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板子上电后D6，D1逐渐熄灭，主芯片U1发烫，板子是不是烧坏了？
检查芯片对地有没有短路，估计烧坏了。
Eric
谢谢，带电情况下，我将一个电池板插在Launch Pad上面，这样对Launch Pad有影响吗？
