All About Circuits

Latest Crystals and Resonators Articles and Videos

Categories

Learn About ATmega328P Fuse Bits and How to Use Them with an External Crystal Oscillator

Learn About ATmega328P Fuse Bits and How to Use Them with an External Crystal Oscillator

This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator.


Ferrite Beads Demystified

Ferrite Beads Demystified

Learn how to get the most out of ferrite beads in your designs.


The Holiday Season Analog Alarm! A Gift-Defending System

The Holiday Season Analog Alarm! A Gift-Defending System

Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.


Projects Dec 05, 2016 by Ryan Jones
Teardown Tuesday: HB100 Doppler Radar Module

Teardown Tuesday: HB100 Doppler Radar Module

Join us as we crack open an HB100 Doppler radar module and delve into the mysteries of RF component design.


News Oct 18, 2016 by Jeremy Lee
Build Your Own Metal Detector with an Arduino

Build Your Own Metal Detector with an Arduino

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


Projects Oct 03, 2016 by Evan Kale
DIY Synth Series Part 1 — The Exponential VCO

DIY Synth Series Part 1 — The Exponential VCO

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


Projects Aug 08, 2016 by Robin Mitchell
Teardown Tuesday: Dash Camera

Teardown Tuesday: Dash Camera

Dash Cameras are becoming a very popular automotive accessory. What's inside of one?


News Apr 26, 2016 by Alex Udanis
Clean Power for Every IC, Part 2: Choosing and Using Your Bypass Capacitors

Clean Power for Every IC, Part 2: Choosing and Using Your Bypass Capacitors

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


EFM8 Sound Synthesizer: Driving the Speaker

EFM8 Sound Synthesizer: Driving the Speaker

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.


Projects Sep 11, 2015 by Robert Keim