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Sensors Technical Articles
Test & Measurement
Finding Maximums in Noisy Data
In this article, we'll first study types of noise and then try to eliminate them by filtering the data. Finally, we'll try to find peaks in that data.
2 days ago
Mohammad Amin Karami
The AS7261 Color Sensor: Measuring Color in XYZ
The AS7261 is a highly integrated sensor that provides optical measurements via a digital interface.
2 days ago
Don’t Get Lost in Deep Space: Understanding Quaternions
Quaternions are mathematical operators that are used to rotate and stretch vectors. This article provides an overview to aid in understanding the need for quaternions....
March 10, 2017
Interpreting Current-Voltage Curves of Different Materials
This article discusses the ideas involved in measuring and interpreting the current-voltage curves of solar cells, batteries, and unknown materials....
February 24, 2017
How to Design a Bluetooth Low Energy Circuit with Sensor Technology
Tutorial on designing a Bluetooth Low Energy (BLE) circuit with the ability to measure 9-axis motion, humidity, and temperature.
October 14, 2016
Creating Novel Linux Controllers for Wearable Devices
Embedded and wearable systems require new ideas for input controller hardware. But older software still expects a keyboard and mouse. How do we bridge the gap without having to write kernel...
October 04, 2016
Industrial Instrumentation and Control: An Introduction to the Basic Principles
In part one of this instrumentation and control (I & C) series, we'll go over the fundamental terminology and concepts used when working with industrial plants....
September 28, 2016
What Is LiDAR and How Can I Use It?
Learn the basics of what LiDAR is, how it works, and how it's applied.
August 11, 2016
How Sensor Fusion Works
Sensor fusion is the art of combining multiple physical sensors to produce accurate "ground truth", even though each sensor might be unreliable on its own....
July 19, 2016
Analysis of Forward Conducting Diodes
In this article, we will learn how to analyze circuits that utilize forward conducting diodes. We will also talk about the exponential model, constant voltage drop model, as well as the ideal...
June 17, 2016
Circuits and Techniques for Implementing Capacitive Touch Sensing
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
May 30, 2016
Introduction to Capacitive Touch Sensing
In this article, we will take a detailed (but not too detailed) look at the electrical principles that allow us to detect the presence of a human finger using little more than a capacitor....
May 24, 2016
Characteristics of Junction Diodes
In this article, we will look at the characteristics of junction diodes and learn how to analyze circuits containing diodes that operate in the forward, reverse, and breakdown biases....
May 20, 2016
The Inverting Configuration of an Amplifier
Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In this article, we will discuss one of two amp configurations that are...
April 13, 2016
Measuring and Calculating Lux Values, Part 2
Use data from an RGB sensor to improve the accuracy of illuminance measurements.
January 15, 2016
Measuring and Calculating Lux Values
Learn how to translate the output of a photosensor into an illuminance measurement.
January 13, 2016
Understanding Illuminance: What’s in a Lux?
A practical introduction to quantifying perceived light intensity.
January 11, 2016
Use Python’s Scientific Toolbox to Find the Natural Response of Thermal Systems
Use Python's scientific toolbox to determine the natural response of a real thermal system and plot the results for visualization and further analysis....
December 16, 2015
Introduction to the Manually-Controlled Toaster Oven Reflow
With the help of a DIY thermocouple measurement system, you can use a cheap toaster oven to accurately reproduce a reflow-soldering temperature profile....
December 14, 2015
Negative Feedback, Part 8: Analyzing Transimpedance Amplifier Stability
The techniques discussed in previous articles can help us to understand and remedy stability problems observed in a common circuit used to amplify photodiode signals....
December 06, 2015
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