SERVO Magazine - July 2014

Using R/C SERVO Motors For Robotics


Features

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Understanding the PIC Capture Module
by Thomas Henry
The capture module is so handy, it’s a shame not to know how to use it. Why, you ask? Its primary purpose is to accurately measure the period or duty cycle of an incoming pulse wave — a capability that’s invaluable in reading a wide variety of sensors. Page 50

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Using Radio Control Servo Motors in Robotics
by Gordon McComb
Servo motors have earned an important place in robotics. Discover what you need to know to use R/C servos in your next automaton. Page 56

Projects

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MF70 Micro Mill CNC Conversion

by Michael Simpson

In Part 4, we’ll switch things up a bit and combine the electrical hookup and configuration together so you can get your machine moving as soon as possible. Page 5

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The Manta Ray — Part 2

by Chris Savage

Wrap-up on the build of this flexible robot platform, and a few minor adjustments. Page 70

Columns

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GeerHead
by David Geer
A Deep Dive With the Bluefin-21 AUV
This robot sub is highly modular and offers one of the best autonomous subsea platforms available. As such, it was implemented in the search for missing Malaysian flight MH370. Page 10

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Ask Mr. Roboto
by Dennis Clark
Your Problems Solved Here
Questions asked and answered include sharpening tool steel, “going green” with lubricants, protecting aluminum tubing from dings and scratches, and how to get multiple parts of a robot head moving. Page 14

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Robytes
by Jeff Eckert
Stimulating Robot Tidbits (07.2014)
• Cargo ’copter Works via Tablet • NASA to Employ Surgery ’bot • Not Setting Speed Records • Nice to Feel Needed Page 75

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Then and Now
by Tom Carroll
Robot Control Via Speech Recognition
Speech understanding and recognition are not as simple for robots as you might think. However, there are some interesting products available that may help your bot figure out what the heck you want. Page 75

Combat Zone

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EVENT REPORT: I was a Team’s Toadie
in Combat Zone: Features
The event was streamed live at www.twitch.tv/robotrevo. (You can go back and watch all the fights, as well as all the in-between stuff.) Page 28

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BUILD REPORT: Dolos: A Trip into the Used Bot Lot
in Combat Zone: Features
Dolos began its existence in 2008 under the name Test Bot 4.5 SP1, and was originally built by Charles Guan. Page 30

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Getting Started: Before You Build Your First Bot
in Combat Zone: Features
Maybe you’ve seen video on the Internet, event reports here in SERVO, actually been to an event, or remember when robot combat was on TV. Page 32

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BUILD REPORT: Team Toad Validates the Lifting Wedge at the STEM Tech Olympiad 2014
in Combat Zone: Features
Ever since Peter Abrahamson described the sport of robot combat as Rochambeau (spinner, flipper, wedge), the challenge has been to build a robot that could do two things well. Page 34

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BUILD REPORT: Crop Circle
in Combat Zone: Features
It’s probably a sign someone has been doing this too long when — upon sifting through ye olde junk box and coming across two needle bearings, a shaft, a piece of mild steel, and a brushless motor — the only thing that comes to mind is combining the steel with the shaft, inserting it into the bearings, hooking up the brushless, and wondering what’s got the cat so worked up. Page 38

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BUILD REPORT: Printing Cheese
in Combat Zone: Features
The 3D printing phenomenon had more or less passed me by. I had learned to use one at the TechShop in Raleigh, NC, but that wonderful resource closed days after my course and I never got a chance to use their machines. Page 41