typical controller system • sensors • acquisition system (Doepfer box,) • mapping software (Max) • Output (Reason)
Download ReportTranscript typical controller system • sensors • acquisition system (Doepfer box,) • mapping software (Max) • Output (Reason)
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 +Vref Vout types: linear taper, audio taper (log) • rotary, GND linear, multiturn Other variable resistors: R1 Variable resistor V output R2 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.