Laboratory power supply – what is it and what is it used for?
Laboratory power supplies are specialized devices that provide electricity and allow precise regulation of its parameters.
Equipment of this type is indispensable in any electronics workshop when diagnosing, servicing and repairing electronics.
Raspberry Pi 4 – What is it and what is it used for?
Raspberry Pi version 4B offers big changes from previous models.
The device retains the GPIO ports known from previous versions, 4 USB ports.
What else is worth knowing about the RPi 4?