In this post I have explained a random LED number generator circuit consisting of a 4 x 5 LED matrix, numbered from 1 to 20. On pressing a push button these LEDs begin illuminating randomly, until finally a single LED corresponding to a specific number remains illuminated. Thus, this random LED number generator can be […]
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Simple Home Automation Circuits
In this article I have explained a few useful yet easy to build home automation circuits which will help the user to create automatic electronic systems at home. What is Home Automation Home automation basically means converting many of the manually operated home electrical devices into automatically operated devices, through electronics. Today’s real home automation […]
Audible Meditation Timer Circuit
In this post I will show how to construct a timer circuit for meditation practices which gives out beeping sound between 1 and 9 seconds (user selectable) and this beeping audio can be integrated with your mediation session, we will see how we can integrate the periodic beeping with “mindfulness meditation” as example in later […]
Circuit Projects for Beginners and School Students
In this article I have explained how to build small electronic circuit projects suitable for beginners, young hobbyists, school students, who are new to electronics and are at the initial learning stage. Which Circuit Projects are Suitable for the Beginners? Warning: In this article there are a few circuits which are not isolated from AC […]
LED Oscilloscope Circuit
The simple LED oscilloscope circuit I have explained in this article can be used for analyzing low frequency waveform through a 10 x 10 LED matrix display. Due to the involvement of only 100 LEDs in the display board, the resolution is low, and the waveform display clarity is not so impressive. Yet, this LED […]
Medical Store LED Cross Sign Circuit [Plus Sign]
In this post I have explained how to make an interesting yet simple running LED cross sign or plus sign module for displaying in front of medical stores. Nowadays, it is very common to witness illuminated flashing, chasing LED cross signs in front of medical stores, which work like an advertisement board for attracting the […]