Latest Appliances Technical Articles

Part five of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

Part five of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

Having introduced the general negative feedback structure, we will now demonstrate that negative feedback has a…

Having introduced the general negative feedback structure, we will now demonstrate that negative feedback has a beneficial effect on two important characteristics of amplifier circuits.

This article, the first in a series, will introduce you to the fundamental concepts required for understanding and…

This article, the first in a series, will introduce you to the fundamental concepts required for understanding and analyzing negative feedback amplifiers.

Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll…

Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll be covering PCB design.

Part one of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

Part one of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current…

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current measuring and the ability to drive a single stepper motor.

Adding variable speed control and battery monitoring to a Power Wheels truck!

Adding variable speed control and battery monitoring to a Power Wheels truck!

Control systems engineering requires knowledge of at least two basic components of a system: the plant, which describes…

Control systems engineering requires knowledge of at least two basic components of a system: the plant, which describes the mathematically described behavior of your system, and the output, which is the goal you are trying to reach.

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to…

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to program using free software.

Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics…

Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics provides insights needed to understand magnetism and its relationship to the intrinsic nature of the electron.

Learn about the Hall effect and how it enables accurate, isolated current measurements.

Learn about the Hall effect and how it enables accurate, isolated current measurements.

Use MATLAB to write a program to control a servo motor connected to an Arduino.

Use MATLAB to write a program to control a servo motor connected to an Arduino.

To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay.…

To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay. Here's how!

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the…

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the position of the motor shaft if the motor has a rotary encoder.

You can connect small servo motors directly to an Arduino to control the shaft position very precisely.

You can connect small servo motors directly to an Arduino to control the shaft position very precisely.

The core concept of power processing can be explained together with several significant applications of power…

The core concept of power processing can be explained together with several significant applications of power electronics. Power electronics is the technology of processing and controlling the flow of electric power by modifying and supplying the voltage and current in a form that is best suitable to the customer at the load end.