This program can be use to open a door using an arduino MKR GSM 1400, a SD module, and a relay. The users allowed to open the door can make a call to the phone number of the sim card in the arduino to ...

Mobile phone is a revolutionary invention of the century. It was primarily designed for making and receiving calls & text messages, but it has become the whole world after the Smart phone comes into ...

In this application i have included 2 relays for two different electronic appliances to control via SMS. Relay 1 can be Switch on by sending SMS with "POWERON1" and Switch off by sending SMS with ...

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

Arduino today announces that the Arduino GSM Shield, developed in conjunction with Telefónica’s Physical Internet Laboratory, is now available to purchase. The GSM Shield adds a GPRS/GSM connection to ...

If you’ve spent much time tinkering with electronics, you’ve probably heard of [Seeedstudio] from their development boards, tools, and their PCB fabrication service. Their latest Kickstarter venture ...

Abstract: India faces the issue of energy theft at a very large scale. This paper introduces a system that removes human intervention in meter readings and bill ...