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I built a 3-axis skull last year, and used cat5 cabling to carry the 4 servos' control signals, and the DC power straight from the SSC-32 board. This worked great. I ran another cable to carry the amplified audio to the nearby speaker.
This year, I want to add 2-axis eyes to another 3-axis skull. This means six signal wires will be needed, and the necessary power, plus the audio. Clearly the two remaining conductors in the cat5 won't be able to handle the current demands of six servos.
So I'm wondering if I can use a second cat5 cable to carry both the servo power and the amplified audio. (I'd love to use a single cable to carry the control signals, servo power, and audio signals, but a cable with that many conductors is totally cost-prohibitive for me. Although Grainger seems to have some interesting options...)
Question for you electrical experts:
Thanks,
dgm
This year, I want to add 2-axis eyes to another 3-axis skull. This means six signal wires will be needed, and the necessary power, plus the audio. Clearly the two remaining conductors in the cat5 won't be able to handle the current demands of six servos.
So I'm wondering if I can use a second cat5 cable to carry both the servo power and the amplified audio. (I'd love to use a single cable to carry the control signals, servo power, and audio signals, but a cable with that many conductors is totally cost-prohibitive for me. Although Grainger seems to have some interesting options...)
Question for you electrical experts:
- Do I need to worry about any interference by running a DC power load alongside an amplified audio signal in the same cable?
- I plan on doubling up the conductors for + and - on both, will that be sufficient for a 30' run?
- Can I take advantage of the twisted pairs to eliminate interference? If so, what twisted with what?
Thanks,
dgm