The article explains a simple illuminated crosswalk safety light circuit for ensuring a safe walking passage for the user amidst heavy traffic. The idea was requested by Mr. John.
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.
Oct 27, 2016
In this article we are going to take a tour on RFID circuit technology. We will be exploring how RFID tags and readers work, how to interface RFID module (RC522) with Arduino and extract some useful information from the RFID tags.
Oct 26, 2016
In this article we are going to explore, what is a Barometer and how to interface a barometric BMP180 sensor with Arduino. We will also be exploring some of its important specification and finally we will learn how to predict weather using barometric readings.
Oct 25, 2016
The post explains how to build a simple remote controlled game scoreboard circuit with two digits for facilitating the user a hassle free changing of the digits remotely, during a game or a match. The idea was requested by Mr. Richard.
Oct 18, 2016
A comprehensive capacitive power supply circuit having a zero crossing detector, a surge suppressor and voltage regulator is discussed here, the idea was was submitted by Mr. Chamy
The article details a simple transistor based UPS circuit with a built-in battery charger circuit, which can be used for getting an uninterruptible mains power output cheaply, in your homes and office, shops etc. The circuit can be upgraded to any desired higher wattage level. The idea was developed by Mr. Syed Xaidi.
Oct 15, 2016
So far we have studied LM317 based linear power supply circuits, here we will learn how an LM317 can be executed as a variable switch mode power or SMPS with zero loss.
Oct 10, 2016
In this project we are going to construct an air pollution meter using MQ-135 sensor and arduino. The pollution level in the air is indicated by series of 12 LED. If higher the number of LEDs glows, the higher the pollution content in the air and vice versa.
Oct 7, 2016
A cool 0-400V variable transformerless power supply circuit can be built using just a single chip LR8, and a few resistors. The IC features a built in current control stage which makes the design extremely safe even for critical electronic circuits.
Oct 5, 2016
In this article we are going to construct an GSM based LPG leakage SMS alert circuit using Arduino, which alerts the recipient via SMS and surrounding people via beep, when LPG gas gets leak out of LPG cylinder or leak due to improperly closed valve.