A seven-segment display is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. In this tutorial you will ...

What is PIR sensor? A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most ...

Dual-tone multi-frequency signaling (DTMF) is a telecom signaling system using the voice-frequency band over telephone lines between telephone and other comn. devices and switching centers. DTMF was first developed in the Bell System in the ...

BH1750 is an ambient light sensor & it's module design is known as GY-30. Ambient light is the light which is already present in a scene, without any additional lighting ...

Visual interface plays an important role in any embedded or electronics design. It unveils the seamless capabilities of your design by providing visual monitoring. In market, there are varieties of ...

Whenever we design any embedded project or gadget, user input is the most important feature to be designed. The user input may contain alphabetical & numerical keys, also some arrow ...

HC-SR04 as known as Ultrasonic sensor is non-contact range detection module used for distance measurement, radar & object displacement etc. It offers high accuracy, steady readings & easy interface pin-out ...

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals. Liquid crystals do not emit light directly, instead ...