This article explains a simple automatic door locking system that works when day turns into night. This clever setup is made to automatically unlock a kennel door in the morning […]
Transformerless 220V Lamp Chaser Circuits for Festival Decorations
In this article I will explain a few exciting and compact light chaser circuit that operates on both 220V and 120V power sources. This circuit enables us to light up […]
Simplest Mosquito Repellent Circuit using Transistors
Let’s face it, mosquitoes are some of the most annoying bugs out there. They not only bug us like crazy but they also have the potential to spread some really […]
Effective Mosquito Repellent Circuit using CMOS IC
In this post we are going to chat about how we can put together a really effective electronic circuit that work as high-frequency mosquito repellents. These circuits are designed specifically […]
Water Level Indicator Circuit Using IC 4049 NOT Gates
So the water level circuit idea we are proposing is really perfect for those of us who just want clear indications of the water levels and prefer to manually turn […]
Simplest Water Level Indicator Circuit using Transistor BC547
So you might be wondering what a water level indicator is. Well it is actually an electronic circuit that helps you see the different levels of water inside a tank. […]