The L293D is very inefficient and is likely to be dropping 2-3V so you're probably getting no more than 3V across the motors. You really need to be powering it with at least 6V, preferably more.
steve
The L293D is very inefficient and is likely to be dropping 2-3V so you're probably getting no more than 3V across the motors. You really need to be powering it with at least 6V, preferably more.
steve