USB port colors range from black and blue to red and purple. Each color has its own meaning, which is worth understanding if ...

Yellow: These ports can support either USB 2.0 or 3.0, and are "always on", meaning they can supply power even when the device they're connected to is off. Orange: Like yellow, but with support for ...

Many precision current source designs are available, but simple arithmetic for component values to tailor them for an ...