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Old May 02, 2011, 06:56 PM
Yes, "that" Karl...
karl k's Avatar
Canada, BC, Burnaby
Joined Mar 2007
1,680 Posts
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Diy osd

Has anyone made their own OSD system using Arduino for processing and a Tellymate for injecting the data onto the screen? The Arduino can interface with GPS modules and sensors that use the I2C interface as well as analog sensors. This info could then be displayed on the OSD

Arduino:
http://arduino.cc/en/Main/ArduinoBoardProMini

Tellymate:
http://www.batsocks.co.uk/products/O...20Kit.htm#nogo

Let me know if it has been hashed out before.
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Old May 02, 2011, 08:12 PM
Senior Gravity Checker
Tampa, Florida
Joined Mar 2001
1,046 Posts
A bob-4 board would give you nicer fonts and graphics.
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Old May 03, 2011, 12:31 AM
Registered User
Brazil, PE, Recife
Joined Apr 2011
84 Posts
I used a MAX7456 chip in combination with the Ardupilot Mega to put info on screen. It's relatively easy to use. You need some time for developing the characters. The easiest way is to get the zip package with the utilities for the chip and then load the chardata through a serial tunnel on the arduino.

http://www.maxim-ic.com/datasheet/index.mvp/id/5516

The chip is capable of doing numbers and logo's and all kinds of icons. It's not a good chip for line drawing though or vertically placed text.

Quad - More tests in the park (3 min 15 sec)
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