The post will explain how to manufacture or make oxygen at home in bulk quantity, using our AC mans as the supply source and without using salt. Everyone knows […]
Simple Door Security Alarm Circuit
This circuit produces a beep and/or lights up a LED if a person hits the door-handle from outside. The alarm system will signal until the circuit might be switched-off. The […]
Simplest Water Level Controller Circuit with Buzzer
This simple and inexpensive circuit sounds an alarm Ca whistle) when water level in a Container, such as an over- head water-tank, reaches a predetermined level. The basic circuit is […]
How to Build a Laptop Anti-theft Security Alarm Circuit
The publish clearly shows a clear-cut security alarm circuit which could be utilized with any specific involved object for example a laptop which ought to be guarded, when an intruder […]
How to Make a Power ON Alarm with Auto OFF Circuit
The submit talks about a basic monostable dependent power turn on alarm circuit which automatically switches OFF after an adjustable preset delay. The asked for power activate alarm circuit utilizing […]
How to Build a Heart Rate Monitor, Alarm Circuit
The publish explores a straightforward circuit which can be employed for supervising the essential heart rate of a patient (senior citizen), the circuit furthermore consists of an alarm for showing […]