Latest Sensors Technical Articles

The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and…

The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and combine the data, giving users their absolute orientation in space.

Quaternions are mathematical operators that are used to rotate and stretch vectors. This article provides an overview to…

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.

This article discusses the ideas involved in measuring and interpreting the current-voltage curves of solar cells,…

This article discusses the ideas involved in measuring and interpreting the current-voltage curves of solar cells, batteries, and unknown materials.

In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my…

In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my personal website.

Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing,…

Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing, volume adjustments, and more. One of the most popular codes is the SIRC (Sony Infrared Remote Code) which may be used with a PICAXE microcontroller to manage a stepper motor, or most any other electronic or electro-mechanical device.

The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you…

The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you stuff your face!

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver…

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.

Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.

Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.

Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.

Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.

Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air…

Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air in my boat's cabin. It is controlled with a PIC16F628A and has an LCD.

This project gives you an example of how a basic user interface can be implemented using only one circular capacitive…

This project gives you an example of how a basic user interface can be implemented using only one circular capacitive touch sensor.

A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a…

A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.

The motion-activated Santa Cam is sure to catch who is stealing your milk and cookies this holiday season! You can even…

The motion-activated Santa Cam is sure to catch who is stealing your milk and cookies this holiday season! You can even use it for a photo booth this New Year's Eve!

In this project we will develop an algorithm for precisely locating a touch event that occurs somewhere on a circular…

In this project we will develop an algorithm for precisely locating a touch event that occurs somewhere on a circular capacitive sensor.

Learn how to build your own sous-vide machine. Say goodbye to overcooked steak!

Learn how to build your own sous-vide machine. Say goodbye to overcooked steak!

This project explores capacitive-touch-sense technology using an evaluation board for an EFM8 Sleepy Bee microcontroller.

This project explores capacitive-touch-sense technology using an evaluation board for an EFM8 Sleepy Bee microcontroller.

The Zambroombi is the next step up from your neighbor's fancy Roomba. Set it and forget it!

The Zambroombi is the next step up from your neighbor's fancy Roomba. Set it and forget it!

Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these…

Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these simple circuits.

This object detection toy will keep your cat's head spinning for hours!

This object detection toy will keep your cat's head spinning for hours!