Abstract: The present paper introduces a photometer circuit that is based on an innovative multiple-feedback relaxation oscillator (MFRO). A distinctive feature of the MFRO is its capacity to function ...

Sustainable analytical methods are highly demanded in the modern society. Within the green principles, novel procedures that attend the sustainable development goals have been proposed and the ...

This technical note discusses the rationale for using two-point calibration and multi-point verification in the calibration of aerosol photometers. It explains the theoretical basis for the linear ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Portable photometers fabricated with low-cost optical components have been developed ...

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Learning electronics? Then, chances are you already know what an Arduino is, or at the very least, you've heard of it. After all, it's among the most popular electronics platforms available in the ...

Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...

If you're familiar with the Raspberry Pi and you like it, there's a good chance you'll like the Arduino, too. At first glance, the two devices are very similar to each other, but there are some key ...