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Sonar ping return is all over the place!

Could someone tell me why my ultrasound ranging is all over the place? I took data while I aimed it toward the carpet to simulate grass at a field. The return varies a lot. Is it the parallax ping sensor or do I need some sort of filter? The idea is

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Picaxe Chips and UAV

Good day,Anyone out there using the Picaxe Chips to control their UAV? Presently I am working on developing code for my project and I am still looking for a good GPS to integrate into my toy.At the moment there are so many GPS units out there that ma

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Kalman Filter

For those of us who lead a professional life devoted to business development after college, could someone run down the steps that are required to apply a Kalman filter to a collection of data? A pbasic example would help.

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Digital IO pins

I would like to start a conversation to help me understand how digital IO output works, whats with IO pins being high and low (on and off), how to identify the state of a device when certina pins are and high and low, etc....

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UAV law-International waters

I'm just trying to find the best place to use a uav far removed from shared airspace.Does anyone have knowledge of any restrictions for use at sea? I have been looking at the possibility of making a uav 1/2 scale cri-cri aircraft. Maybe I could deliv

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remote controlled helicopter cameraship

I'm designing a remote controlled helicopter cameraship for commercial work and would like to know if it's possible to extend the range of the camera's remote controls for record/pause, iris and zoom. These are usually infra-red line-of-sight. I wond

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Basic stamp networking

If I network 2 or more basic stamps together, for example to use my old bs2 as a slave with my bs2p as the master. Will this in effect, provide me with more overall processing power if I simply use the slave to process and send the results for a coup

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Predator

hello!i am new at this. But found this webpage and got interested right away! I really like the predator plane, but got some questions about it and uav`s.This predator plane is electric, how long is the flighttime on one of theese?How long can this f

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Introduction

Hi all, I've been lurking this site for a month or so and I finally decided to register. I just wanted to take the time to introduce myself; hopefully I'll be able to contribute to discussions when I am more experienced.I'm a junior at Roosevelt High

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