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According to the hardware schematic, there are 2 leds on this board, one that indicated battery charging and the second connected to IO11
try as i might, I cannot seem to switch off the second LED programatically.
In theory, all that is required is:
pinMode(11, OUTPUT);
digitalWrite(11, LOW);
but unfortunately noting happens.
Can you give any advice as to where I may be going wrong ?
1】 Install ESP-IDF 5.0 CMD
Open https://dl.espressif.com/dl/esp-idf/ , download esp-idf-tools-setup-offline-5.0.4
2】Open ESP-IDF 5.0 CMD, Using commands espefuse.py -p COM* burn_efuse VDD_SPI_AS_GPIO 1
Change the * symbol to the corresponding serial port number.
After making the changes, press enter.
3】Write BURN into the command box and press enter
Wait, just wait for this to appear
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Did you try driving it HIGH? The LED is probably connected to 3.3v on the other end, not GND.
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