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README.MD

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🌟LilyGo T-ECHO🌟

Burning bootloader

Use j-Link Flash

  1. If you have downloaded j-Link Flash, you can skip this step. Otherwise, you need to download J-Link Flash
  2. You need to use the SWD interface to connect to the board as shown
  3. Open J-Flash Lite and select NRF52840_XXAA on the device.The diagram below.
  4. Erase the chip, and then burn boatload. The diagram below.

Use Arduino IDE

  1. You need to refer toUsing Arduino IDE.
  2. You need to useLilyGO-T-Echo/bootloader/lilygo_techo_bootloader-0.5.0_s140_6.1.1. HexReplace Arduino\hardware\Adafruit\Adafruit_nRF52_Arduino\bootloader\ pCA10056.
  3. Please reference.