I saw this circuit seen on Facebook at https://www.facebook.com/share/r/1GAqZQWc7y/ In this circuit design the soil acts as a simple moisture sensor by changing electrical resistance with water content, forming a basic circuit with two probes (wires) connected to transistor and indicator LED. Water conducts electricity better than dry soil. When water fills the gaps between →
You know what I miss? Turning on something and having it just work. No registering on another device. No downloading an app. No clicking many accept popups (cookies tracking legal). Just plug it in and it does the thing it’s supposed to do. →
How to get your tablet or smart phone display graphics to show on your AV system? Year ago there were HDMI outputs built into several tablets, but nowadays you very rarely see HDMI port in tablet. ✔️ 1. Direct HDMI or micro-HDMI port Some Android tablets have a micro-HDMI or even a full-size HDMI port. →
The day is here! International Sound Check Day Check one two, one two, one two. It’s International Sound Check Day! First held on one two, one two, one two (12/12/12), International Sound Check Day is a play on the date it is held and celebrates the sound check. Five minute sound check https://youtu.be/LzI54x6nork?si=gku8iQppqkAUhVuH →
This posting is here to collect cyber security news in December 2025. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments. →