Latest Technical Articles

It's easy to make a simple digital voltmeter using an Arduino and 16x2 liquid crystal display (LCD).

It's easy to make a simple digital voltmeter using an Arduino and 16x2 liquid crystal display (LCD).

We review switching losses involving diode recovery charge, transistor switching with clamped inductive load, device…

We review switching losses involving diode recovery charge, transistor switching with clamped inductive load, device capacitance and leakage, package, and stray inductances, and the efficiency versus switching frequency curve.

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.

Pulse-width modulation can be of many forms. A PWM signal of constant frequency can be obtained by comparing the ramp…

Pulse-width modulation can be of many forms. A PWM signal of constant frequency can be obtained by comparing the ramp signal (or carrier signal) with the error between the desired and the actual output voltage signal (Vc, compensator voltage signal).

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.

Infrared (IR) sensors are normally used to measure distances, but they can also be used to detect objects. By connecting…

Infrared (IR) sensors are normally used to measure distances, but they can also be used to detect objects. By connecting a couple of IR sensors to an Arduino, you can make an intruder alarm.

For many applications, there's no need to use a more expensive liquid crystal display to display data. A simple…

For many applications, there's no need to use a more expensive liquid crystal display to display data. A simple seven-segment display is sufficient.

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.

The basic converters complete equivalent circuits can be studied here which include the basic AC modeling approach and…

The basic converters complete equivalent circuits can be studied here which include the basic AC modeling approach and the results for several converters. A simple circuit diagram is used for high-frequency converters. We will construct the non-linear model and convert it into a linear circuit that describes the small-signal performance of a circuit.

Communicating serially with the Arduino is easy! Here, we'll show how to take some temperature measurements and then send…

Communicating serially with the Arduino is easy! Here, we'll show how to take some temperature measurements and then send the measurements over the serial link.

Monitoring the output of a light-dependent resistor, or photoresistor, allows the Arduino to know how light or dark it…

Monitoring the output of a light-dependent resistor, or photoresistor, allows the Arduino to know how light or dark it is. When the light falls below a certain level, the Arduino turns on a couple of LEDs.

This article describes superposition and its simple applications.

This article describes superposition and its simple applications.

You can easily interface a liquid crystal display (LCD) with an Arduino to provide a user interface.

You can easily interface a liquid crystal display (LCD) with an Arduino to provide a user interface.