Latest Technical Articles

This article explains the rules associated with the technique of source shifting.

This article explains the rules associated with the technique of source shifting.

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own…

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own ring light out of LEDs!

This article will help you to determine the maximum acceptable difference between the baud rates of a UART transmitter…

This article will help you to determine the maximum acceptable difference between the baud rates of a UART transmitter and receiver.

Carbon nanotubes have received a lot of press coverage in recent years. This article provides background information that…

Carbon nanotubes have received a lot of press coverage in recent years. This article provides background information that allows you to better understand technical articles that discuss carbon nanotubes.

This practical tractor beam uses ultrasonic waves to levitate small spheres at short distances.

This practical tractor beam uses ultrasonic waves to levitate small spheres at short distances.

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 article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.

This article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.

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.

This article provides insight into the practical aspects of correlation.

This article provides insight into the practical aspects of correlation.

Learn about (for lack of a better term) packetization, a technique that facilitates robust data transfer in optical, RF,…

Learn about (for lack of a better term) packetization, a technique that facilitates robust data transfer in optical, RF, and long-distance-digital communication systems.

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.

This technical brief discusses characteristics and advantages of low-voltage differential signaling (LVDS).

This technical brief discusses characteristics and advantages of low-voltage differential signaling (LVDS).

This article discusses I-V curves for passive components, voltage sources, and current sources.

This article discusses I-V curves for passive components, voltage sources, and current sources.

Learn about Manchester encoding, a simple and effective way to improve high-speed or wireless digital communication.

Learn about Manchester encoding, a simple and effective way to improve high-speed or wireless digital communication.

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.

This technical brief explains some low-level details of the widespread—I might even say ubiquitous—UART communication…

This technical brief explains some low-level details of the widespread—I might even say ubiquitous—UART communication interface.