ePanorama.net

All about electronics and circuit design

Mains powered LED circuits

For a change it is nice to see circuit designs that would work posted to Facebook (most AI Slop circuits seen in Facebook do not work at all). Even those circuits would work, those circuits are potentially very dangerous circuit if not built exactly right. The biggest dangers are electrocution and fire. Start with circuit

Blown fuse indicator for 12V

Have you ever experienced a malfunctioning device without the slightest idea as to what the issue might be? Typically, this issue is due to a blown fuse. This basic circuit published at https://www.facebook.com/share/p/1Gi4UZHpVh/ claims to be able to serve as an instantaneous way for you to detect whether it is in fact due to a

Modern C++ Patterns

Modern C++ is a Mess (And I Love It) Miten hyödyntää Moderni C++ -ohjelmointikieltä tehokkaasti ja joustavasti? https://www.tieturi.fi/webinaari-miten-hyodyntaa-moderni-c-ohjelmointikielta-tehokkaasti-ja-joustavasti/ Modern C++ Design Patterns Full Course C++ Design Patterns – The Most Common Misconceptions (2 of N) – Klaus Iglberger – CppCon 2024 Hands-On Design Patterns with C++ by Fedor Pikus Design Patterns in C++ Modern C++

Organic HiFi cables

A blind listening test on the diyAudio forum put an unusual claim to the test. Could listeners tell the difference between audio signals sent through normal copper wire, a banana, or even wet mud? The answer, based on submitted results, was no. Copper wire vs bananas vs mud – An interconnect test https://www.diyaudio.com/community/threads/copper-wire-vs-bananas-vs-mud-an-interconnect-test.420367/ Audiophiles Can’t

GPS interference and attack drones hit Finland

Strong GPS interference and attack drones hit Finland today. Two drones crash in southeastern Finland in ‘suspected territorial violation’. Ukrainian drone crashes in southeastern Finland near Kouvola, air force confirms. The origin of other drone is not yet revealed. Fighter jets patrol southeastern Finland, as Ukraine drone strike hits Russian oil port near Finland. The

Dangerous LED tester circuit warning

Circuit source: https://www.facebook.com/share/p/1HGut3uEAd/ This is a bad and dangerous design This is a dangerous design. There is potentially lethal voltage on those probe pins. ⚡️☠️ I strongly discourage to build this. Design problems – no isolation from mains – test probes and circuit being tested dangerous to touch – pointless filter coil in output –