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GPS Reset firmware

  • If the GPS is set to unknown parameters by mistake, causing the GPS to fail to operate normally, you can try to reset the GPS firmware.

  • T-Beam V1.x version record Video

  • T-Beam Supreme GPS record Video

    name firmware
    TBEAM_V1X_NMEA_RESET.bin firmware
    TBEAM_V3.0_NMEA_RESET.bin firmware

  • If the above two firmwares cannot make the GPS work properly, you can try the following two firmwares. Note that the two firmwares TBEAM_V1X_NMEA_RESET and TBEAM_V3.0_NMEA_RESET are used first to reset the GPS.

    name firmware
    GPS_ reset.bin* firmware
    GPS_BasicNMEARead.bin* firmware

How to Flash ?

Before burning firmware, please put the board into download mode and follow the steps below

  1. Connect the board via the USB cable
  2. Press and hold the BOOT button , While still pressing the BOOT button (If there is no BOOT button, you need to use wires to connect GND and IO0 together.)
  3. Press RST button
  4. Release the RST button
  5. Release the BOOT button (If there is no BOOT button, disconnect IO0 from GND.)
  6. Upload sketch
  7. Press the RST button to exit download mode

Use ESP Download Tool

web_flasher

  • Note that after writing is completed, you need to press RST to reset.

Use Web Flasher

web_flasher

  • Note that after writing is completed, you need to press RST to reset.

Use command line

If system asks about install Developer Tools, do it.

python3 -m pip install --upgrade pip
python3 -m pip install esptool

In order to launch esptool.py, exec directly with this:

python3 -m esptool

For ESP32 use the following command to write

esptool --chip esp32  --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m 0x0 firmware.bin

For ESP32-S3 use the following command to write

esptool --chip esp32s3  --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m 0x0 firmware.bin

How to check GPS data ?

  1. Download u-center2
  2. Check the GPS data according to the guide below