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by bartvk
1814 days ago
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The pinout of that ESP32 board says 3.3V but the author feeds 5V into it. But apparently it works :) Something else I didn't quite understand: they write "NodeMCU ESP32 which is a small IoT device with a USB port and is programmable in ESPHome". Does that mean that the little board itself does not need to be flashed? That, out of the box, it's controllable/programmable in ESPHome, which is webbased? Looks like a fun little project, all in all. Kudos for documenting and sharing it! |
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He is using a dev-board with a USB jack and an integrated step-down converter. The ESP32 is not 5V tolerant at all, the pinout diagram is for the pads on the ESP32 module, not the whole board.