In the circuit a 555 drives a UCN 5804 stepper motor chip. My problem is with the speed switch set to slow the motor is driven too slow, and with the switch set to fast the motor is driven too fast.
I have changed the pot to 1M but the slowest speed (with the switch set to fast) is the fastest speed I require. At the slowest speed I would like to pulse the motor every 1-2 seconds.
I understand that the capacitor and resistors adjust the timing, but I dont understand the relationship between them.
Could somebody help me with this?
I have changed the pot to 1M but the slowest speed (with the switch set to fast) is the fastest speed I require. At the slowest speed I would like to pulse the motor every 1-2 seconds.
I understand that the capacitor and resistors adjust the timing, but I dont understand the relationship between them.
Could somebody help me with this?
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