ServoDrive U2 的作用是什么？ #137
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ppeetteerrs
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因为舵机上原版的电路板是用一个2.5V的LDO给电位器供电，估计稚晖君也是借鉴了其思路，当然了，你直接VREF连电位器然后改下程序应该也可以，不过一般来讲3.3V上会有波动，可能会造成ADC采样不稳，反映到舵机上就是会产生抖舵问题，不如单独给电位器安排一个稳压源 |
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但是波动不是可以用电容解决吗？ |
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可以，但从稳定性上来讲，还是单独给电位器一个稳压源更好一点 |
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好吧谢了😁 |
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我看见 ServoDrive 里面 U2 负责给电位器输出 VREF ，为什么不可以直接连 3V3?
求教🙏🙏
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