In this post we are going to construct an Mp3 player using arduino and DFPlayer. The proposed article has two Mp3 player designs, one with push button control and another […]
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Surge Arrestor Circuit with Measuring Facility
In this post we learn about a simple surge voltage protector circuit using a fuse and a triac crowbar circuit and also learn the method to record and measure the […]
GSM Pump Motor Controller Circuit using Arduino
In this post we are going to construct a farmer friendly GSM pump motor controller circuit which couldturn on and off the irrigation system remotely from anywhere in the world […]
SMS Based Laser Security Circuit
In this post, we are going to construct a laser security circuit which can send SMS alert to owner of the property or anyone else and activate loud alarm to […]
Triac Phase Control using PWM Time Proportional
A triac phase control using a PWM circuit can be useful only if it’s implemented using a time-proportional format, otherwise the response could be haphazard and inefficient. In a few […]
How to Interface 4×4 Keypad with Arduino
In this post we are going to learn how to interface a 4×4 keypad with Arduino. We are going to see what is a keypad, how it is constructed and […]