Complete the Lesson with Eight LEDs with 74HC595.This code uses a shift register to use a single data pin to light up 8 LEDs.Run the code with the loop() replaced withvoid loop (){}leds = 0b00001111;Serial.println(leds);00digitalWrite (latchPin, LOW);shiftOut (dataPin, clock Pin, MSBFIRST, leds);digitalWrite (latchPin, HIGH);delay (1000);Which LED lights are turned on?QAQBQCQDQEQFQGQH // define the LED digit patterns, from 0-13// 1 = LED on, 0= LED off, in this order://74HC595 pin20, 01, 02, 03, 04, 05, 06, 07byte seven_seg_digits [14] = {B01111010, // = DB10011100,// = CB00111110, //= BB11101110,//= AB11100110, //=9B11111110, //=8B11100000, // = 7B10111110, //= 6//=5B10110110,B01100110,//= 4B11110010, //= 3B11011010,// = 2B01100000,// = 1B11111100, //=0// connect to the ST CP of 74HC595 (pin 9, latch pin)int latchPin = 9;// connect to the SH_CP of 74HC595 (pin 10, clock pin)int clockPin = 10;}};// connect to the DS of 74HC595 (pin 8)int dataPin = 8;void setup () {// Set latchPin, clockPin, dataPin as outputpinMode(latchPin, OUTPUT);}pinMode (clockPin, OUTPUT);pinMode (dataPin, OUTPUT);// display a number on the digital segment displayvoid sevenSegWrite (byte digit) {// set the latchPin to low potential, before sending datadigitalWrite (latchPin, LOW);// the original data (bit pattern)|shiftOut (dataPin, clockPin, LSBFIRST, seven_seg_digits [digit]);// set the latchPin to high potential, after sending datadigitalWrite (latchPin, HIGH);

In the given code, the variable "leds" is set to 0b00001111, which is a binary representation of the…

Answered: Which LED lights are turned on? QA OB…

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Which LED lights are turned on? QA OB Qс QD QE QF QG QH

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ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

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Printers

A printer is an electronic external output device that accepts images and text files from the computer or other electrical devices to generate a hard copy (by transferring the files or images to papers). Printers can be connected to the computers either by direct connection or through the internet. A printer is one of the popular peripheral devices, which is used to print documents. A document can contain an image, text, or a combination of both.

Question

Complete the Lesson with Eight LEDs with 74HC595.
This code uses a shift register to use a single data pin to light up 8 LEDs.
Run the code with the loop() replaced with
void loop ()
{
}
leds = 0b00001111;
Serial.println(leds);
00
digitalWrite (latchPin, LOW);
shiftOut (dataPin, clock Pin, MSBFIRST, leds);
digitalWrite (latchPin, HIGH);
delay (1000);
Which LED lights are turned on?
QA
QB
QC
QD
QE
QF
QG
QH

// define the LED digit patterns, from 0-13
// 1 = LED on, 0= LED off, in this order:
//74HC595 pin
20, 01, 02, 03, 04, 05, 06, 07
byte seven_seg_digits [14] = {
B01111010, // = D
B10011100,
// = C
B00111110, //= B
B11101110,
//= A
B11100110, //=9
B11111110, //=8
B11100000, // = 7
B10111110, //= 6
//=5
B10110110,
B01100110,
//= 4
B11110010, //= 3
B11011010,
// = 2
B01100000,
// = 1
B11111100, //=0
// connect to the ST CP of 74HC595 (pin 9, latch pin)
int latchPin = 9;
// connect to the SH_CP of 74HC595 (pin 10, clock pin)
int clockPin = 10;
}
};
// connect to the DS of 74HC595 (pin 8)
int dataPin = 8;
void setup () {
// Set latchPin, clockPin, dataPin as output
pinMode(latchPin, OUTPUT);
}
pinMode (clockPin, OUTPUT);
pinMode (dataPin, OUTPUT);
// display a number on the digital segment display
void sevenSegWrite (byte digit) {
// set the latchPin to low potential, before sending data
digitalWrite (latchPin, LOW);
// the original data (bit pattern)|
shiftOut (dataPin, clockPin, LSBFIRST, seven_seg_digits [digit]);
// set the latchPin to high potential, after sending data
digitalWrite (latchPin, HIGH);

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