Wireless power is not a new idea long time ago even Nikola Tesla try this! Now many things like phone, toothbrush and some medical stuff charge without wire. But still we can make it better. In this post we will show how to make a easy Simple Wireless Power Transmission Circuit with transmitter and receiver […]
Wireless LED Light Circuit
Nowadays there are wireless charging inside many things like phone and even big medical machines. In this article we will show how to make Wireless LED Light Circuit which light using one small chip called IC 555. No wire needed the LED will light up to show how wireless charging works. What is a Wireless […]
Red Blue Police Light Flasher Circuit
This article show how to make a Red Blue Police Light Flasher Circuit. It uses two IC 555 chips which are very common. Each chip run at different speed. They connect to two LED groups in special way in like opposite direction. This make LEDs blink one after other and back and forth and with […]
Battery Voltage Level Indicator Circuit using 3 LED
Battery Voltage Level Indicator Circuit using 3 LED is small circuit to show battery voltage with 3 LED One LED for low, one for medium and one for full charge. It helps to know battery is good or need charging. This circuit is easy to make and can be used for 12V battery but with […]
How to Make a Simple LED Bulb Circuit
LED lights are become very popular these days. People also call them LED bulbs or solid state lights. These lights use very less power like only 0.5 to 3 watts so they save lot of electricity bill. Before 10 years these bulbs were not so bright. But still we can make our own easy LED […]
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. It is good for learning how battery charging works. Also will talk about how this battery charges best and how […]