Procedure Base resistor calculation: Measure the resistance of the relay coil Write that here Determine the maximum collector current assuming the VCE = 0, 12V / relay resistance = datasheet current. (3.3V-0.7)/ib Then find the min
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Procedure Base resistor calculation: Measure the resistance of the relay coil Write that here Determine the maximum collector current assuming the VCE = 0, 12V / relay resistance = datasheet current. (3.3V-0.7)/ib Then find the min