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sensor examples (switch (reel switch, toggle, press, microswitch,…
sensor examples
switch
reel switch
toggle
press
microswitch
debounce
strain gauge
direction
gauge factor K(sensitivity)
semicondutor strain gauge(6)
wheatstone bridge(voltage, arrangement)
infrared reflective sensor
modulated infrared light
phase-sensitive detector
cross-fire/retro-reflective/reflective
used as phtoelectric switch
example(3)
advantage(4)
disadvantage(2)
temperature sensor
thermistor
nonliner(PTC/NTC)
thermocouple
seebeck
solid-state temperature sensor(semiconductor diode)
capacitive proximity sensor
ad5
dis3
eg6
inductive proximity sensor
eg5
ad5
dis3
ultrasonic sensor
eg5
ad6
dis3
magnetic sensor
hall effect
perpendicular force
V = hiB
h depends on sensor material
can measure magnetic field through non-magnetic materials
pizoelectric sensor
quartz crystals with no centre of symmetry/PVDF/PZT
proportional to F
F has to change
integrate with a capacitor
potential meter
optical encoder