ePanorama.net

All about electronics and circuit design

Telephone handset to smart phone and laptop

I have understood that hooking up an old telephone handset to work with a cell phone is simply a matter of connecting together the correct wires. You need to wire the microphone and speaker in the old telephone’s handset to the microphone and speaker in the cell phone’s headset connector. I decided to try that

8 Strategies to Develop a New Product – Hackster Blog

https://predictabledesigns.com/product-development-strategies/ There are multiple ways for you to develop a new physical product and bring it to market. However, the strategy that is best for you depends on your specific experience, your product, your team, and your finances. Keep in mind that there is no strategy to develop a product that is best for everyone

Quantum Garden display

I saw this morning an interesting quantum demostration display at Aalto University campus in Espoo Finland. There are springs you are allowed to touch to control this display. Here is closeup of description on the display More details on the project page http://quantum.garden/ It looks like the large number of LEDs in this display could

The next version of HTTP won’t be using TCP | Ars Technica

https://arstechnica.com/gadgets/2018/11/the-next-version-of-http-wont-be-using-tcp/ HTTP is switching to a protocol layered on top of UDP. Today’s HTTP (versions 1.0, 1.1, and 2) are all layered on top of TCP (Transmission Control Protocol). TCP isn’t particularly tuned for the kinds of scenarios that HTTP is used for. TCP requires a number of round trips between client and server to

Christmas lights technology

Christmas lights can be a beautiful sight to behold. Stringing lights around your home can be a real safety hazard if you’re not careful. For outdoors use the lights you need to have lights that are designed to be used outdoors. The lights made for outdoors used can withstand the outdoors conditions – meaning possibly

USB to RJ45 adapter teardown

Here is tear-down of cheap USB 2.0 to CAT5E CAT6E RJ45 LAN Modem Extension Extender Adaptor for Webcam XBOX adapter. This adaptor is designed to allow your USB cameras, printers, webcams, keyboard, or any other USB device to be situated some longer than normal USB cable (few meters) distance away from PC. This converts USB

Rake news: How social media trolled Trump about raking Finnish forests

https://inktank.fi/rake-news-how-social-media-trolled-trump-about-raking-finnish-forests/ This weekend Donald Trump visited wildfire-devastated California and said that California should do more ‘raking like Finland.’ Nobody rakes forests in Finland. Needless to say, Finns on social media had a field day with Trump’s “rake news.

USB sound card repair

I ordered this cheap (around $10-15) 5.1 channel USB sound card from China few years ago. The device does not have markings on the box so hard to day which exact model it it was. It seems that there are several similar looking cards available at dx.com and banggood.com even today. CM6206-LX based USB Sound