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Typical controller system sensors acquisition system (Doepfer box,) mapping software (Max) Output (Reason)

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Presentation on theme: "Typical controller system sensors acquisition system (Doepfer box,) mapping software (Max) Output (Reason)"— Presentation transcript:

1 typical controller system sensors acquisition system (Doepfer box,) mapping software (Max) Output (Reason)

2 useful resources Fraden, A Handbook of Modern Sensors MSI piezo manual sensorwiki.org Datasheets for components

3 Parts sources Digi-Key catalog Sparkfun.com Mouser catalog Mcmaster-Carr catalog Acroname Robotics

4 what to sense? position, velocity, acceleration, rotation temperature, light, sound pressure, torque, bending ON/OFF, constant or toggle

5 Switches discrete output Toggle,normally on, OR normally off can provide visual and tactile feedback

6 Potentiometers common types: linear taper, audio taper (log) rotary, linear, multiturn +V ref GND V out

7 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

8 Bend Sensor resistance increases when bent

9 FSR (Force-Sensing Resistor) resistance drops when pressed

10 accelerometers inclination, acceleration

11 Typical data sheet for accelerometer

12 Specs & pricing table for accelerometers

13 IR distance sensors Sharp GP2D12 (AKA the toilet sensor)

14 Devantech SRF04 Ranger Ultrasonic distance sensor pulse length proportional to distance

15 Hall effect Magnetic field sensors Allegro 1321 linear amplifier in chip!

16 Piezoelectric materials PZT PVDF Sensitive to vibration. Excellent drum triggers, contact microphones.


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