Specifications MCU ESP32 S3FN16R8 dual core LX7 microprocessorWireless communication protocol 2 4 GHz Wi Fibluetooth 5 LE Supported development environment Arduinno PlatformIO IDE MicropythonFlash 16MBPSRAM 8MBBattery ADC detection pin IO04Onboard functionsFunctional modules GPS TF card microphone speaker keyboardDisplay Parameters Screen 2 8 inch ST7789 SPI protocol IPS LCDResolution 320 x 240Viewing angle full view screenLoRa Parameters Chip model SX1262 LoRa low power transceiverTransmit power 22dBmFrequency options 433 868 915MhzPackage Include Inner Antenna 1x Development BoardExternal Antenna 1x Development Board1x Antenna