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Introduction After seeing IBM computer Watson beat two former champions in Jeopardy earlier this year, I wondered if a simple robot could compete...
See system overview diagram & photos. I tried to make the parts list as complete as possible, but likely missed a few components, sorry about that....
Let’s start with an easy first step … Configure the universal remote control so that it can control a Sony TV. See photo for “Mad Dog Robot IR Remote...
Sketches 1-4 describe the components made out of ½ plywood, 2 x 4 stud, ¾ “ by 1 ½ hardwood, and 1” by ¼ “ aluminum bar stock. There are few other co...
Refer to sketch #5. Following drawer slide kit directions - attach the roller part to movable platform (part A), and other half to hardwood drawer sl...
See how-to link below for removing motors from electric drills. For this application I used an O-ring, rather than set-screws, to lock up the gear box...
The neck is a 6 inch long ½-13 carriage bolt coupled to the plywood disk [part b] with nut and washer. Two flange type ball bearings support it within...
Connect the aluminum main link [part K] to the plywood disk (part B) using a 1 1/2 inch quarter inch carriage bolt, 3/8 OD steel spacer, 2 to 3 ¼ inch...
With the linkage mechanism now attached to the neck, rotate the linkage to determine the maximum clockwise and counterclockwise positions - then deter...
Cut the head off a 3 inch long quarter-inch bolt, and clamp it in the chuck of the jaw drive mechanism motor so about 2 1/4 inch sticks out beyond the...
Using 1/8 thick, half-inch wide aluminum bar stock; fabricate the inverted U bracket as shown in the photo. With the inverted U bracket centered withi...
Assemble the Kiwi Patch PCB kit per the general instructions. See Picaxe 18M2 chip pinout diagrams in Picaxe Manual 1 for chip specific power, ground,...
I used a 2” by 2” piece of stripboard for the MOSFET board; link below is a good how-to for stripboard circuit construction. http://www.kpsec.freeuk....
IR Receiver PCB: The IR Receiver PCB board is constructed on stripboard 3/4 inch wide and 1 1/2 inches long. See the circuit diagram and photographs....
The jaw mechanism wiring harness includes a DPDT relay to allow reversing MOSFET PCB current polarity so jaw motor can run clockwise or counterclockwi...
Using a short section of 1 by 1 by 1/16 thick aluminum angle stock mount the on/off switch to the left hand side of the rear movable platform using ½”...
Download the PICAXE Programming Editor from the link below. http://www.rev-ed.co.uk/picaxe/software.htm Download file “Mad Dog Robot.bas” to your co...
Buy a good quality 12 inch wooden ruler, look for a ruler with nearly rectangular cross-section; beveled edges compromise the clamps ability to firmly...
The basic idea is to build the support stands under the Tic-Tac ruler as it is clamped in the mechanical jaw with the movable platform fully forward a...
Press remote 3 key to move robot into the “ready mode” position. Place the ruler with Tic-Tacs on the support stands. Press remote key 4. The Mad Dog...
While the Mad Dog Robot is an adequate proof of concept prototype there are still a few areas for improvement. The neck tilting mechanism can tilt th...
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