ePanorama.net

All about electronics and circuit design

SilverCrest USB power bank teardown and repair

Here is few years old SilverCrest USB power pack with solar charger that stopper charging a smart phone. Because changing the charging cable did not help and the charging connector felt a little loose, it seems that the power pack is to blame here. Ithad served several years well as portable power pack that had

Audio over CAT5

Here are some links on transporting audio signals over twisted pair wiring: Digital PreSonus eliminates the snake with a single CAT5 cable #105 – Audinate AVIO Dante Audio Adapter: First Look & Review   Analog #89 – SoundTools CAT Box Snake & SuperCAT CAT5e Review Using Cat5 cable for analog, AES3 and ClearCom signals with

Cyber Security Trends May 2019

This posting is here to collect cyber security news in May 2019. I post links to security vulnerability news to comments of this article. If you are interested in cyber security trends, read my Cyber security trends 2019 posting. You are also free to post related links.  

POPULAR ELECTRONICS: Consumer Electronics and Experimenter magazine

https://www.americanradiohistory.com/Popular-Electronics-Guide.htm American Radio History site has Popular Electronics and a number of other 50′s-90′s electronics and computer magazines, all PDF. Includes the Experimenter’s Handbooks and several Ham Radio focused publications. There is also a Reference Book. Great collection of history for all of you that grew up with it and those that did not.

How the Boeing 737 Max Disaster Looks to a Software Developer – IEEE Spectrum

https://spectrum.ieee.org/aerospace/aviation/how-the-boeing-737-max-disaster-looks-to-a-software-developer The Boeing 737 Max has been in the news because of two crashes, practically back to back and involving brand new airplanes. “Everything about the design and manufacture of the Max was done to preserve the myth that ‘it’s just a 737.’ Recertifying it as a new aircraft would have taken years and millions

Intel’s 5G bubble bursted

Intel’s 5G bubble seems to have bursted! Intel is quitting the 5G smartphone modem business: ‘There is no clear path to profitability and positive returns’ https://nordic.businessinsider.com/intel-quits-the-5g-smartphone-modem-business-2019-4?r=US&IR=T Intel to quit 5G modem effort after Apple reaches deal with Qualcomm https://www.axios.com/intel-to-quit-5g-modem-effo-after-apple-reaches-deal-with-qualcomm-1555457849-ea43a1c3-0d7f-4722-90d0-ae37e010d1b9.html How does this decision affect the future bussiness expectations of 5G technology for other companies?