Hi guys, I have a question in physics?
Why does the motion detector turn on when no one is standing in front of it?
Thanks for any answer
Hello, I need an ESP32 board for school. My teacher recommended the following: https://www.amazon.de/AZDelivery-NodeMCU-Development-Nachfolgermodell-ESP8266/dp/B071P98VTG/ I need the board urgently, but the delivery time is 6 days (until May 6th, Saturday). As an alternative I found the following, which is also cheaper: https://www.amazon.de/AZDelivery-unverl%C3%B6tet-Development-Nachaufermodell-inklusive/dp/B08BTWJGFX/ What's the difference between the two boards? Do you know of another alternative…
Why are the first two and three replaced with x? And how do you get 14 and 12, respectively?
Hello dear community, I want to operate a 3D printer that only has WiFi in a room without WiFi reception. Therefore, I am looking for a switching actuator that can access the Internet via an Ethernet cable and set up a usable WiFi network. I would then like to control this via the Fritzbox and…
Hi, I connected my multimeter to an LED controller and wanted to know how much current it draws. The picture shows that I set it to 20A, and the screen shows 0.25. Is that now 250mA or 2.5A because according to my understanding I have already set the 20A setting to the 10s range and…
Maybe you don’t see the ghost.
No, no warning, is probably just not perfectly calibrated
Cat ran over or the wind was too strong.