[ Ссылка ]
Sooner or later, you're going to need 5 volts. Using the 7805 voltage regulator and a power adapter (which you probably have sitting around), you can have 5 volts before you know it.
![](https://i.ytimg.com/vi/yC3omC1cFE8/mqdefault.jpg)
[ Ссылка ]
Sooner or later, you're going to need 5 volts. Using the 7805 voltage regulator and a power adapter (which you probably have sitting around), you can have 5 volts before you know it.