H

Handshaking:

A series of signals acknowledging that communication can take place between two devices. A hardware handshake is an exchange of signals over specific wires (other than the data wires), in which each device indicates its readiness to end or receive data.

HB LED:

High-Brightness LEDs are any of a new generation of LEDs bright enough for illumination applications such as automotive interior, exterior.

H-Bridge:

A circuit diagram which resembles the letter “H.” The load is the horizontal line, connected between two pairs of intersecting lines. It is very common in DC motor-drive applications where switches are used in the “vertical” branches of the “H” to control the direction of current flow, and thus the rotational direction of the motor.

HBT:

Heterojunction Bipolar Transistor

Heat Sink:

A protective device that absorbs and dissipates the excess heat generated by a system.

Holding Torque:

With the motor shaft at standstill or zero RPM condition, the amount of torque from an external source, required to break away the shaft from its holding position.

HTS:

High-Temperature Semiconductor

HTTP:

Hyper Text Transport/transfer Protocol.

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