SMG 10 Pcs 7812 Voltage Regulator IC Electronic Components Electronic Hobby Kit
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A LM7812 Voltage Regulator is a voltage regulator that outputs +5 volts, Pin 1 (Input Pin): The Input pin is the pin that accepts the incoming DC voltage, which the voltage regulator will eventually regulate down to 5 volts., Pin 2 (Ground): Ground pin establishes the ground for the regulator., Pin 3 (Output Pin): The Output pin is the regulated 5 volts DC.