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LILYGO® TTGO Meshtastic T-Beam V1.2
Specifications
- MCU: ESP32
- Flash: 4MB
- PSRAM: 8MB
- Serial Chip: CH9102
- Wireless protocol: Wi-Fi + Bluetooth 4.2
- PMU: AXP2101
- Onboard functions: 3 buttons (Power+IO38+Reset)
Antenna
- 3D WiFi Antenna (Use by default)
- Support WiFi IPEX external antenna, but you need to jump resistance
- LoRa antenna
- GPS ceramic antenna
GPS
- NE0-6M GPS Modules: Support GPS protocol
- Onboard RTC crystal, Support interrupt/ wakeup
LoRa
- Long Range Low Power LoRa Transceiver
- High sensitivity: -i48dBm
- Transceive rate: 300 kbps
- Optional Hardware
- Version: SX1278 (433Mhz) / SX1276 (868/915/923Mhz)
Display
- OLED: 0.96 inch
- Driver: SSD1306
Software
- Meshtastic
Power supply mode
- Support USB Micro/ 18650 battery holder (USB can power the battery)
Fysical buttons
Power button (left)
- Long press: powers the device on or off
User / Program button (middle)
- Long press: Will signal the device to shutdown after 5 seconds
- Single press: Changes the information page displayed on the device's screen
- Double press: Sends an adhoc ping of the device's position to the network
- Trible press: Disables the device's GPS. Repeat to re-enable (This will be indicated on both information screen pages on the devide's display as shown below)
Reset button (right)
- Long press: powers the device on or off