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Teardown Tuesday: Leeo Wi-Fi Carbon Monoxide and Smoke Alarm

Teardown Tuesday: Leeo Wi-Fi Carbon Monoxide and Smoke Alarm

In this teardown, we examine the PCBs and the main ICs found inside the Leeo Smart Alert Nightlight.


News Jun 27, 2017 by Nick Davis
High Fidelity, Low Power: A New Audio Amplifier from Analog Devices

High Fidelity, Low Power: A New Audio Amplifier from Analog Devices

You can simplify and improve the performance of your audio circuits with amplifier ICs such as the SSM6322.


News Jun 21, 2017 by Robert Keim
Improving on an Improvement: A New MEMS Microphone from PUI Audio

Improving on an Improvement: A New MEMS Microphone from PUI Audio

MEMS microphones offer advantages over electret devices and now we have the PMM-3738-VM1000-R, which offers advantages over the standard MEMS approach.


News Jun 01, 2017 by Robert Keim
GE Unimpossible Missions Series: Fighting Fire with Fire

GE Unimpossible Missions Series: Fighting Fire with Fire

A multi-part series on GE's Unimpossible Missions, which challenge engineers and scientists with tasks where they demonstrate what can be accomplished when experts collaborate.


News May 27, 2017 by Donald Krambeck
Teardown Tuesday: Bluetooth Sony Speaker

Teardown Tuesday: Bluetooth Sony Speaker

With everything going wireless it comes as no surprise that even speakers are using Bluetooth! In this Teardown Tuesday, we will strip down a Sony Bluetooth Speaker to see how they are put together and what parts they consist of.


News May 16, 2017 by Robin Mitchell
Teardown Tuesday: WorkTunes Hearing Protection Headphones

Teardown Tuesday: WorkTunes Hearing Protection Headphones

In this teardown, we examine the guts of 3M's hearing protection device which comes with a built-in AM/FM radio and is capable of playing music from your MP3 player.


News May 09, 2017 by Nick Davis
How Sound Waves Can Fool MEMS Accelerometers (and Other Ways to Dupe Sensors)

How Sound Waves Can Fool MEMS Accelerometers (and Other Ways to Dupe Sensors)

Accelerometers, activity trackers, and fingerprint sensors can be duped. Learn how and what designers can do to prevent false input.


News May 01, 2017 by Donald Krambeck
A Brief Introduction to the Common Mode Choke and Its Applications

A Brief Introduction to the Common Mode Choke and Its Applications

This article goes over the basics of the humble common mode choke and its applications.


News Apr 23, 2017 by Donald Krambeck
New Class D Amplifiers and a DSP for Your Audio Applications

New Class D Amplifiers and a DSP for Your Audio Applications

In this article we’ll look at three new components for amplifying and processing audio signals.


News Mar 10, 2017 by Robert Keim
Teardown Tuesday: Sound-Activated LED Party Lighting

Teardown Tuesday: Sound-Activated LED Party Lighting

See what's inside a sound-activated LED for use in DJ environments.


News Mar 07, 2017 by Robin Mitchell
Engineer Spotlight: NXROBO’s Dr. Tin Lun Lam on the Complexities of Designing Home Robots

Engineer Spotlight: NXROBO’s Dr. Tin Lun Lam on the Complexities of Designing Home Robots

NXROBO's Tin Lun Lam shares insights on designing home robots.


News Mar 06, 2017 by Dr. Steve Arar
Teardown Tuesday: Baofeng Amateur Radio Transceiver

Teardown Tuesday: Baofeng Amateur Radio Transceiver

This teardown looks at some of the circuitry inside Baofeng's dual-band handheld transceiver.


News Feb 28, 2017 by Mark Hughes
New Low-Power Op-Amps for Your Analog and Mixed-Signal Designs

New Low-Power Op-Amps for Your Analog and Mixed-Signal Designs

Yes, manufacturers are still improving op-amps. This article looks at new offerings from Maxim, Linear Tech, and STMicroelectronics.


News Feb 24, 2017 by Robert Keim
A New Nanoscale Metamaterial Could Conduct Better than Semiconductors

A New Nanoscale Metamaterial Could Conduct Better than Semiconductors

Despite being heavily replaced by semiconductors, a team of researchers has developed a nanoscale device that operates similarly to valves.


News Dec 07, 2016 by Robin Mitchell
Overclocked Wearables Can Pick Up Bio-Acoustic Signals

Overclocked Wearables Can Pick Up Bio-Acoustic Signals

Software updates can make conventional wearables capable of recognizing the wearer's movements.


News Nov 25, 2016 by Dr. Steve Arar
Teardown Tuesday: Amazon Echo Dot v2

Teardown Tuesday: Amazon Echo Dot v2

The Amazon Echo Dot v2 is out. Here's a look inside.


News Nov 01, 2016 by Mark Hughes
Retro Teardown: Super Speak & Spell

Retro Teardown: Super Speak & Spell

In this Retro Teardown, we will be tearing down the Super Speak & Spell produced by Texas Instruments in the early 1990s.


News Oct 13, 2016 by Robin Mitchell
Can Kano 2 Get Kids into Electrical Engineering Project Development?

Can Kano 2 Get Kids into Electrical Engineering Project Development?

Kano has taken DIY educational computer kits to a new level with their Kano 2 on Kickstarter.


News Oct 05, 2016 by Robin Mitchell
New Acoustic Prism Splits Sound Like Optical Prisms Split Light

New Acoustic Prism Splits Sound Like Optical Prisms Split Light

Scientists at EPFL have invented an acoustic prism which separates different frequency components of sound similar to an optical prism.


News Aug 22, 2016 by Dr. Steve Arar
iPhone’s Losing Its Headphone Jack—Designers Have Other Plans

iPhone’s Losing Its Headphone Jack—Designers Have Other Plans

Apple's removing the 3.5mm headphone jack. Luckily, converting wired headphones to wireless is easy with Bluetooth adapters.


News Aug 15, 2016 by Seth Schaffer