ePanorama.net

All about electronics and circuit design

Bad wire connector teardown

I have earlier written about bad cheap Chinese wire connect that did not live up to specifications and was potentially dangerous for mains power at http://www.epanorama.net/newepa/2018/01/24/cheap-quick-wire-connector-block/ Here is teardown of that Let’s open open it Here was all. The problem in construction that there is quite weak spring that pushes against wire. On the other

Intel, Qualcomm and Google are cutting off business with Huawei

It seems that USA-China trade war has really started now: America was the land of free trade … precisely until it is not anymore. https://www.androidauthority.com/intel-qualcomm-huawei-988011/ Intel, Qualcomm, Broadcom, and Xilinx have reportedly moved to stop supplying Huawei. Google has also suspended business with Huawei in the wake of the ban. https://techcrunch.com/2019/05/20/several-chip-companies-including-qualcomm-and-intel-have-reportedly-stopped-supplying-huawei-after-blacklist/ According to Bloomberg, semiconductor

Friday Fun: People Are Sharing Pics Of Their Cats Acting Weird

Cats and Internet Wikipedia page says that images and videos of domestic cats make up some of the most viewed content on the web, particularly image macros in the form of lolcats. Here is links to some funny picures of this “unofficial mascot of the Internet”: http://www.boredpanda.com/hey-pandas-share-pics-of-your-cat-acting-weird/?llid=A6kM2&utm_source=facebook&utm_medium=link&utm_campaign=liquidsocial&utm_content=mN1w

Deep Dive: Intel Analysis of Microarchitectural Data Sampling

https://software.intel.com/security-software-guidance/insights/deep-dive-intel-analysis-microarchitectural-data-sampling This technical deep dive expands on the information in the Microarchitectural Data Sampling (MDS) guidance. Be sure to review the disclosure overview for software developers first and apply any microcode updates from your OS vendor. Apple, Amazon, Google, Microsoft and Mozilla release patches for ZombieLoad chip flaws https://techcrunch.com/2019/05/14/intel-chip-flaws-patches-released/ Intel MDS Vulnerabilities: What You Need

Inter-process communication in Linux

Inter-process communication in Linux: Using pipes and message queues Learn how processes synchronize with each other in Linux. https://opensource.com/article/19/4/interprocess-communication-linux-channels Inter-process communication in Linux: Shared storage Learn how processes synchronize with each other in Linux. https://opensource.com/article/19/4/interprocess-communication-linux-storage?sc_cid=7016000000127ECAAY

Useless device kit

A useless machine is a device which has a function but no direct purpose. Typically it is an amusing engineering “hack“, or as an intellectual joke. The most well-known “useless machines” are those inspired by Marvin Minsky‘s design, in which the device’s sole function is to switch itself off by operating its own “off” switch.