IoT has power to make the complete system automatic. There are various IOT communication protocols which are used in communication between devices in the IoT network. The wireless communication protocol is a standard set of rules with reference to which various electronic devices communicate with each other wirelessly.

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Home Alarm System for Raspberry Pi - How it works. Home Alarm System for Raspberry Pi - How it works. Home Alarm System for Raspberry Pi - How it works

Let’s be honest. We can’t put down our phones long enough to plug them into a speaker. Bluetooth to the rescue! With a love of all things DIY, I built my own set and thought I’d share the experience for anyone else looking to do the same. The basic components only cost about $35, although cost depends on how you want the finished product to look.

Virtually every electronic product is constructed with one or more printed-circuit boards (PCBs). The PCBs hold the ICs and other components and implement the interconnections between them. PCBs are created in abundance for portable electronics, computers, and entertainment equipment. They are also made for test equipment, manufacturing, and spacecraft.

Getting started with basic electronics is easier than you might think. This Instructable will hopefully demystify the basics of electronics so that anyone with an interest in building circuits can hit the ground running. This is a quick overview into practical electronics and it is not my goal to delve deeply into the science of electrical engineering.

Most standard appliances are designed to accept only AC (alternating current) voltages because that's how electricity is supplied from the grid. In order to run an electronic device from a DC (direct current) source you obviously need to transform it into AC.

You must have seen automatic door openers in shopping malls and other commercial buildings. They open the door when someone comes near the entrance and close it after sometime. A number of technologies are available to make such kinds of systems like PIR sensors, Radar sensors, Laser sensors, Infrared sensors, etc.

Air-powered water rockets are easy to build and the fuel is free, but do you want to push the envelope? How about a two-stage water rocket? And instead of pressurized air, how about an explosive gas? I know the perfect gas to use.