Graham Prophet @ eedesignnewseurope.com writes: Silicon Labs has introduced a family of optical biometric sensors providing advanced heart rate monitoring (HRM) by transcutaneous optical measurements, along with electrocardiogram (ECG) capabilities, for a range of wearable fitness and...

Contact-less controlled automatic wardrobe light turns on the LED when you open the wardrobe door. Τhe project is based on Hall effect IC including LED driver and tiny magnet. Board doesn’t require any mechanical switch. When magnet is close to the board, LED is off, when you open...

Build the World’s Smallest Atomic Clock, Trap a Nitrogen Atom in a Carbon Cage. By Kyriakos Porfyrakis and Edward A. Laird @ ieee.org: An atomic clock begins with an oscillator [see diagram], which creates a frequency close to the energy level of the atom being used. If the...

Luca Pascarella @ open-electronics.org presents how to setup their open source ethernet broadcaster. He writes: Recently, we have presented an Ethernet audio streaming unit. In particular, we have shown how to configure the boards to work with other similar devices or with VLC Media...

 Teardown, Repair & Experiments with an Agilent 8562E 30Hz - 13.2GHz Spectrum Analyzer -...

by Bryce Salmi @ faradayrf.com: The Radio Amateur Satellite Corporation, AMSAT, recently designated RadFxSat as AO-91 after its successful deployment from a Delta II rocket as a secondary payload to NASA’s JPSS-1. RadFxSat is the first of several AMSAT satellites which are flying a...

Under the “Power by Linear” branding it recently created for the product lines it acquired with its purchase of Linear Technology, Analog Devices has added the LT3964, a dual channel, 36V, high efficiency, synchronous, step-down LED driver with internal 40V, 1.6A power switches and...

Here is an interesting article from autodesk.com about IoT for the Electronics Designer. Learn how to choose the Right Protocol for Your First Project. The Internet of Things (IoT) is connecting our world together more intimately than ever. It’s also adding a whole new level of...