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

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Presentation transcript:

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

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

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

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

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

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

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

Bend Sensor resistance increases when bent

FSR (Force-Sensing Resistor) resistance drops when pressed

accelerometers inclination, acceleration

Typical data sheet for accelerometer

Specs & pricing table for accelerometers

IR distance sensors Sharp GP2D12 (AKA the toilet sensor)

Devantech SRF04 Ranger Ultrasonic distance sensor pulse length proportional to distance

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

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