Using the current voltage to control higher voltage motors power

HappyEssex

New Member
Hey all

Im a DIY drone modder and have done a fair few changes to my DJI Tello (see my intro post). http://quadcopterforum.com/threads/a-very-hacked-dji-tello-looking-for-help-for-next-stages.26141/

Ive joined the forum as I specifically need some advice on this-

How do I use the standard motor voltage wires to control a higher powered motor connected to a higher voltage battery.

There are many justifications for doing this, also explained in my intro post! :)

Ive seen this-

Can I put the standard motor wires to the input signals?
Can I then put the higher power battery to VM?


To save going off topic, the logic power feed would be fed by the now demand reduced Tello's VS point on the Tello PCB.


Many many thanks to all who reply :D
 
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