Buffer A device that is used to provide compatibility between
two signals. Typically the device is used to change the
voltage or current level capability, e.g. interfacing the
output of a CMOS device to the input
of a TTL device. In BEAM robotics, buffer
ICs are generally used to increase
current drive capacity (essentially, to act as "current
amplifiers," in order to function as motor drivers). Compare this to an inverter.
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