Capacitive T Network Calculator

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A capacitive T network calculator in S-math Studio.

 

 

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Diode temperature sensor calibration using Arduino and SHT15 module

 
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A simple diode or the output of a transistor bias circuit can be used as a rough temperature sensor. For this purpose, a calibration procedure using a precise temperature sensor is recommended. This article shows how to calibrate such a temperature sensing circuit using an Arduino and the SHT15 Sensirion temperature/humidity sensor module.

 

 

 

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Arduino Astronomical Clock for Automatic Light Control

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My garden features a set of "garden lamps" which I turn-on at night.

 

 

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Electronic Pumpkins

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Just in time for Halloween, an electronic candle driven e-pumpking project.

 

 

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New Life for an Old Drill

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Can't find a replacement battery for an old cordless drill? Here's how to adapt a different battery to an old drill giving it a new lease in life.

 

 

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Measuring rpm with an Oscilloscope

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A simple technique for measuring rotation speed in rpms using an oscilloscope.

 

 

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Combining Multiple Resistors to Improve Tolerance

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How combining resistors affects the overall tolerance of the total resistance.

 

 

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Building an ESR Meter

 
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Building a simple ESR meter for troubleshooting electrolytic capacitors.

 

 

 

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Karaoke Mixer Reloaded

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A Karaoke mixer and amplifier for the iPhone.

 

 

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Transistor Amplifier Calculator

 
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An Excel-based transistor amplifier calculator.

 

 

 

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My Lab Tour

 
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Welcome to the paulorenato.com electronic's lab. In this article we have a look at my workspace and the many gadgets I've collected over the years.

 

 

 

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