2.3.1 What are the Flex Sensors?
Flex sensors are sensors that change in resistance depending on the
amount of bend on the sensor.
Then they convert the change in bend to electrical resistance , the
more the bend, the more the resistance value.
They are usually in the form of a thin strip from 1"-5" long that vary in resistance
This sensor can be made uni-directional or bi-directional
Fig 2.7 Flex sensor
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