Automatic shutdown 3D printer
This module will surely be used by anyone who prints regularly on a 3D printer. The printout is complete, but the printer is still on. […]
Bidirectional controller for model railway – V2
We present you a new version of the controller for model railways. About 5 years ago since the publication of this article, I was approached […]
Laboratory power supply 0-30V 0-3A
As one of the basic equipment of every craftsman is an adjustable laboratory source. There are many schemes on the Internet, but everyone has their […]
How to print PCB design
How to correctly print a PCB theme in the correct resolution, or how to determine its size. You are often asked how to print a […]
“Batest” – 12V battery tester
The battery tester is used to check the voltage of a 12V lead-acid battery, eg the on-board voltage in a car. This connection is suitable […]