ePanorama.net

All about electronics and circuit design

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

Cyber security news November 2025

This posting is here to collect cyber security news in November 2025. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments.

Friday Fun: Audiophile memes

Painfully hilarious memes only audiophiles will understand: https://www.headphonesty.com/2024/11/memes-true-audiophiles-understand/?utm_source=fb&utm_campaign=link_in_comment

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

Cyber security news October 2025

This posting is here to collect cyber security news in October 2025. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments.

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

Power cable snake oil

I don’t see any technical benefit of this cable construction for this application. – because there isn’t https://www.facebook.com/share/p/1CvWzJAZSN/ The reason is that it looks cool so people who don’t understand anything else will pay for it. So does he have mini pylons that he strings them across so that they don’t touch like they do

Aneng PN129

The ANENG PN129 is a handheld, U-shaped clamp meter that combines the functionality of a multimeter with the convenience of a non-contact clamp measurement tool. ANENG PN129 is a compact, U-shaped clamp meter/multimeter designed for quick electrical measurements. It designed to allow you measure AC and DC current safely without disconnecting wires. ANENG PN129 is

Friday Fun: Fart sounds

Flatulence humor (more commonly known as fart jokes) is a form of toilet humor that refers to flatulence. The funniness of farts is associated with uncontrollable physicality. fart.js is a tool to add the fart sound on earth to your pages (supports Chrome, Firefox, Opera, Safari, IE). You can find fart piano on-line at https://www.burpandfartpiano.com/