• ESP32-S3FN8+SX1262+UC6580 Chipset, supports Wi-Fi, LoRa, Bluetooth, GNSS.
• Low power design of dual-frequency multi-system based on 22nm technology.
• Supports L1 + L5/L2, supports GPS, GLONASS, BDS, Galileo, NAVIC, QZSS multi-system joint positioning.
• Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
• Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
• Onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa and GNSS use.
• Onboard 0.96-inch 160*80 dot matrix LCD display, which can be used to display debugging information, battery power, and other information.
• Support the Arduino development environment.

• Flash: 8MB
• Driver: USB CDC
• Button: Reset + BOOT
• Power Supply Mode: Support USB Type C
• Battery Support: Li-Ion, Li-Po 1S

• LoRa Chip: SX1262
• Frequency: 433Mhz,863-870Mhz,902-928Mhz

• OLED Size: 0.96 inch
• High resolution: 160 * 80px
• Color: TFT Color RGB
• Driver IC: ST7735

• Download Flash tool software https://www.espressif.com/en/support/download/other-tools
• Download Firmware ESP32-S3 for LILYGO T-Beam SUPREME and HELTEC HIIT-Tracker or D.I.Y from ESP32-DevKit (ESP32S3_V02.zip) at https://github.com/nakhonthai/ESP32APRS_LoRa/releases
• Extract the file EXP32S3_V02.zip to drive, You can see file partitions.bin,bootloader.bin,boot_app0.bin,firmware.bin(TTGO_T_Beam_Supreme.bin or HELTEC_HTIT_Tracker.bin) 

• Plug the USB cable of board into the computer. (install serial driver)
• Open flash tool software (flash_download_tool_xxx.exe) show new small window and select ChipType: ESP32 ,WorkMode: Develop next click [OK].

Configure the following values. bootloader.bin 0x0000 partitions.bin 0x8000 boot_app0.bin 0xe000 HELTEC_HTIT_Tracker.bin 0x10000

• COM: Select the COMPORT you are using.(Test find port by UnPlug and Plug USB to show new comport)
• Click [START] button, wait for status bar to finish.
• Push [RESET] button on board to reboot.

• First install on reboot to automatic factory reset, You can factory reset yourself by pressing and holding the [BOOT] button while the logo is displayed.

• Set up Wi-Fi. Using a mobile phone AP mode or router access point. WiFi SSID: APRSTH Password: aprsthnetwork

• Board auto connect to mobile phone mode or router AP, You can see IP at display by click [BOOT] to next screen WiFi Info page. 

• Open browser in the mobile phone or computer, put address at your IP of board and Username: admin Password: admin

• You can log in now. You set it up according to how you use it. 

Hint: You can update new firmware next time by use firmware.bin(TTGO_T_Beam_Supreme.bin or HELTEC_HTIT_Tracker.bin) put to webservice at [About] tab in group box [Firmware Update]