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Published byYohanes Susman Modified over 6 years ago
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CenSSIS/NE-LSAMP REU “LabVIEW control of the Sport232 Interface”
Sara Grier - Northeastern University Advisor: Professor Michael Ruane - Boston University Disadvantages of Sport232 Advantages of Sport232 Objectives Implement an image-driven feedback system Replace more expensive electronics with Sport232 Create LabVIEW imaging and interface controls Gain experience in electronics Can only send out 5 volts Does not have analog output port Must include 0.5s time delay between actions of continuous data Duty Cycles can only be set in 1% intervals Less expensive COTS Pulse Width Modulator pin Straight or Null modem cable 5 ports/11 analog input pins Includes Stepper Motor Controller Capturing Image LabVIEW National Instruments Used by 90-95% of fortune 500 companies Graphical Programming Language Configuration of Ports Pulse Width Modulation HS-55 Servo Wiring Black – ground Red – power Yellow - signal Can turn in 3 specific degree points 10 degrees – left 15 degrees – center 20 degrees - right Square Wave Duty Cycle Represented by a square wave Duty cycle – describes whether the pulse is on or off Frustrations Future Steps Jumper Settings Obtaining a relay Generalizing the actuator Integrate with existing LabVIEW controller Jumper Settings RS-232 DB9 Loop-back Test Swapping boards Call the vendor CenSSIS is a National Science Foundation Engineering Research Center supported in part by the Engineering Research Centers Program of the National Science Foundation (Award # EEC )
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