The article presents a simple LED indicator timer circuit which can be used with board games for indicating the elapsed time or the time consumed by the player to complete […]
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LED Meteor Shower, Rain Tube Circuit
In this post we learn how to design an intriguing LED light effect that generates a collapsing metor shower like appearance. The idea was requetsed by Mr.Pinto Mondal. Technical Specifications […]
Flashing Red, Green Railway Signal Lamp Circuit
In this post we learn how to make a simple railway signal lamp which can be used by the guards for providing a handheld signalling to the various trains with […]
Arduino LCD KeyPad Shield (SKU: DFR0009) Datasheet
The write up explains the pinout and working details of the LCD module “Arduino LCD KeyPad Shield (SKU: DFR0009)” which is specifically manufactured for offering a quick plug-in compatibility for […]
5 Simple Power Bank Circuits for Mobile Phones
The article presents a 5 assorted power bank circuits using 1.5V cell and 3.7V Li-ion cell which can be built by any individual for their personal emergency cellphone charging functionality. […]
3 Frequency to Voltage Converter Circuits Explained
As the name suggests frequency to voltage converters are devices that convert a varying frequency input into a correspondingly varying output voltage levels. Here we study three easy yet advanced […]