Q. DS12887 is known for as a

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Q. DS1307 is a parallel RTC with I2C bus.

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Q. DS1307 is a _______ pin IC and operates on_______ clock frequency.

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Q. Vbat requires a positive signal of

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Q. SQW(pin no 7) is an

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Q. DS1307 has a total of _______ bytes of RAM space?

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Q. DS1307 control register has an address of

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Q. What does the CH bit of the DS1307 demonstrate?

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Q. Why are relays used for driving the motors?

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Q. Why are ULN2803 normally used between the micro controllers and the relays?

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Q. Why are opto isolators normally used between the micro controllers and the ULN2803?

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Q. Which of the following is a type of a electromagnetic relay?

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Q. Reed switches show connectivity whenever they are in the presence of an electrical field?

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Q. Which of the following is an application of stepper motors?

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Q. What are normal 4 step sequence of a stepper motor if we start to move in clockwise direction with 0110 value?

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Q. What is the meaning of a step angle?

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Q. For a normal 4 step sequence, what are number of teeth required to accomplish a 2 degree step angle?

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Q. Ounch-inch is a unit of a torque.

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Q. Why do we make the connection of the SCLK for communicating serially between two devices?

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Q. What is the function of the CE pin in SPI?

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