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DIY AC Dimmer using Arduino

It's pretty simple to control the brightness of an LED, just give it a PWM signal and change the brightness. But what about a Bulb that runs on AC current? It's brightness won't be controlled by giving it PWM signals. It will require some additiona ...

posrer-scaled

Gesture Based Door Lock System

Till now, we have seen many security projects using Arduino like, Fingerprint based door lock, Password based door lock, Knock pattern based door lock etc.. But ever heard unlocking the door by performing 3D gestures in front of the door? From to ...

temp-6

E-wand

Introduction You must have seen a Harry Potter movie in which Harry does magic by just pointing towards things. And inspired by this, I, with the help of my friend, made the magical wand named E-wand - the Electronic Wand. Use this wand ...

Heart-Beat-Sensor

HeartBeat sensor

"Heart Beat Sensor" sounds very complicated to be made.But it's not the reality, it is the simplest medical device to make at home using very few components. Heart Beat Sensor  Components required to make a Heart Beat Sensor are:- Comp ...