discourse.processing.org/t/sketch-performance/4376)

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**Author:** [@stirman](https://discourse.processing.org/u/stirman)\
**Replies:** 6\
**Last updated:** [October 16, 2018, 4:28pm UTC](https://discourse.processing.org/t/sketch-performance/4376 "2018-10-16T16:28:51Z")

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Heya, I got this sketch running on my new Pi, but it’s barely moving. Maybe 2 or 3 frames/sec. Is there anything I can do to make this sketch run smoother? I’m new to Pi, so many thanks in advance for any help! Pi 3 B…

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## [MouseWheel issue - getCount stay at 0 with P3D, P2D renderer](https://discourse.processing.org/t/mousewheel-issue-getcount-stay-at-0-with-p3d-p2d-renderer/4129)

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**Author:** [@VCorboliou](https://discourse.processing.org/u/VCorboliou)\
**Replies:** 3\
**Last updated:** [October 12, 2018, 3:16pm UTC](https://discourse.processing.org/t/mousewheel-issue-getcount-stay-at-0-with-p3d-p2d-renderer/4129 "2018-10-12T15:16:25Z")

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Hi everyone, I experienced an issue using MouseWheel callback function on a raspberry Pi Model 3 b+ and processing 3.4. The function is executed but the MouseEvent.getCount() method is returning 0 when I scroll up or d…

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## [HTTP POST Request Issue](https://discourse.processing.org/t/http-post-request-issue/4338)

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**Author:** [@samcox89](https://discourse.processing.org/u/samcox89)\
**Replies:** 3\
**Last updated:** [October 12, 2018, 9:13am UTC](https://discourse.processing.org/t/http-post-request-issue/4338 "2018-10-12T09:13:50Z")

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Hi there, At a basic level, i’ve got a Raspberry Pi with MusicBox loaded. I’m using a second machine to change the audio using HTTP requests. My request is - { “method”: “core.playback.get\_current\_tl\_track”, “jsonrpc”:…

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## [P5.speech; Raspberry-pi Browser](https://discourse.processing.org/t/p5-speech-raspberry-pi-browser/4331)

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**Author:** [@bartan](https://discourse.processing.org/u/bartan)\
**Replies:** 1\
**Last updated:** [October 11, 2018, 11:25am UTC](https://discourse.processing.org/t/p5-speech-raspberry-pi-browser/4331 "2018-10-11T11:25:21Z")

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Hello everyone! I have got a problem with p5.js-speech, or p5.js-speech has a problem with my raspberry browser. I downloaded everything, which is necessary for this, linked it correctly, and my “code” works fine on my…

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## [Can use external camera on processing with raspberry](https://discourse.processing.org/t/can-use-external-camera-on-processing-with-raspberry/3935)

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**Author:** [@ruicarreira](https://discourse.processing.org/u/ruicarreira)\
**Replies:** 3\
**Last updated:** [September 30, 2018, 9:30pm UTC](https://discourse.processing.org/t/can-use-external-camera-on-processing-with-raspberry/3935 "2018-09-30T21:30:20Z")

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Hi! I installed Processing on my raspberry Pi 3 ModelB and I can’t use the external camera. “No such Streamer factory: v4l2src” is error when I try to execute my code. I really need fast help because I am doing a proj…

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## [Help building a distributed canvas](https://discourse.processing.org/t/help-building-a-distributed-canvas/3605)

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**Author:** [@cjs](https://discourse.processing.org/u/cjs)\
**Replies:** 6\
**Last updated:** [September 19, 2018, 6:45am UTC](https://discourse.processing.org/t/help-building-a-distributed-canvas/3605 "2018-09-19T06:45:41Z")

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Hello processing forum. I have questions to ask because i’m new to processing and i’m still confused. I will write my questions below. I want to make a distributed scetch which is shown on one machine while other machi…

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## [Help on programming ultrasonic sensor via raspberry pi](https://discourse.processing.org/t/help-on-programming-ultrasonic-sensor-via-raspberry-pi/3609)

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**Author:** [@reedoh](https://discourse.processing.org/u/reedoh)\
**Replies:** 1\
**Last updated:** [September 17, 2018, 9:43pm UTC](https://discourse.processing.org/t/help-on-programming-ultrasonic-sensor-via-raspberry-pi/3609 "2018-09-17T21:43:41Z")

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I tried to interfac ultrasonic sensor with raspberry pi…but don’t knoiw how to compute it on processing …can anyone help

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## [What's new for Pi & ARM in 3.3.7.1](https://discourse.processing.org/t/whats-new-for-pi-arm-in-3-3-7-1/1415)

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**Author:** [@gohai](https://discourse.processing.org/u/gohai)\
**Replies:** 4\
**Last updated:** [September 17, 2018, 6:28pm UTC](https://discourse.processing.org/t/whats-new-for-pi-arm-in-3-3-7-1/1415 "2018-09-17T18:28:42Z")

