A force sensor is a transducer that converts a mechanical force input into an electrical output signal. Most force sensors operate on the principle that the resistance of silicon embedded piezoresistors will increase when they flex under an applied force. The sensor concentrates force from the application through a plunger directly to the piezo silicon sensing element. The amount of resistance changes in proportion to the amount of force being applied. This change in circuit resistance results in a corresponding voltage output level.
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