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建议：可以直接从主板上取3.3v电 #5

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zhujunsan opened this issue Jul 12, 2020 · 0 comments

zhujunsan commented Jul 12, 2020

主板图如下：

3.3v 的测试点似乎是位于主板上 5v 到 3.3v 变压的后面，所以直接取电就可以了，这样的话直接用 ESP01 或是其他 esp 模块直接 vcc 上电就行了，不用再有降压电路，会整洁一些

唯一不确定的是电流承载能力如何（但估计也就加个 80mA 应该问题不大吧：）

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