SCADA Basics: An Overview of Automatic Control Systems

SCADA relates to software which is used to control hardware and acquire data from these devices. When we break it down to essentials, we have Supervisory control and data acquisition, which...

Wireless Water-Level Indicator Without MCU

A wired water-level indicator uses many wires, whose resistance increases as their length increases. A wireless water-level indicator using microcontroller (MCU) is costly and not very easy to program. Presented here...
Android Project Ideas

Top 20 Android Project Ideas

There is a lot of confusion among students when it comes to projects. Now-a-days almost everybody is aware of Android and its features. Android projects are a preferable option because of...
Top 20 RFID project ideas

Top 20 RFID Project Ideas

Radio-Frequency Identification (RFID) is a technology that uses radio-frequency electromagnetic fields to transfer information from a tag to RFID reader for identification purposes. The tags do not require battery power. They...
humidity sensor

Humidity Sensor: Basics, Usage, Parameters and Applications

Sometimes, after rains, the air feels moist. The water seems to have suspended in the air. However, in certain AC’s you click some buttons and the atmosphere brightens up. How and...

A Guide To Model Rocketry

Model rocketry is an interesting hobby. To have a safe and predictable flight, rocketeers must have keen interest and some experience in the field. Lack of insight into the underlying technology...

Get Set To Start Arduino Programming

Arduino is one of the most conveniently designed and efficiently structured prototype open source platforms available. What makes Arduino unique is the ease of putting across its instructions to the microcontroller...
antenna design ebooks

Learn to Design: 5 Free Ebooks on Antenna Design

While there are a lot of books out there on EM waves and antenna design, they have been written for a very wide range of engineers. Ranging from a novice to...

Controlling 3-Phase Induction Motors Using VFD And PLC

Various automation processes in the industry need control of AC induction motors using AC drives. Presented here is a robust system for switching on/off, varying the speed and direction of rotation...

How To Avoid Incorrect Use Of AC Fuse In DC Circuit

Using an incorrect fuse in a circuit could have potentially disastrous consequences to people and equipment. In a solar system consisting of multiple strings of photovoltaic (PV) modules, strings are protected...

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