In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

CU Boulder researchers have built high performing optical microresonators opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

The LITOM 300 LED delivers genuine 2500-lumen output across a 270-degree beam angle, covering wide areas like driveways, backyards, and garage entries without dark spots. The three-head design lets ...

Abstract: LabVIEW is a graphical programming language, used in many research fields for designing communication algorithms and simulating traditional as well as real time signals. Arduino kit can be ...

About 48% of U.S. households own a minimum of one smart home device, reveals Horowitz's State of Media, Entertainment & Tech: Subscriptions 2025 report. If you're hoping to jump on the bandwagon and ...

Abstract: Across the country, majority of the electric power has been utilized for street lights. These street lights are always ON throughout the night and even in day times due to inefficient street ...