1.Using L298N made by ST company as the controller
2. Built-in 78M05. An external 5V logic supply when using more than 12V driving
voltage is needed.
3.Using large capacity filter capacitor, and protect diodes. Improved
L298N is a high voltage, high current motor driver chip
produced by ST. Having 15 pins as package, this chip has such features as high
working voltage (maximum voltage up to 46V), large output current (peak current
up to 3A, rated current 2A) and 25W rated power. Two built-in H bridge drivers
can be used to drive the DC motor and stepper motor, relay coil and so on. Using
standard logic level signal control, it has two enable control input, which
starts or stop the device. So that the internal logic circuit part works at low
voltage. The chip can connects to external detecting resistor to give the
variations to the control circuit. L298N can drive a stepping motor or four
phase stepping motor, and two DC motors as well.
Driving Step motor
Driving DC motor
43 mm / 43 mm
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