Q. Which bits of the Register A are used for turning on the oscillator?

View solution

Q. Which out of the following is correct about the SQW pin?

View solution

Q. What is correct about the UIP pin of the register A?

View solution

Q. What is the byte address where time, calendar, alarm address locations etc are kept?

View solution

Q. Are the RAM locations of the DS12887 non volatile?

View solution

Q. Name the read only registers are present in the DS12887?

View solution

Q. What is the supply that a DS12887 consumes even when the power is switched off?

View solution

Q. What is the principle on which electromagnetic relays operate?

View solution

Q. What are DPDT relays?

View solution

Q. Why do we need a ULN2803 in driving a relay?

View solution

Q. Why are solid relays advantageous over electromagnetic relays?

View solution

Q. What are optoisolators?

View solution

Q. How can we control the speed of a stepper motor?

View solution

Q. Which of the following can be a unit for torque?

View solution

Q. The RPM rating given for the DC motor is for?

View solution

Q. PWM allows the control of a DC motor with the same phase, but with different amplitude phases?

View solution

Q. How can the direction of the DC motor be changed?

View solution