Mini UAV using Parallax Propeller chip

Fun & Games Technology
Mini UAV using Parallax Propeller chip

Here’s a work-in-progress, from a guy who’s building a mini UAV, using a Blade CX2 R/C helicopter and the awesome Parallax Propeller Chip. He writes of the build:

The CX2 controller has 4 potentiometers into which I spliced a breadboard.  A Parallax Propeller (prop chip) is used to read the control stick voltages through a simple Delta – Sigma ADC… receive live data from another prop-based system resident on the heli, some control laws are (will be) applied, and the new voltages are output using a PWM based DAC (couplea caps, couplea resistors…).  The prop also can talk to a laptop thru its USB port.  I have some java code which displays various outputs (very much a work in progress and not currently a high priority).

Helicontrol – [via] Link

From the pages of MAKE:
Propeller Chip. BASIC Stamp’s Chip Gracey puts a new spin on microcontrollers. Read this article in MAKE: 10: Home Electronics, Page 76. To get MAKE, subscribe or purchase single volumes. Subscribers–read this article now in your digital edition!

2 thoughts on “Mini UAV using Parallax Propeller chip

  1. edward99 says:

    What’s Next after Web 2.0?

    I do not like those buzz words like Web 2.0, Business 2.0 etc., however in order to communication, you have to conform to their protocols, otherwise they might think you are speaking in a foreign language. So far Web 2.0/Internet 1.0 lead by Youtube, FaceBook, same Amazon, New Yahoo! and New Google is successful, though at not successful as Web 1.0/Internet 0.0 led by Old Yahoo!, Ebay, Amazon and Old Google. Why? Not a big surprise anymore when from Web 1.0/Internet 0.0 to Web 2.0/Internet 1.0 as opposed from nothing to Web 1.0/Internet 0.0.

    I believe the next after Web 2.0/Internet 1.0 is Web 3.0/Internet 2.0, however we’d better to call it Internet 2.0, since at that time, Web is not that important any more. Why?

    Web 1.0/Internet 0.0 – Informed, you as a reader

    Web 2.0/Internet 1.0 – Inform, you as a writer

    Internet 2.0 (as opposed as Web 3.0/Internet 2.0) – formation of Information, you as a reader, writer, and much more

    – BTW I am writing this post while I am watching a lecture C++0x (yes, C++0x) on at Univ. of Waterloo made by Prof. Bjarne Stroustrup – Prof. Stroustrup, think about C++ 3.0, borrow somthing nice from Ruby, the world is way too different now as opposed to 1980s

    Frontier Space –
    Frontier Blog –

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at

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