Share the logic reference
Connect controller GND to the driver and both supply returns.
Build a basic L293D circuit with labeled pins, component values and connection guidance.
A controller, one real IC and an unmistakable motor connection.
Follow the component values and pin connections
Connect controller GND to the driver and both supply returns.
The motor rail feeds pin 8. Logic power goes to pin 16.
The motor is between 1Y and 2Y, not between one output and ground.