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Processing 3.3.7.1 is out of the oven. Here’s the build for ARM as well as our pre-configured Raspbian image. See our steps for how to get started with this those. Hope you enjoy! IO: pinMode() can now set pull-up and …

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## [Help! Has anyone gotten a mic to work with Minim on Raspbian?](https://discourse.processing.org/t/help-has-anyone-gotten-a-mic-to-work-with-minim-on-raspbian/1127)

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**Author:** [@Breadley](https://discourse.processing.org/u/Breadley)\
**Replies:** 2\
**Last updated:** [September 13, 2018, 9:14pm UTC](https://discourse.processing.org/t/help-has-anyone-gotten-a-mic-to-work-with-minim-on-raspbian/1127 "2018-09-13T21:14:48Z")

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Hi, I realize this is likely more of a Minim issue than Processing, but hoping I can find someone who has solved a similar problem here. I’m using minim to take a sound input and apply FFT transformations to a sketch. I…

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## [Best setting for RPi 3B/3B+](https://discourse.processing.org/t/best-setting-for-rpi-3b-3b/3501)

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**Author:** [@Gael](https://discourse.processing.org/u/Gael)\
**Replies:** 2\
**Last updated:** [September 13, 2018, 7:18pm UTC](https://discourse.processing.org/t/best-setting-for-rpi-3b-3b/3501 "2018-09-13T19:18:44Z")

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Hello, I just succed running processing and minim on pi3 B, and after lot of sweat, setting AudioInjector sound card (this could be a other topic)… I run fft from stereo input and full audio buffer reading for generati…

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## [Using Sensors and Pi](https://discourse.processing.org/t/using-sensors-and-pi/1189)

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**Author:** [@Zengirl2](https://discourse.processing.org/u/Zengirl2)\
**Replies:** 4\
**Last updated:** [September 7, 2018, 8:22pm UTC](https://discourse.processing.org/t/using-sensors-and-pi/1189 "2018-09-07T20:22:35Z")

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I’m used to using sensors on Arduino, but having problems understanding use on Pi. It seems Processing has GPIO function, but it isn’t clear to me whether you can hook up a Lux sensor (like TSL2561) to the Pi and expect …

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## [Installation on pi 0 W](https://discourse.processing.org/t/installation-on-pi-0-w/2648)

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**Author:** [@gwenn](https://discourse.processing.org/u/gwenn)\
**Replies:** 4\
**Last updated:** [August 16, 2018, 4:45am UTC](https://discourse.processing.org/t/installation-on-pi-0-w/2648 "2018-08-16T04:45:04Z")

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Dear all I am a little late in the game, but… Processing should work on the pi zero w (albeit slowly) right? Well I can’t install it. I am trying to run the command line from the terminal \`\`\` curl https://processing.…

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## [How can I do headless / virtual screen buffer pixel reading?](https://discourse.processing.org/t/how-can-i-do-headless-virtual-screen-buffer-pixel-reading/2346)

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**Author:** [@adellelin](https://discourse.processing.org/u/adellelin)\
**Replies:** 1\
**Last updated:** [August 4, 2018, 9:14pm UTC](https://discourse.processing.org/t/how-can-i-do-headless-virtual-screen-buffer-pixel-reading/2346 "2018-08-04T21:14:49Z")

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Hi I currently have a setup with Processing running on Raspberry Pi, sending artnet messages across multiple universes to some Teensy’s to do LED lighting animations using @cansik 's artnet library. I’m running into ser…

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## [Create new GLMovie in OSC callback](https://discourse.processing.org/t/create-new-glmovie-in-osc-callback/2141)

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**Author:** [@flashbacker](https://discourse.processing.org/u/flashbacker)\
**Replies:** 12\
**Last updated:** [July 30, 2018, 9:23am UTC](https://discourse.processing.org/t/create-new-glmovie-in-osc-callback/2141 "2018-07-30T09:23:49Z")

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Hello, I’m running in a little problem while trying to improve my basic video player project (which is working) on a PI. I would like to move the declaration of my GLMovie from setup() to my osc callback. I’ve read a …

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## [Taking Screenshot with OpenGL sketch](https://discourse.processing.org/t/taking-screenshot-with-opengl-sketch/2064)

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**Author:** [@monkstone](https://discourse.processing.org/u/monkstone)\
**Replies:** 12\
**Last updated:** [July 27, 2018, 5:53pm UTC](https://discourse.processing.org/t/taking-screenshot-with-opengl-sketch/2064 "2018-07-27T17:53:37Z")

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Previously I tried to take screenshots of opengl sketches with scrot, but that doesn’t work see Processing window not showing in screenshot, however the raspi2png app which is easy to install does work. Scrot raspi2p…

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