The circuit was designed to produce a circuit that will alarm a sleeping person to prevent snoring by using a vibrator instead of an audio alert so as not to affect the whole household. It contains a ...

The circuit will provide a beeping sound to alarm the household that the refrigerator door has been opened for more than 20 seconds. 4060 – a 14-bit ripple counter with internal oscillator that has ...

Many of us use our phones as alarm clocks, waking up to the incessant ringing of a select few ringtones. For that reason, buying a standalone alarm clock may seem a bit outdated. Despite what some may ...