ePanorama.net

I saw thus funny audio system noise troubleshooting video at Facebook. It was originally posted to YouTube under name Where does that noise come from? →

Here is a simple method to convert ePanorama.net electronics component data search tool to “mobile app” for Android phone: 1. Go to https://www.epanorama.net/cgi-bin/semi.cgi?keyword= on your mobile browser. 2. Select from your broser menu to create an icon to your smart phone start screen. 3. Now you have an icon that starts this web app as →

After the mid 90s boom in popularity glitch has become a critical part of contemporary popular esthetics. How to make Analog Video Glitches | Circuit Bending video discusses how to make unique analog “glitch” textures for your next video: Karl Klomp‘s Dirty Video Mixer is one of the best known and wide used simple circuits →

Any form of energy, when not properly controlled or harnessed, can result in serious danger to those who use it. Electricity at any voltage can be dangerous and should always be approached with caution. Direct Dangers of Electricity include a variety of hazards that include Electric Shock, Physical Burns, Neurological Damage and Ventricular fibrillation resulting →

This posting is here to collect cyber security news in June 2021. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments. →

Sometimes there are needs to measure mains voltages with oscilloscope. You must be very careful when measuring voltages on the mains with any measurement instrument. The mains voltages are absolutely deadly. Measuring mains voltages with multimeter can be dangerous. Trying to do the measurement of mains voltage with oscilloscope is potentially more dangerous, because typically →

Know Your Meme: Indestructible Nokia 3310 https://knowyourmeme.com/memes/subcultures/indestructible-nokia-3310 Indestructible Nokia 3310 is the nickname given to Nokia’s 3000 series mobile phones and customer review parodies poking fun at their durability and heavy weight. The Nokia 3310 mobile phone was released in the fourth quarter of 2000. It is considered one of the best selling phones of →

Today’s USB-C charging can support up to 100 watts. But that’s not enough for all gaming laptops and other power-hungry devices. There seems to be real need for more USB power because some manufacturers have sold off-spec 130W USB-C adapters. The new standard capacity of 240 watts is enough to run larger monitors, printers, gaming →

I have had several situations where everything is hum free, but when I disconnect or power down the signal source (smart phone, computer etc..) I start hearing annoying humming noise. The noise goes away when the signal source is plugged in and powered. Latest example was some cheap multimedia speakers connected to USB sound card. →

Old telephone cables are being pulled from the ground to make room for new fiber optic cables in Helsinki Finland. Bye bye PSTN. According to plans they will be gone in few years. Here they are pulling out the old telephone cable. Freshly pulled out “filled liquorice”. Old telephone wires to carry PSTN, ADSL and →