4 Pegasus Astro
– Copyright 2021
Power supply
The controller is fitted with a standard 2.1mm centre positive DC power connection which powers on
the controller. It can accept DC 9V minimum to DC 15V maximum. Please use a power supply that can
provide DC 12V / 1A (at least)
Insert the 2.1mm plug on the DC power cable. Controller will initialize and the status LED will light in
green colour.
Unit has been designed with reverse polarity protection. If you accidentally reverse the power
source polarity the unit will cut the power.
Motor Connector
– DB9 (Older - DMFC 3.1)
The controller is fitted with a D Sub 9 Pin Female jack.
•
Stepper Motors utilize first four (4) pins of D Sub 9 female jack
•
DC Motors utilize first two (2) pins of D Sub 9 female connector. Duty cycle pulse width
modulation (PWM) controls the motor.
Female D Sub
Stepper Motor
