In this post I have explained how to build a simple laptop power bank circuit which can be used for charging a laptop battery during travelling or during outdoor trips. This device can be specifically useful on situations or places where an AC mains outlet is unavailable or difficult to find. Why Laptops Need a […]
Laptop
Charging a Cellphone battery with a Laptop Battery
The post presents a simple circuit that may be used for charging a cellphone battery with a laptop battery. The idea was requested by Mr. Gyashuddin. Recharging Cellphone Battery with Laptop Battery hello sir my self md gyashuddin I want to know that it is passible to built a circuit which can ,recharge my cell […]
Laptop Charger Circuit from 12V Battery
In this post I have explained a simple car laptop charger circuit for charging laptops from a 12V car battery using a IC 555 based boost converter. The idea was requested by one of the avid readers of this blog. Making a 12V to 19V Converter May I request you for a circuit diagram for […]
Laptop Anti-theft Security Alarm Circuit
In this post I have explained a simple laptop anti-theft alarm circuit which can used with any concerned object such as a laptop which needs to be protected, when an intruder tries to approach the unit or makes an attempt to steal it the connected alarm is instantly raised. The idea was requested by one […]