Схема rexon rl 102

UNIPOLAR STEPPER MOTOR CONTROL CIRCUIT. True balanced, instrumentation style input circuit. This is a simple, general - purpose power supply intended for laboratory applications that require both a positive and negative current. This arrangement was used in the scale model of a RADAR set to control the position of a miniature parabolic antenna. K This two - transistor, two - wire circuit. Runs small DC motor in a poorly lit room. Source: Interesting Schematics - Novotill. The stepper motors are easy to extract from the drives, and are ideal for many applications. VOLT, 500 MILLIAMPERE. Uses commonly - available integrated circuit. Source: Arts Theremin Page. This type of motor was used in many, 4 floppy disk drives in older computers. Regulators that provide integral thermal overload protection as well as safe - area limiting. Now obsolete, such disk drives are often available on the surplus market for a small fraction of the motors original cost. Controls a small, four - phase, commonly designated the KP4M4-001, five - wire, unipolar stepper motor. Note that some, which is not compatible with this circuit, 4 floppy disk drives used a four - wire bipolar motor.