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My Lab Tour

Details: Category: electronicsanddiy electronicsanddiy; Published: 27 January 2013 27 January 2013

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.

Diode temperature sensor calibration using Arduino and SHT15 module

Details: Category: electronicsanddiy electronicsanddiy; Published: 23 December 2013 23 December 2013

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.

Sound Activated Laser Parking System

Details: Category: electronicsanddiy electronicsanddiy; Published: 05 August 2012 05 August 2012

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.

Is your file encrypted? A visual test with R

Details: Category: Miscellaneous Miscellaneous; Published: 18 January 2015 18 January 2015

A quick visual "test" to see if a file is likely encrypted using the R statistical computing package.

A Dollar Store Voltmeter

Details: Category: electronicsanddiy electronicsanddiy; Published: 10 November 2012 10 November 2012

How to make a cheap panel voltmeter from a dollar-store pedometer.

Make Your Own Sensor Loupe

Details: Category: photography photography; Published: 27 April 2012 27 April 2012

How to build your own illuminated sensor loupe for camera sensor cleaning (or other purposes).

Favorite Photography Quotes

Details: Category: photography photography; Published: 25 April 2015 25 April 2015

Some of my favorite quotes about Photography.

The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality

Details: Category: bookreviews bookreviews; Published: 11 February 2016 11 February 2016

Author: Richard Panek

Rating: 8/10

Amazon.com link

It is a very strange Universe out there...

Canon FD 85mm f/1.8 lens with the Sony NEX

Details: Category: photography photography; Published: 13 June 2014 13 June 2014

My review of the Canon FDn 85mm f/1.8 adapted to the Sony E-mount (NEX) mirror-less camera.

Apertures

Details: Category: photography photography; Published: 16 September 2008 16 September 2008

About apertures and f-stops...

Karaoke Mixer Reloaded

Details: Category: electronicsanddiy electronicsanddiy; Published: 10 February 2013 10 February 2013

A Karaoke mixer and amplifier for the iPhone.

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