Archive for June, 2018
SMS based device control with GSM Modem on Raspberry Pi
June 19th, 2018 
admin
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
June 30th, 2018 admin 
#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); } 
Posted in Arduino 
Tags: 16x2 LCD, arduino, Arduino Interfacing, Arduino Programming, interfacing, lcd 
2 Comments »Interfacing of Arduino with 4×4 Keypad
June 30th, 2018 admin 
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 Posted in Arduino Tags: 16x2 LCD, arduino, Arduino Interfacing, Arduino Programming, interfacing, Keypad 3 Comments »
