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366	366
367	367	The project can be found at [[this link>>url:https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main/Example/P2P]].
368	368
369		-== 5.1 Firmware Flashing ==
	369	+== 5.1 firmware flashing approach. ==
370	370
	371	+5.1.1 Download this project
371	371
372		-The following software tools are required to flash firmware to the ESP32 and LA66.
	373	+5.1.2 Download esp32 firmware flash tool in [[this link>>https://docs.espressif.com/projects/esp-test-tools/en/latest/esp32/production_stage/tools/flash_download_tool.html]].
373	373
374		-* Download the ESP32 firmware flash tool from [[this link>>https://docs.espressif.com/projects/esp-test-tools/en/latest/esp32/production_stage/tools/flash_download_tool.html]].
375		-* Download the LA66 firmware flash tool from [[this link>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&e=1&dl=0]].
	375	+5.1.3 Download la66 firmware flash tool in [[this link>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&e=1&dl=0]].
376	376
	377	+5.1.4 Upload firmware to esp32
377	377
378		-=== 5.1.1 Upload the Firmware to the ESP32 ===
	379	+Open flash_download_tool.exe, and then follow the steps below.
379	379
380		-Open //**flash_download_tool.exe**// and follow the steps below.
381		-
382		-* **Chip Type**: ESP32-S3
383		-* **WorkMode**: Develop
384		-* **LoadMode**: UART
385		-* Click on the **OK** button.
386		-
387	387	[[image:1738893226894-758.png||height="170" width="176"]]
388	388
389		-
390		-In the **SPIDownload** tab,
391		-
392		-* Select the checkboxes for //bootloader.bin, partition-table.bin, ota_data_initial.bin//, and //project.bin//.
393		-* SPI Flashing Config:
394		-** **SPI SPEED**: 40MHz
395		-** **SPI MODE**: DIO
396		-** Check **DoNotChgBin** option.
397		-* **COM**: Select the correct COM port.
398		-* **BAUD**: 1152000
399		-* Click on the **START** button.
400		-
401		-
402	402	[[image:image-20250207100150-7.png||height="476" width="538"]]
403	403
	385	+5.1.5 Upload firmware to la66
404	404
405		-The progress bar will indicate the firmware update progress and display a **FINISH** message once the update is complete.
	387	+Open Dragino_Sensor_Manager_Utility.exe, and then follow the steps below.
406	406
407		-
408		-=== 5.1.2 Upload the Firmware to the LA66 ===
409		-
410		-Open **Dragino_Sensor_Manager_Utility.exe**, and then follow the steps below.
411		-
412		-* Click on the UART Update Firmware tab.
413		-* Select the correct COM port.
414		-* Click on the Upload_File button and select the DRAGINO-LRWAN-AT.bin file.
415		-* Click on the Start button.
416		-
417	417	[[image:image-20250207101415-8.png||height="522" width="618"]]
418	418
419		-
420	420	[[image:image-20250207101515-9.png||height="522" width="618"]]
421	421
422		-
423		-(% class="wikigeneratedid" %)
424		-The progress bar will indicate the firmware update progress.
425		-
426		-
427	427	== 5.2 AT command and LTS5 panel data format ==
428	428
429	429	AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**01**A4CBBB0A8E085C02,0,3