Is there such a relay board where i could connect from my receiver to reverse motor polarity on 4 small 5v motors individually?
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I doubt a response is possible unless you provide more information. Bushed or brushless? What current? One channel per motor, or multiplexed somehow? Do you really want mechanical relays, or an electronic solution? Are they just on/off, or variable speed? -
Brushed, low amp draw, on, off, reverse one channel per motor is fine. Would something like Arduino based system work?Comment
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Easiest way would be to use a cheap, reversing "brushed" ESC for each motor, like are used in inexpensive trucks and boats.
Like this ($13 for two) https://www.amazon.com/gp/product/B0...0?ie=UTF8&th=1
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