Hi @ESP_Sprite, Tried with R48 as 0 ohms but still couldn't get any bootup messages on the Serial Monitor after pressing reset. On checking the VCC and GND pins of this Esp32 microcontroller, we obtained 3.3V and 0V respectively. Doesn't look like the GPIO15 is grounded in our case. What else could ...

Hi @ESP_Sprite, answering your query regarding the dry joint , we eliminated that possibility by resoldering that particular ESP32-WROOM-32D microcontroller on a working device, but the firmware couldn't get burned into it. As suggested by you, on pressing reset without the IO0 pulled down, the Seri...

Development Kit: [ESP32-DevKitC] Module or chip used: [ESP32-WROOM-32D] Operating System: [Windows] Using an IDE?: [Yes.Visual Studio Code] Extensions used in Visual Studio Code: Platformio IDE V1.10.0, C/C++ V1.4.0 Power Supply: [external 5V] Hello, We are facing issues while burning the Firmware i...

Module or chip used: ESP32-WROOM-32D Operating System: Windows Using an IDE: Visual Studio Code Extensions used in Visual Studio Code: Platformio IDE V1.10.0, C/C++ V1.4.0 Power Supply: external 5V Elaborating the issue a bit. I have attached a small sketch below which shows how the data is written ...