Atmega328P Companion

Atmega328P Companion

“ATMEGA328P Companion: The Bootloader and Programmer Module If you’re like me, you’re addicted to projects and Arduino. However, if you’ve done a number of projects with an Arduino as the brain, you’ve probably started to get sick of looking at the Arduino board as a whole, cluttering your project and overall just looking bad. As such …

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DIY Split-Flap Display

DIY Split-Flap Display

“This is a work in progress split-flap display. Each module can flip between 40 unique characters: letters, numbers, and a few symbols. Multiple modules fit perfectly alongside each other to build bigger displays. The primary design goal was to make something that’s possible to fabricate at home in small or single quantities and can be customized and built by …

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How To Make Led Chaser Without Ic 555

How To Make Led Chaser Without Ic 555

“Hello everyone, I will show you how you can make a simple led chaser without using ic 555. Here we will use ic 4017 decade counter ic…Also we use a RGB colour changing led,which is the heart of the circuit…the RGB led act as a trigger f0or ic 555…”

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Ac Detector Circuit With Awesome Application

Ac Detector Circuit With Awesome Application

“Hi. Today I am going to show you How To make AC detector. Speaking about AC or alternating currents, it is far more dangerous than DC. It can easily kill you if the voltage is 220v or 110v city power. Before touching any live wire always make sure no high voltage is available there.”

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Motion Activated Led Strip

Motion Activated Led Strip

“Goal There are stairs up to where I live and during the winter and at night they can be treacherous. I wanted an easy method to illuminate the stairsimagine your hands are full of grocerieswhile also not having to go back and turn them off. Overview Basically I ran an LED strip down the railing of my stairs. At one …

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Stereo Amplifier (6W+6W) Using LA4440 Ic

Stereo Amplifier (6W+6W) Using LA4440 Ic

“Amplifiers are much needed for audio amplification. There are many dedicated audio ICs available in the market. They have different wattage ratings, power consumption,mono or stereo,etc.They are available in various packages like DIP,Pentawatt package( Many TDA series IC have this pack), SIP14H pack,etc. Today I will be talking about the LA4440 IC, which has a …

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Tiny FM transmitter

Tiny FM transmitter

“This is a, well, tiny FM transmitter that can have various applications both probably legal (pirate radio, your own low-power radio station…) as well as the undoubtedly illegal (FM jammer, spy bug…). The choice is yours! It can run on a voltage between 3 and 13 volts, draws 2-3 milliamps and has a theoretical output power of ~3 milliamps (although …

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Liquid Crystal Glasses For Amblyopia (Alternating Occlusion Training Glasses)

Liquid Crystal Glasses For Amblyopia (Alternating Occlusion Training Glasses)

“Amblyopia (lazy eye), a disorder of sight that affects approximately 3% of population, usually treated by simple eyepatches or atropine drops. Unfortunately, those methods of treatment occlude stronger eye for long, uninterrupted periods of time, not allowing two eyes (actually neurons in the brain that process visual information) to work together and synchronize. Quite recently I found an article on …

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