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Hello, i recently came across a Xcelorin 8750kv brush-less motor and corresponding Xcerlorin ESC.
I will have my setup attached below, but pretty much i am powering an Servo tester(5v) from arduino and the servo tester has 3 pins as an output (ground,+v, signal) which i feed into the ESC. Then i powered the ESC's ground and +voltage cables from my dc power supply.
What i have noticed is that i am able to power the motor without powering the 2 cables on the ESC( ground,+)!!! As far as i know this should not be.
Does that mean i am pulling current from the 5v arduino pin?
Even when i varied the voltage from my dc power supply to the ESC it would have no effect on the motor or ESC and it shows that i am not pulling any current on my DC power supply.
Any suggestion because my motor seems a little weak.