In this article we now try to see how we can connect a 4×4 keypad with Arduino. But first, we need to understand what exactly a keypad is, then how […]
Easy FET Circuits you can Build and Use
The post details many interesting and easy to build FET and MOSFET circuits, which can be used in everyday life in many useful applications. The IRF511 N-channel power MOSFET is […]
Cellphone Power Bank Circuit you can Make at Home
This simple cellphone power bank circuit charger can be built at home and used for emergency charging your cell phone anytime anyplace regardless of an AC mains outlet or input […]