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The L293 H-bridge will control up to 2 30v 1 amp dc motors, or one bipolar stepper motor.
Here are the parts you will need:
The L293 H-Bridge is capable of driving up to two 1 amp, 36 volt DC motors. The motor is controlled through a combination of one high and one low signal to the appropriate input pins that determines the direction of the motor.
To control one motor
Your code will send a HIGH to pin 1A while sending a LOW to pin 2A. This will cause the motor to turn in one direction. To reverse the direction, send a LOW to pin 1A and a HIGH to pin 2A.
Adding the second motor
LOAD1 - Power supply for motor 1 (MAX 36v at 1 amp) LOAD2 - Power supply for motor 2 (MAX 36v at 1 amp) GND - Connect to Ground +5 - Connect to +5 volts