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by dqpi
Wed Aug 21, 2013 4:31 pm
Forum: Automation, sensing and robotics
Topic: DMX Shield
Replies: 1
Views: 1997

DMX Shield

I come from years of Arduino and I am having a hard time finding a raspberry pi solution for DMX. For Arduino it was possible to buy inexpective DMX shields (5 euros). http://playground.arduino.cc/DMX/DMXShield For raspberry pi, the only possibility I can find is to use a USB to DMX controller, whic...
by dqpi
Wed Aug 21, 2013 4:25 pm
Forum: Camera board
Topic: Sense light level
Replies: 1
Views: 943

Sense light level

After trying the basic stuff with the raspberry pi camera I am now trying to dive a bit more into the code. What I am trying to do is to determine the brightness / light intensity in a picture caputured by the camera (or a video) at about 9 different points. I have no idea where to start, can somebo...
by dqpi
Sun Jun 16, 2013 12:10 am
Forum: Camera board
Topic: get timestamp on starting video capture
Replies: 0
Views: 1031

get timestamp on starting video capture

Hello, I've been playing with the camera module for a while but now I am trying to get two raspberrys wit camera modules to record in sync. I can send the recording command to both raspberrys at the same time but there seems to be a flexible time untill the camera actually starts recording. When I t...
by dqpi
Thu Jun 13, 2013 10:06 pm
Forum: Python
Topic: problems setting up socket communication
Replies: 6
Views: 2361

Re: problems setting up socket communication

That worked. Thank you for the solution.
by dqpi
Thu Jun 13, 2013 2:22 pm
Forum: Python
Topic: problems setting up socket communication
Replies: 6
Views: 2361

Re: problems setting up socket communication

Thank you for you replies!

The tutorial I was following seemed pretty straight forward and understandable for me (except from the problem I am running into). The link you send looks more complex than what I started initially. Do you not have an idea what I could have done wrong?
by dqpi
Wed Jun 12, 2013 8:53 pm
Forum: Python
Topic: problems setting up socket communication
Replies: 6
Views: 2361

Re: problems setting up socket communication

This line was in the comments on the tutorial page. When i do not add it I get the following error: Traceback (most recent call last): File "/home/pi/Desktop/Python/pythonserver.py", line 13, in <module> application.listen(8080) File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1343...
by dqpi
Wed Jun 12, 2013 8:33 pm
Forum: Python
Topic: problems setting up socket communication
Replies: 6
Views: 2361

problems setting up socket communication

hi, I am quite new to raspberry so I am probably making a beginner mistake here. I am trying to send a message from a html page to my raspberry and following this tutorial: http://niltoid.com/blog/raspberry-pi-arduino-tornado/ My problem is already in the first part. I installed everything as reques...
by dqpi
Fri May 24, 2013 12:26 pm
Forum: Camera board
Topic: 60fps video
Replies: 24
Views: 12843

60fps video

At different places I see different specs for the camera. I would like to record 720p with 60fps video. Can somebody tell me if this is currently possible and how I can achieve this? If I record a 1080p video with default settings (or -fps 30), the playback (mplayer) tells me its 25.000 fps.

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