LILYGO® TTGO Meshtastic T-Beam V1.2 esp32 lora entwicklungs board 1,2 mhz 433mhz 868mhz 915mhz wifi ble gps oled display axp2101

LILYGO® TTGO Meshtastic T-Beam V1.2 esp32 lora entwicklungs board 1,2 mhz 433mhz 868mhz 915mhz wifi ble gps oled display axp2101

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