This article show how to make a Red Blue Police Light Flasher Circuit, as this circuit uses two IC 555 chips which are very common and each chip run at different speed. Hence, they connect to two LED groups in special way, in like opposite direction and this make LEDs blink one after other and […]
Battery Voltage Level Indicator Circuit using 3 LED
To begin with, Battery Voltage Level Indicator Circuit using 3 LED is small circuit to show battery voltage with 3 LED. Here, one LED for low, one for medium and one for full charge, which helps to know battery is good or need charging. Thus, we can easily make this circuit and use it for […]
How to Make a Simple LED Bulb Circuit
Due to their growing popularity, people now commonly call LED lights ‘LED bulbs’ or ‘solid-state lights. Before 15 years these bulbs were not so bright, but these lights use very less power like only 0.5 to 3 watts so they save lot of electricity bill. But still we can make our own easy LED bulb […]
Li-ion Battery Charger Circuit using LM317 IC
This Li-ion Battery Charger Circuit using LM317 IC is small and easy charger circuit which is for Li-ion battery, it uses one chip called LM317 and we can make this at home with few parts. Hence, it is good for learning how battery charging works, also we will talk about how this battery charges best […]
How to Build a Two LED Temperature Indicator Circuit
This article shows how to build a Two LED Temperature Indicator Circuit, as it is easy and cool project and we can use this circuit for many things, like checking water shower when it is not too hot, so no damage can happen. Furthermore, also be sure computer parts, amplifier, heater and even car water […]
High Voltage Fence Charger Circuit
This post shows how to make High Voltage Fence Charger Circuit, which does not cost much and is safe to stop wild animals and keep our pets inside fence. Also, the circuit is cheap and easy to fix and is better than normal fence. WARNING: Electric fence can kill if wrongly made, only do with […]