ePanorama.net

All about electronics and circuit design

Friday Fun: Funny tech-themed shirt ideas

If you need some funny technology shirt ideas. Here are some crazy, funny tech-themed shirt ideas that are still school-appropriate: “I speak fluent binary” “IT Department: We break things better than you fix them” “404 Error: Sanity Not Found” “I keep all my jokes in a .zip file” “I have a PhD in turning things

Braided cables

What Is Braiding in Cables? Understanding Textile Braids, Shielding Braids, and Braided Conductors Cables come in many forms, and one of the most visually noticeable — and functionally important — design elements is braiding. But not all cable braiding serves the same purpose. Depending on the type, braiding can offer mechanical protection, electromagnetic shielding, or

Audio compression

What Is Compression in Audio? Understanding the Two Types The word compression is often used in audio production, but it can mean different things depending on the context. Generally, compression refers to reducing something — either the dynamic range of an audio signal or the file size of an audio recording. While both processes are

Teknologia 2025

Last week there was two major technology events in Helsinki Finland inside the same building: Teknologia 2025 and and Cyber Security Nordic. I visited both of them. Teknologia 2025 event highlights included increased visitor and exhibitor numbers, with a strong focus on smart and sustainable industry, safety, AI, and the hydrogen economy. Cyber Security Nordic

Dangerous battery charging circuit

I saw this circuit at Facebook at https://www.facebook.com/share/p/1AC9zDA8gR/ I hv been seeing circuits like this i will be wondering what a hell are they publishing like this without shame ! Dangerous, do not use ! This is what I call an “automatic house ingnitor circuit” Lithium battery exploder circuit That looks like a one way

Qualcomm buys Arduino

Who saw THIS coming? Qualcomm just acquired Arduino! And they’re making a new SBC, the Uno Q! Press Note Qualcomm to Acquire Arduino—Accelerating Developers’ Access to its Leading Edge Computing and AI “Acquisition to combine Qualcomm’s leading-edge products and technologies with Arduino’s vast ecosystem and community to empower businesses, students, entrepreneurs, tech professionals, educators and

USB charger bad

Another bad and potentially dangerous circuit from Facebook. This is supposed to charge LiIon battery from USB power. Identified problems: – no current limiting – can overcharge the battery – red charging LED will be always on when there is USB power coming in – green charged LED will not turn on when battery is