In this post we learn the fundamental methods of triggering a triac, and also discuss the right way to connect the terminals of a triac. Triacs are solid-state bidirectional thyristors […]
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How to Calculate Heatsinks
Heatsinking is critical for power devices in circuits that are intended to maximize their performance. When heat from the power devices cannot be moved away very quickly, the power devices and its […]
Police/Ambulance Siren Circuit with Rotating Beacon Light
In this post we are going to learn how to construct a police, ambulance or a fire truck siren circuit using evergreen IC 555 timer and we will also learn […]
3 LED Battery Level Indicator Circuit
The proposed 3 LED battery level indicator can be typically used for monitoring a 12 V lead acid battery charge level, through 3 distinct LED illumination. The entire circuit is […]
Cellphone Controlled Plant Watering Circuit
In this post we will discuss a couple of circuits that will allow automatic watering of plants and flower pots, even while the owner of the house is away from […]
Ultrasonic Motion Detector Circuit
This ultrasonic motion detector circuit project picks up movement of any object including human beings from a distance of 4 to 7 meters away. As soon as the motion is […]