Latest Resistors Projects

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and…

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.

In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer…

In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer project for the Science Fair 65-in-1 kit.

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity…

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In part 2 of the LED saber project, we'll assemble the power and audio systems.

In part 2 of the LED saber project, we'll assemble the power and audio systems.

Building a metal detector using a Colpitts oscillator and an Arduino.

Building a metal detector using a Colpitts oscillator and an Arduino.

For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.

For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.

Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.

Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.

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.

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.

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 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.

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.