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What will happen if we start using the Nokia 5110 GDM without resetting?

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What will happen if we start using the Nokia 5110 GDM without resetting?

(a) Damage is caused

(b) Module will work fine

(c) Module will not respond indefinitely

(d) Module will overheat

The question was posed to me at a job interview.

The query is from OLED Display Module in division Interfacing of Sensors, Actuators, and Other Modules of Arduino

1 Answer

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Right option is (a) Damage is caused

The best I can explain: The Nokia 5110 Graphical Display Module  requires you to apply a pulse to the RST pin which clears all the internal registers and primes the module to start accepting new commands. So it is always necessary to wipe out the residual data.

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