SERVO Magazine - May 2014

Ways To Move Your Robot - Wheels & Tracks & Legs, Oh My!


Features

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Ways to Move Your Robot
by Gordon McComb
There are lots of choices when deciding how to make a mobile robot move. So, how do you choose? Selecting the right system starts with figuring out exactly what you want your automaton to do. Page 42

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All About PIC Pulse Width Modulation
by Thomas Henry
PWM is a valuable technique with many applications. If you’re unclear on this signal processing approach or are just having trouble figuring out the datasheets, this quick tutorial can help. Page 52

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Servos aren’t Just for Robotics Anymore
by Robert H. Walker
There’s a new application movement going on for our beloved robotic component: controlling model trains. Check out these cool methods that might inspire an idea for your next robot project. Page 58

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MF70 Micro Mill CNC Conversion
by Michael Simpson
In this installment of our conversion series, the necessary components and the software needed to control the mill will be discussed. Page 68

Projects

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Pool Bot

by Dave Prochnow

If you’ve got about $100 and a few hours, you’ll soon have an underwater ROV that can traverse your pool in search of treasure (or mermaids). Page 48

Columns

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Robytes
by Jeff Eckert
Stimulating Robot Tidbits (05.2014)
• No Captain, No Crew • Doc, Print Me a Liver • Inspired by Termites • An Egg for Couch Potatoes • Improved Robotic Ball Page 08

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GeerHead
by David Geer
Carnegie Mellon University CHIMP Robot
This DARPA Robotics Challenge contender is enabled for disaster recovery and rescue, and so much more. Page 12

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Ask Mr. Roboto
by Dennis Clark
Your Problems Solved Here (05.2014)
Issues with streaming video from your bot and making sense of micro-sensors. Page 16

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Then and Now
by Tom Carroll
Amateur Robotics Competitions and Exhibitions
These different group efforts make a big difference in the robotics community — especially for kids. Page 74

Combat Zone

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BUILD REPORT: Spanky Part 2: Modular Weapon Systems
in Combat Zone: Features
With the drive platform done and almost eight pounds to spare, there was a lot of room for the weapon systems. Page 28

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The Evolution of Attitude
in Combat Zone: Features
My venture into the three pound Beetleweight class began in 2009 when I was in the eighth grade. Page 31

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BUILD REPORT: Isotelus Rex — Part 4: The Sprint to the Finish Line
in Combat Zone: Features
In Part 3 of this series, I had received most of the parts and started work on the chassis. Is this part, I will put together the drive motors, complete the rest of the parts, and assemble the bot. I was on a tight deadline as there was only four weeks to go before the bot’s first event ... Page 35