Wednesday, July 23, 2014

Capacitor Based LED Tubelight Circuit Using 1 Watt LEDs

The post explains the construction of a homemade 100 watt capacitive tubelight circuit using 1 watt LEDs. The idea was requested, constructed, tested and verified by one the avid readers of this blog Mr. Tamam. Let's go through the entire discussion.

Monday, July 21, 2014

Underwater LED Boost Converter with Dimmer Circuit

The post discusses an LED controller circuit having a boost and dimming facility specifically designed for underwater shooting application. The idea was requested by Mr. Svein.

Sunday, July 20, 2014

LED Chaser Circuit with Slow Adjustable Fading Effect

The post discusses a cool chasing LED light circuit that features a timed delay fading slow transition effect across the whole illuminated sequencing LEDs. The idea was requested by Mr. Tamam

Saturday, July 19, 2014

Infrared (IR) Controlled LED Emergency Lamp Circuit

Here we discuss a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The  idea was requested by Mr. Heeran

Wednesday, July 16, 2014

Wireless Home theater Circuit using Bluetooth Headset

The post discusses a 200 + 200 watt wireless home theater circuit using a class D amplifier and a Bluetooth headset as the wireless module. The idea was requested by Mr. Sudipta Mandal.

Monday, July 14, 2014

Modifying a Bluetooth Headset Device for Personalized Applications

In the previous post we learned regarding the internal circuitry of a typical Bluetooth headset, in this post we'll see how the gadget can be modified or "hacked" in order to make it work for other personalized applications.

Sunday, July 13, 2014

What's Inside a Bluetooth Headset

In this post we will learn what's inside a Bluetooth headset gadget and also know how to hack it for using it for other useful personalized applications.

Thursday, July 10, 2014

5kva Ferrite Core Inverter Circuit

In this post we discuss the construction of a 5000 watt inverter circuit which incorporates a ferrite core transformer and therefore is hugely compact than the conventional iron core counterparts.

Playing a Melody Using the Tone() function in Arduino

In this Arduino tutorial we’ll learn how to execute the tone() command for producing musical notes. The configuration will play a tiny musical tone that could be familiar to you.

Wednesday, July 9, 2014

Making a Wireless Doorbell Circuit

Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. A simple wireless doorbell circuit is discussed in the following post which can be constructed at home.
Readers are advised to proceed with the construction of the presented circuits only after understanding the concepts from the core. Not adhering to this can lead to failures and frustrations.