typical controller system sensors acquisition system (doepfer box,) mapping software (max) output...
DESCRIPTION
Parts sources Digi-Key catalog Sparkfun.com Mouser catalog Mcmaster-Carr catalog Acroname RoboticsTRANSCRIPT
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typical controller system
•sensors•acquisition system (Doepfer box,)•mapping software (Max)•Output (Reason)
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useful resources
•Fraden, A Handbook of Modern Sensors
•MSI piezo manual
•sensorwiki.org•Datasheets for components
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Parts sources•Digi-Key catalog•Sparkfun.com•Mouser catalog•Mcmaster-Carr catalog•Acroname Robotics
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what to sense?
•position, velocity, acceleration, rotation
•temperature, light, sound•pressure, torque, bending•ON/OFF, constant or toggle
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Switches•discrete output•Toggle,normally
on, OR normally off
•can provide visual and tactile feedback
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Potentiometers•common
types: linear taper, audio taper (log)
•rotary, linear, multiturn
+Vref
GND
Vout
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Other variable resistors:
V output
Variable resistor
R2
R1
Vout = Vref R2/(R1+R2)
If sensor range is 10k-35kΩ, and R2=20kΩthen Vout range is .66Vref
=> .36Vref
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• Bend Sensorresistance increases when bent
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• FSR(Force-Sensing Resistor)
resistance drops when pressed
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accelerometers•inclination, acceleration
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Typical data sheet for accelerometer
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Specs & pricing table for accelerometers
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IR distance sensors Sharp GP2D12
(AKA the toilet sensor)
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Devantech SRF04 RangerUltrasonic distance sensor
•pulse length proportional to distance
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Hall effectMagnetic field sensors
Allegro 1321 linearamplifier in chip!
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Piezoelectric materials
•PZT•PVDFSensitive to vibration. Excellent
drum triggers, contact
microphones.