Every peripheral device (keyboard, modem, monitor, etc.) requires a control circuit that interfaces with the computer's processor (CPU). These circuits are either built into the chips on the ...

If you have multiple audio inputs or outputs connected to your Mac, then you’re probably aware that you can visit System Preferences to manage and switch between interfaces at will. But wouldn’t it be ...

High-efficiency step-down switching regulators for positive voltages are very common, however negative step-down switching regulators (negative voltage in, negative voltage out, common ground) are not ...