Why need putting the ESP32 displays into "upload mode" with the BOOT and RESET button?

ElecrowElecrow
edited February 29 in ESP32 & Lora

2024/01/02 Updated:

The v2 version of hardware no longer requires manual entry into burning mode

Please refer to

https://forum.elecrow.com/index.php?p=/discussion/672/esp32-display-update-history/p1?new=1


Original answer:

Due to the limited GPIO interface resources of the ESP32 board, there is no redundant GPIO port to realize the function of automatically entering the programming mode. Therefore, every time a program needs to be downloaded to the ESP32 board, the user has to enter programming mode manually:

Method 1: After connecting the ESP32 display to PC, press and hold the BOOT button, and then press the RESET button.

Method 2: Press and hold the BOOT button with one hand, and connect the USB cable to the computer with the other hand.



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