100 Pieces ULN2803: 8 Channel Darlington Driver (Solenoid/Unipolar Stepper) By Toshiba DATASHEET Description Bring in some muscle to your output pins with 8 mighty Darlingtons! This DIP chip contains 8 drivers that can sink 500mA from a 50V supply and has kickback diodes included inside for driving coils. This will let your little microcontroller or microcomputer power solenoids, DC motors (in one direction) and unipolar stepper motors.
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