How to hook up an ESC with a twisted pair signal wires

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I’m building a 250 quad that uses a NAZE32 flight controller. The ESCs that I am using have a twisted pair for the signal. Do I hook up both wires to a control output on the NAZE32? Thanks

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Hi David, Thanks for posting here. It sounds as though your escs are Opto escs, which means that they don’t have a BEC or power supply built in. If this is the case, there will only be a white and black wire coming off of the ESC.

In this case, both wires need to be hooked up. Some people will Omit the ground (black) wire, but this is a bad idea because the esc needs to have a ground reference, and having a wire that goes from the ESC signal ground reference to the flight controller ground is the best way to do this.

So, Yes, you should hook up both the ground wire and signal wire from your ESC to your flight controller.

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Anonymous 1 Comment

Thank you for your response. I should have mentioned that the ESC is a DYS BL20A. I’m new to building quads and this information is most helpful.

Yes, The DYS SN or BL20a series escs have both a signal and ground wire. They are opto escs and don’t have a power wire. So you should connect both the ground and signal wires to the flight controller. I am glad that you are finding our site useful! Thanks!

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