Radio Shack Mobile Robot manual Technical Specifications

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Technical Specifications

Body: .062 aluminum - cut, punched, and formed.

Configuration: 3-wheel, front wheel drive, rear wheel steer.

Dimensions: 10" x 10", 5" tall, 2-1/4 lbs.

Payload capacity: 1 lbs.

Wheel size: 3.25" diameter.

Drive Motor: 12 volt DC gear motor, 74 full load RPM, 1.6 amp full load current.

Quality machined wheel coupling and bearings.

Optical wheel encoder for distance measurement

Encoder: 20 counts per revolution - 2 per inch of travel (1/2” resolution).

Motor driver: H bridge - 1 amp max.

Speed control: Pulse Width Modulation.

Controller PCB size: 2.1" x 6"

Steering Motor: Standard size RC servo motor.

Power source: 8-AA cells in removable pack.

Runs on 8 AA-cell batteries for 5 hours or more.

Current draw: 50ma at standstill, 200ma with motor running typical.

Coprocessor: PIC16F84 for motor control.

Expansion connector - 40 pin (2x20) IDC .1 centers.

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Contents Assembly and User Guide ARobot Mobile Robot Connectors Introduction About ARobotBasic Stamp II Control Computer Feature List What You’ll NeedTechnical Specifications Precautions Component Locator ControllerGlossary of Terms Glossary of Terms Glossary of Terms Assembly Overview Parts Quantity Description Used ForAbout Screw, nut, and washer sizes Parts Motor Brackets Paint Primer PaintingSanding Finish CoatWhiskers SummaryHow it Works Whisker Detail Full Scale Whisker Wire Pattern Drive Motor and Brackets Encoder Sensor Front Wheel Assembly Steering Motor and Rear Wheels Steering Motor Mounting Wheel and Axle Steering System Controller Board Battery Pack Don’t install batteries yetSummary Don’t install batteries yet Body Cable Finishing Up Basic Stamp II Installation About the Controller BoardProgramming USB Port Cable to your PCPC Editor/Downloader Software Programming NoteTest Program TEST.BS2 Steering Adjustment Program STRAIGHT.BS2Programs Wander Program WANDER.BS2About the Controller Board Power On/Off Switch Reset ButtonBatteries LED indicators SpeakerPush Buttons and Jumpers switches Drive Motor and EncoderSteering Motor Coprocessor Command Summary Example !1M11200E7RC Servo Motor and Steering Motor Control Coprocessor Communication RulesHexadecimal, Binary, Bytes, Words, etc Serial Port J12 Battery Connector J9Body Connector J8 PinoutPowerful Connector J11 RC Servo Motor Connectors J2-J5Drive Motor Connector J10 Voltage 12 volts Maximum Current 500ma PinoutExpansion Connector J1 Expansion Port RC Servo Motor SignalsExpansion Port Circuit Examples Digital Inputs Switch Input ExampleDigital/Power Output Sensor Input ExampleAnalog Inputs Basic Stamp II light sensor example codeCoprocessor Network Expansion CommunicationsUsing Other Controllers Using ARobot’s controller as a coprocessorCabling between ARobot’s controller and another controller Suggested Reading Component Suppliers Stock Drive Products Sava IndustriesSmall Parts SuperCircuitsInternet Robot Resources Web SitesInternet News Groups Newsgroup NameDescriptionTroubleshooting Warranty Information Arrick RoboticsRobotics.com