ESP32 Not Installin...
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[Solved] ESP32 Not Installing firmware

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Joined: 1 month ago
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So far, I have hooked up a MEGA and have it working great. Then I bought these:

I am unable to install any firmware due to "Failed to connect to ESP32: Timed out waiting for packet header". I have tried each of the two ESP32 units and neither work. They're hooked up to my computer via USB and I'm trying to install over serial. 
Are these not what I think they are? Or any thoughts on why they are not communicating/receiving firmware? 

Additional details (I'm new to this, I don't know what is relevant): I was able to add a driver, and the driver is "Silicon Labs CP210x USB to UART Bridge"



This topic was modified 1 month ago by artie17

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Joined: 5 years ago
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Try pushing the boot button (right side when USB port is pointed toward you). It will then begin to accept the download.

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