induction cooktop

How Induction Cooktops Work

jojo February 3, 2016 1 Comment
Working of induction cooktops Induction cooktops are very popular in all households. They have lots of advantages over gas and electric cooktops and are more efficient. But have you ever wondered how an induction cooktop works? The working of...
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Humidity sensor using 8051

praveen December 19, 2016 2 Comments
Humidity sensor using 8051  (Hygrometer) This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative humidity (RH)  from 20% to 95% at an accuracy of 5%....
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LiPo battery charger circuit.

praveen September 2, 2015 No Comments
LiPo battery charger. Li-Po battery or Lithium-Polymer battery is a rechargeable battery based on the Lithium-ion technology enclosed in a flexible pouch. This soft, flexible pouch makes them very light with a compromise in mechanical strength. Li-Po batteries are...
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Nest Thermostat Review

jojo May 3, 2017 No Comments
Nest 2nd Generation Self Learning Thermostat Until recently no one cared about what thermostat they are using. But that is no longer the case. This is the era of smart thermostats, thermostats which can be easily programmed or better...
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ultrasonic water level controller

Ultrasonic water level controller using 8051

praveen July 30, 2015 7 Comments
Ultrasonic water level controller using 8051 microcontroller. A simple water level controller using ultrasonic  range finder module and 8051 microcontroller is discussed in this article.Many projects based on ultrasonic range finder and water level controllers have bee already discussed...
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RFID card

Interfacing RFID to 8051microcontroller

praveen July 29, 2015 1 Comment
Interfacing RFID  to 8051 . RFID or Radio Frequency Identification is a method in which electromagnetic waves are used for transmitting data for the purpose of identifying tags attached to objects. An RFID system consists of a transmitter (tag) and...
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interfacing PIR sensor and 8051

Interfacing PIR sensor to 8051

praveen February 25, 2016 7 Comments
Interfacing PIR sensor to 8051 microcontroller. PIR sensors are widely used in motion detecting devices. This article is about interfacing a PIR sensor to 8051 microcontroller. A practical intruder alarm system using PIR sensor and 8051 microcontroller is also...
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Frequency counter using arduino

praveen February 19, 2015 11 Comments
Frequency counter using Arduino (upto 40KHz). Many guys here were asking for a frequency counter and at last I got enough time to make one.  This frequency counter using arduino is based on the UNO version and can count...
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Interfacing pressure sensor to arduino

praveen August 14, 2017 6 Comments
Interfacing SPD005G pressure sensor to arduino This article is about interfacing pressure sensor to Arduino. The pressure sensor used here is SPD005G from Smartec . SPD (Smart Pressure Device) is a series of silicon based pressure sensors suitable for...
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