This Simple Water Level Indicator Buzzer Circuit show how much water is inside the tank and also it make beep sound like alarm when water become too high or too low. Also, we can make this circuit using transistor and some other small electronic parts, however, it only beep when water touch two metal pieces […]
Sensors and Detectors
Simple Rain Detector Alarm Circuit
To begin with, this Simple Rain Detector Alarm Circuit helps prevent wet clothes during sudden rain by showing you how to build an easy rain detector alarm. Next, this circuit uses sensor to know when it is going to rain and then it make sound to give warning, so we can take umbrella or bring […]
Automatic Street Light Circuit using LDR
In this guide, we show how to use an LDR and a relay to make an Automatic Street Light Circuit. Nowadays, many place uses LED street lights that turn on by itself, because people want to save energy! Therefore, to save power these lights use LDR sensor to know when dark come. Also, this post […]