Figura 1 – Modelos de capacitores variáveis de rádios, de várias épocas.
RADIO AMATEUR NEWS, 1920
Seven Segment Display Interfacing
Shortwave Receiver Siemens E 309
This video covers the basics of linear voltage regulators - what they do, how to wire them up, and where to find them. Then I give a basic example of how to build a 5V supply that can be used to power USB powered gadgets. Don't forget to subscribe! This video builds on material covered in my tutorial on building unregulated power supplies: h...