Activity: 1. Update the blog
2. Continue trobuleshoot the motor circuit
Objective: 1. Update and make some correction in certain part of this blog
2. To test the functionality of the circuit
Procedure:
1. Correcting the connection of wire leads but the IC driver become hot.
2. The input supply voltage of stepper motor is 12V and the common voltage (pin 16) for L293D is 5V. You can refer the pinout of the L293D as figure below
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Figure 1: The pin out of L293D
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Results/analysis
The maximum output current of L293D is 600mA but the current motor is 1.5A.
The L293D cannot drive the motor because the motor has high current which is 1.5A. The L293D is not suitable for this stepper motor that has been use in this project.
Conclusions
A new driver should be find to replace the driver. The new driver must have higher current to driver the motor. If the driver is low current, so that the motor can't move because it has not enough power to moves.
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