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dongravelle

R/C Rockets & PIC Micro Controllers

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I fly high-powered rockets (450 MPH, 3,000' altitude). They have automated systems for parachute deployments. I have built in various radio-controlled backup deployment systems. As well, I built a rocket with a radio controlled square parachute (rather than a conventional unsteerable round), using automated deployment with R/C backup reserve parachute deployment.

For all these projects, I have used a mechanical switch (a servo with metal contacts) to manually fire the explosive charges needed to deploy the parachutes. I recently discovered the PIC10F20X family of microcontrollers. I plan to replace the mechanical switches with these little chips.

I have begun testing a system which is virtually identical to the Bit-Switch project shown on this website. I am an experienced programmer, and I have the needed compiler, simulator, etc, as well as the needed hardware to transfer the compiled hex file to the chip itself.

Since I am unfamiliar with this computer's instruction set, I am struggling a little getting going on the software itself. I am great when I have examples of new stuff, but I am a little slow figuring it out myself.

Is it possible to get a copy of the source files for the software for the Bit-Switch project?

Thanks for your help!

Don Gravelle

donald[AT]kingston.net

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The source code is not available. However, there is an endless amount of generic PIC source code on the net. Some links are in the "Use Links" forum, but Google works best for searching for examples. Also, the Microchip web site has many PIC app notes that are useful.

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I can certainly understand if you don't want to give the source away. And yes, I agree there are many (too many!) examples on the Internet. The problem is sorting through the chaff to find the wheat.

I just find it a little odd. You publish schematics of the hardware. Why be so secretive with the software?

I just thought you would be able to give me a little guidance to help get me started.

Thanks for your help.

Donald

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My code uses some C libraries from the work place, so it cannot be posted to the public. I don't have any generic R/C related source code to offer, but the various R/C examples on the net should get you going. For example: http://www.rc-float-flying.rchomepage.com/...Web/PIC/PIC.htm

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