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Details of Port 0 of 8051 Microcontroller

It is a 8 bit port.   It requires pull-up register to operate properly because it is open source configuration.  

Interfacing of 8051 Microcontroller with LCD

Interfacing-of-8051-Microcontroller-with-LCD Introduction to Interfacing of 8051 Microcontroller with LCD Interfacing of 8051 microcontroller with LCD is one of the very important step in learning the hardware and programming of the microcontroller 8051 based project. Many microcontroller based project required to communicate with the alphanumeric LCD. the most popular alphanumeric LCD is the 16×2 alphanumeric LCD. In […]

SMS based device control with GSM Modem on Raspberry Pi

import serial import RPi.GPIO as GPIO import sys, math import io import os,time import string GPIO.setmode(GPIO.BCM) #print (“rcv”) # Enable Serial Communication port = serial.Serial(“/dev/ttyS0″, baudrate=115200, timeout=1) # Transmitting AT Commands to the Modem # ‘\r\n’ indicates the Enter key # at_command=to_bytes(‘AT\r\n’) port.write(b”AT\r\n”) port.flush() rcv = port.read(20) print(rcv) time.sleep(1) port.write(b”AT+CMGR=1\r\n”) port.flush() rcv = port.read(250) print(rcv) […]

Interfacing of Arduino with 16×2 LCD Display

#include <LiquidCrystal.h> // initialize the library with the numbers of the interface pins LiquidCrystal lcd(7, 6, A0, A1, A2, A3); void setup() { lcd.begin(16, 2); } void loop() { // Print a message to the LCD. lcd.print(“Welcome…”); delay(4000); lcd.clear(); lcd.print(“Novel Technology”); delay(4000); }

Interfacing of Arduino with 4×4 Keypad

int row[]={11,10,9,8}; int col[]={5,4,3,2}; int i,j; int col_scan; void setup() { Serial.begin(9600); for(i=0;i
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