Basics

ESP32 board comes not only with Wi-Fi but also with classic Bluetooth and Bluetooth Low Energy (BLE). To interface the ESP32 development board with Arduino Uno, you can start with a...

We all must have witnessed and used a cylindrical device called the rheostat while performing experiments in the Physics lab. But we never really delved into its technicalities. A rheostat is a...

Microcontrollers: It is a programmable integrated circuit (IC) that consists of a small CPU, RAM and I/O pins. Microcontroller units (MCUs) are widely used in many devices. CPU: It performs processing and...

Long-range wireless sensor modules are used in many applications, including asset tracking systems, community building security, robot wireless control, industrial remote control, telemetering, automatic data acquisition, vehicle keyless entry system, PC...

Mechanical switches are one of the most common components used in electrical and electronics manual control circuits. When you press a mechanical switch, two metal parts come in contact with each...

You must have seen different types of Universal Serial Bus or USB hardware. USB is supposed to be universal, but in reality, this is not the case because there are so...

Zero PCB is basically a general-purpose printed circuit board (PCB), also known as perfboard or DOT PCB. It is a thin rigid copper sheet with holes pre-drilled at standard intervals across...

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...

E-paper or electronic paper is a special type of display that does not need electricity to sustain the displayed text and image. Just like real paper, the displayed image resembles ink...

What Is a pump? A pump is an electrical device that is used for drawing out water to a high level. Basically, a pump works on electromagnetic force. It consists of a...