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This tutorial is intended to give you my way of uploading the code to the board

Show the installed arduino-cli version.

    arduino-cli version

Initialize a default arduino-cli config

arduino-cli config init

Add the ESP32 board manager URL

arduino-cli config add board_manager.additional_urls https://espressif.github.io/arduino-esp32/package_esp32_index.json

Update the local cores index

arduino-cli core update-index

Install the ESP32 Arduino core

arduino-cli core install esp32:esp32

Install the SimpleDHT library required by the sketch

arduino-cli lib install "SimpleDHT"

List connected boards and available serial ports

arduino-cli board list

Compile WakeDHT.ino for LoLin S2 Mini with specific partition and upload size

arduino-cli compile --fqbn esp32:esp32:lolin_s2_mini --build-property "build.partitions=default" --build-property "upload.maximum_size=1048576" WakeDHT.ino

Upload the compiled sketch (replace with your serial port, e.g., COM3 or /dev/ttyUSB0)

arduino-cli upload --fqbn esp32:esp32:lolin_s2_mini --port <PORT> WakeDHT.ino

Create a SPIFFS image from the data folder

mkspiffs -c data -b 4096 -p 256 -s 0x160000 spiffs.bin

Flash the SPIFFS image to the device (replace with your device port)

esptool.py --chip esp32s2 --port <PORT> --baud 921600 --before default_reset --after hard_reset write_flash -z 0x290000 spiffs.bin