Kukulkan Mayan Temple
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- Written by Paulo Administrator Paulo Administrator
- Category: Theme Galleries Theme Galleries
- Published: 30 April 2016 30 April 2016
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Mayan culture is fascinating to me. I find the elegance of their buildings, particularly the temples in form of pyramids, something to admire and explore. In this gallery, I post a selection of images from the great Kukulkan temple in Chichen-Itza.
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LC Low-Pass Filter Analysis in R
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- Category: electronicsanddiy electronicsanddiy
- Published: 30 November 2014 30 November 2014
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LC Low-Pass Filter Analysis using the open-source computing language R .
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Camera Recording Monitor Using Current Sense Circuit
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- Written by Paulo Administrator Paulo Administrator
- Category: electronicsanddiy electronicsanddiy
- Published: 22 March 2016 22 March 2016
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How to make a camera recording monitor using a current sense circuit. |
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Read more: Camera Recording Monitor Using Current Sense Circuit
Canon FD 50mm f/1.4 lens with the Sony NEX
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- Category: photography photography
- Published: 30 August 2014 30 August 2014
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My review of the Canon FDn 50mm f/1.4 adapted to the Sony E-mount (NEX) mirror-less camera.
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Olympus OM 200mm f/4 lens versus Canon EF-S 55-250 IS
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- Category: photography photography
- Published: 03 May 2013 03 May 2013
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In this article, I compare an "old" Olympus OM Zuiko 200 mm lens with a modern Canon EF-S 55-250mm IS lens set at 200mm.
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Read more: Olympus OM 200mm f/4 lens versus Canon EF-S 55-250 IS
Transistor Amplifier Calculator
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- Category: electronicsanddiy electronicsanddiy
- Published: 03 February 2013 03 February 2013
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An Excel-based transistor amplifier calculator.
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My Lab Tour
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- Category: electronicsanddiy electronicsanddiy
- Published: 27 January 2013 27 January 2013
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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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Diode temperature sensor calibration using Arduino and SHT15 module
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- Category: electronicsanddiy electronicsanddiy
- Published: 23 December 2013 23 December 2013
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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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Read more: Diode temperature sensor calibration using Arduino and SHT15 module
Sound Activated Laser Parking System
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- Category: electronicsanddiy electronicsanddiy
- Published: 05 August 2012 05 August 2012
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This is a link to the article I published in the May 2012 edition of the Nuts & Volts magazine: a sound activated, laser parking system.
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Is your file encrypted? A visual test with R
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- Category: Miscellaneous Miscellaneous
- Published: 18 January 2015 18 January 2015
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A quick visual "test" to see if a file is likely encrypted using the R statistical computing package.
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A Dollar Store Voltmeter
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- Category: electronicsanddiy electronicsanddiy
- Published: 10 November 2012 10 November 2012
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How to make a cheap panel voltmeter from a dollar-store pedometer.
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