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What will happen if we supply a voltage of 25V to the Vcc of the rotary encoder?

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What will happen if we supply a voltage of 25V to the Vcc of the rotary encoder?

(a) Damage is caused

(b) Module will shut down

(c) Module will not respond for the time the voltage is applied

(d) Module will function normally

I had been asked this question in an interview.

Question is from Rotary Encoder in section Interfacing of Sensors, Actuators, and Other Modules of Arduino

1 Answer

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The correct option is (a) Damage is caused

To elaborate: The rotary encoders are mostly built to work on a voltage of approximately 3.3V to 5V. Any voltage lower than that and the board will not be able to power on, but however any voltage significantly above that and the board may suffer permanent damage.

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