How to Log in to Your Raspberry Pi Using a USB-to-TTL Serial Cable

Connecting to your headless Raspberry Pi on the go typically requires a network connection or carrying around bulky peripheral hardware like a screen and keyboard. With the help of an old-school connecting standard, we can connect directly into our Pi from any computer only a USB-to-TTL serial cable. If we don't have a power source, we can also power our Linux distro over the cable at the same time. A TTL (transistor-transistor logic) serial connection is a legacy hardware connector that has been used for decades. If you have ever used an older computer or printer, you might remember those... more



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