The most used element in radiotechnical devices is a resistor (the old name is resistance). The main characteristic of a resistor is resistance, measured in ohms.
How to check a capacitor
The capacitor is an electrical element found in most devices used in everyday life. Its malfunction often leads to device failure, preventing its use
Programs for PCB layout
At the moment there are a lot of programs and online services for PCB layout. When you find an interesting electronic circuit on the Internet