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 […]
500 Watt Inverter Circuit
This article teaches, how to make 500 Watt Inverter Circuit that work good by using one smart chip name IR2153. This chip help to change 12V car battery to 230V like home electricity, as this chip is better than old one because: Thus, the inverter work more strong and does not break easily, so to […]
Simple ESR Meter Circuit
To begin with, this article for Simple ESR Meter Circuit show how to make one tool for checking capacitor in phone, laptop and other device. Capacitor work like small battery and it keep some power inside, also we can find bad capacitor without removing it from circuit board and for that we need to use […]
TV, Video Transmitter Circuit
This is one TV, Video Transmitter Circuit and it can send video from DVD, camera or other device to old TV in our house. We do not need big parts or hard things, just small circuit and little care is all we need, so this type of circuit is good for fun and also for […]