Pin 6 of chip 3842 should be 2V. Since pin 6 is the driver pulse output, it mainly looks at the voltage of pin 8, if 5V, it means that the chip is basically normal, otherwise the c...
Pin 6 of chip 3842 should be 2V. Since pin 6 is the driver pulse output, it mainly looks at the voltage of pin 8, if 5V, it means that the chip is basically normal, otherwise the chip is broken.
