Spy Cam Robot Part 2
So I’ve done some major addons for my robot. I added an Arduino Mega, 2 Maxbotix Sonar’s, and 2 rotary encoders. I visited Home Depot and Radio shack and picked up a breadboard, a 11″ x 14″ plexiglass panel, and some odds and ends to mount the panel to the frame. Spent the past 2 weeks of my spare time putting the new stuff on and mostly the last week doing the programming. Some brief info on the new stuff: The sonars have a range from 6″ up to about 10′, accurate to the nearest 1/4th”, although on the programming side I only get 1″ increments, and they can be read up to 20 times per second. The rotary encoders are infrared sensors the disk has 8 notches allowing 16 “ticks”, 1 on and 1 off. I wrote a small program to test them, and discovered that one wheel at full speed moves at about 4.5mph. Both wheels running simultaneously draws the battery more, and I get about 3mph. Wheel circumference is 32.5″, motor to wheel ratio is 21:1. So the Arduino had no problem reading the 850 ticks per second. So far I’m loving the Arduino. I thought I was going to have to learn Microsofts Robotic Developer Studio, but the little interface for uploading programs to the Arduino is very well done. A little research on www.arduino.cc and I was happily writing sketches to test everything! Right now the robot is still in mixed “tank” style control. Right now I’m working on more “Navigational” way of moving. Where if I move the joystick to the left, the robot turns until it faces west, then …
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Let’s Play Portal 2 – Part 2 – Silly Robot
Blind Let’s Play of Portal 2 for the PC! Thank you Razorpython for preordering this game for me i really appreciate it. In this episode we make our way through some more puzzles and get help from our friendly british robot friend 
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