Simple Solar Powered Plant Watering Alarm Circuit tell us how to make small device that gives water to plant when plant need it. Furthermore, there are many ways to use solar energy but it should be clean and should not cost much, but the device used in this circuit is mix of solar power and […]
Simple Water Level Indicator Buzzer Circuit
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 […]
Fire Alarm Circuit using Transistors
Fire Alarm Circuit is very important for every home, as these small thing can save life because it tell early when fire is happening. In this article, for Fire Alarm Circuit using Transistors we will learn how to make easy fire alarm circuit by ourselves. The circuit is good for small place like home, shop […]
Laser Alarm Circuit for Security
This article show how to make a Laser Alarm Circuit for Security which even real spy can use it!, Moreover, the circuit cost less than big expensive alarm from shop and also it is fun to make by ourselves and is good to protect our things. What is a Laser Alarm Circuit for Security To […]
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 […]





