This sound-operated timer is based on the LM324 quad-operational amplifier and NE555 timer. Time delay can be set from a few seconds to 30 minutes. It can also be used as a sound-sensitive burglar ...

Automatic Anchor Light Circuit and Working The circuit described here (refer to Fig. 3) lets you control an electromagnetic relay so that it turns on a white LED light when the preset light level is ...

This is the LED 'J' Sequencer, a project I built for my uncle's birthday! It features 20 LEDs arranged to form the letter 'J', which light up in sequence. The "brains" are a trusty 555 timer and two ...

CENTURY Pacific Food Inc. (CPFI), one of the largest branded-food companies in the Philippines, said it is set to roll back its prices on its sardine products Ligo and 555 Sardines to help ease ...

Ether remains in recovery mode Ether bullish case: Ether has broken through its June downtrend line at $2,433.55 but is being capped by the 55-day simple moving average (SMA) at $2,456.63. Were an ...

As I waited for Mario Kart World to download and became increasingly frustrated with the state of my Switch 2 home screen, it dawned on me that, yes, Mouse Mode isn’t just for games.

A development of a new monostable CMOS RAM (MS/RAM) is described. A size of the MS/RAM cell, consisting of a monostable flip-flop and two interconnecting lines instead of a bistable model and three ...

The 555 timer IC, introduced in the early 1970s, remains one of the most iconic and widely used analog chips in electronics. Let's explore its enduring appeal through a few simple, fully tested ...

An equivalent circuit describing the switching properties of highly doped Gunn devices is deduced from detailed partial differential computer simulations. The circuit elements can be derived from ...

WASHINGTON COUNTY, Ky. (LEX 18) — The Washington County Sheriff's Office says a semi hit a parked car on Highway 555 Tuesday afternoon. The sheriff's office says the semi's driver is out of the ...