The smallest LED flasher circuit ever built is the one shown in this article. To make an LED blink on and off constantly all you need is transistor, a resistor and a capacitor. Imagine using just a single transistor and a few other simple components to construct a stylish LED flasher circuit. This is exactly […]
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Simple LED Flashlight Circuit (Torch Circuit)
Ignore powerful flashlights. White LEDs nowadays are very effective and brilliant. They use only 3V and a very small amount of current roughly 20 mA to illuminate the night. This simple LED flashlight circuit is shown in the following diagram. What is a LED Flashlight Circuit (Torch Circuit): The LED flashlight circuit also referred to […]
Simple Automatic Day Night Switch Circuit
Electricity saving is important particularly in urban areas where there is a shortage. This article demonstrates how to construct a simple automatic light switch that activates and deactivates devices based on the outside light level. One can lower your electric bill by doing this. What is a Automatic Day Night Switch Circuit: An automatic day […]
Simple 4 LEDs Water Level Indicator Circuit
Water conservation is a priority and technology like electronic can help. This article teaches you how to construct a simple circuit for a water level indicator. It is far less expensive than purchasing one from a store and by using common parts. This circuit shows the water level remaining in a tank or barrel using […]
Simple Wireless LED Light Circuit
These days wireless charging is present in everything from the phone to advanced medical equipment. This article demonstrates how to use a common chip known as the IC 555 to construct a simple wireless LED light circuit. Without using any wiring it will illuminate an LED to demonstrate how wireless charging operates! What is a […]
Red Blue Police Light Flasher Circuit
This article teaches how to build a flashing LED light for police cars use. It uses two common chips called IC 555. These chips are set to different speeds. They are connected to two sets of LEDs wired in a special way antiparallel. This makes the LEDs in each set flash back and forth creating […]