Latest Resistors Articles and Videos

Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.

Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.

In this article, we’ll compare active and passive filters and look at some common second-order active topologies.

In this article, we’ll compare active and passive filters and look at some common second-order active topologies.

Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.

Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.

The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much…

The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much power ripple as possible. Because these capacitors have a DC value, they are actually storing a lot of energy that never gets used.

An AC-DC wall adaptor gets disassembled to see what components are used to build it, then the purpose of each component…

An AC-DC wall adaptor gets disassembled to see what components are used to build it, then the purpose of each component is analyzed.

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate…

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.

This article contains practical PCB layout tips that can help your PCB projects work correctly and reliably.

This article contains practical PCB layout tips that can help your PCB projects work correctly and reliably.

An overview of how the concepts of electron flow and the role of individual circuit components can be related to the flow…

An overview of how the concepts of electron flow and the role of individual circuit components can be related to the flow of fluid in pipe networks. The analogy between hydraulics and electricity is a useful tool for teaching and for those who are struggling to understand how circuits work.

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel…

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.

This article provides practical guidance on using ferrite beads to improve your PCB’s power quality.

This article provides practical guidance on using ferrite beads to improve your PCB’s power quality.

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem…

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem to a practical circuit.

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

Proper component selection and careful PCB layout are integral to power supply bypassing.

Proper component selection and careful PCB layout are integral to power supply bypassing.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a…

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a multi-part series on writing PICAXE code.

This is the first in a multi-part series on writing PICAXE BASIC code. This article covers how to read PICAXE pin-out…

This is the first in a multi-part series on writing PICAXE BASIC code. This article covers how to read PICAXE pin-out diagrams, a circuit for coding practice, and the general program format.

An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative…

An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative impedances and some applications.

You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a…

You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a karaoke system. What's a great party with no karaoke? We're about to fix that. All you need are a few potentiometers and an op-amp.

LTSpice is a versatile, accurate, and free circuit simulator available for Windows and Mac. This is an overview of AC and…

LTSpice is a versatile, accurate, and free circuit simulator available for Windows and Mac. This is an overview of AC and DC simulation, as well as how to analyze output signals.