If you looking for a screaming alarm circuit that would produce a high pitched ear piercing kind of alarm sound, then probably this design will be just suitable for your […]
Fridge Alarm Circuit
The simple fridge alarm circuit will alert the user in case the fridge malfunctions with its specified temperature cycle specifications. The use of fridge in homes has become a de […]
Ultrasonic Alarm Circuit
This post talks about an excellent ultrasonic alarm circuit that could be efficiently established for detecting sound pressures over the natural human hearing capability, which could cover from 20 kHz […]
Car Engine Overheating Alarm Circuit
To develop an overheating alarm for cars is simple and it doesn’t take much effort. Furthermore, this is one effective way to detect if your car engine is getting over-heated. […]
Simple Solar Plant Watering Alarm Circuit
In this post we learn a simple solar water plant watering alarm circuit which is powered from a small solar cell and provides a buzzer alarm sound whenever the soil […]
High Temperature Fire Alarm Circuit Using Transistors
The post narrates the making of a simple high temperature fire alarm circuit using transistors only, and not with conventional heat sensors. Though we don’t pay much heed to fire […]