LILYGO Meshtastic T-Beam V1.2 ESP32 LoRa GPS Wifi Bluetooth Development Board 868Mhz OLED CH9102F

LILYGO Meshtastic T-Beam V1.2 ESP32 LoRa GPS Wifi Bluetooth Development Board 868Mhz OLED CH9102F

Version Introduction:
- Version: T-BEAM V1.2 Meshtastic
- Serial chip: CH9102F
- Optional firmware: Meshtastic 433Mhz, 868Mhz, 915Mhz and 923Mhz
- Positioning module: NEO-6M GPS; Support GPS
- Optional LoRa module: SX1278/SX1276
- Antenna base type: SMA holder
- Transmission power: +14dBm
- Transmitting power consumption: 120mA
- Receiving power consumption: 9.9mA
- Programmable bit rate: 300kbps

NEO-6M GPS Module:
- Module properties: For U-blox 6 GPS
- Support positioning system: GPS
- Parallelism is supported: No
- GPS maximum update frequency: 5Hz
- Crystal oscillator: Standard crystal oscillator

Product Code:
https://github.com/geeksville/Meshtastic-Android/blob/master/README.md
https://github.com/meshtastic/Meshtastic-device/releases
 
Features:
- ESP32
- Latest ESP32 version: Rev1
- WiFi
- Bluetooth
- 4MB pSRAM
- 4MB flash memory
- Three-dimensional antenna
- LoRa

Specifications:
- Working voltage: 1.8~3.7V
- Acceptable current: 10~14 mA
- Transmit current: 120 mA at +20 dBm, 90 mA at +17 dBm and 29 mA at +13 dBm
- Optional operating frequency: 433Mhz (SX1278), 868/915/923MHz (SX1276)
- Transmit power: +20 dBm
- Receiver sensitivity: -139 dBm at Lora&62.5Khz&SF=12&146 bps, -136 dBm at Lora&125 Khz&SF=12&293 bps, -118 dBm at Lora&125 Khz&SF=6&9380 bps and -123 dBm at FSK&5 Khz&1.2Kbps
- Frequency error: +/-15 kHz
- FIFO space: 64 bytes
- Data rate: 1.2k~300 Kbps at FSK; 0.018K~37.5Kbps at Lora
- Modulation: FSK, GFSK, MSK, GMSK, Lora TM, OOK
- Interface form: SPI
- Sleep Current: 0.2uA at sleep; 1.5uA at idle
- Operating temperature: -40°C to +85°C
- Numeric RSSI function
- Automatic frequency correction
- Automatic gain control
- Low pressure detection
- Fast wake-up and frequency hopping
- Highly configurable packet handlers

GPS:
- GPS module NEO-6M supports 3V-5V power supply
- Predetermined module with ceramic antenna and super signal
- Save the configuration parameter data EEPROM
- LED signal indicator
- Default baud rate: 9600

Power:
- TP 5400
- LED Indicator: 4 LEDs display battery status in real time
- USB
- CP 2104-GMR
- Pre-flash firmware

OLED:
1. Size: 0.96 inches
2. High resolution: 128*64
3. Color: White
4. Viewing angle: > 160°
5. Driver IC: SSD 1306
6. Working temperature: -30°C to 80°C
7. Module size: 27.0MM*27.0MM*4.1mm
8. Supported control chips: fully compatible with Ar-duino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (a large number of examples are available for reference)
9. Wide voltage support: without any modification, it directly supports 3.3V~5V DC power supply
10. Ultra-low power consumption: 0.04W normal operation
11. IO port occupies the least display: IIC communication, only two IO ports

Package Included:
- 1 x Development board
- 1 x Antenna
- 2 x Pin headers
- 1 x OLED screen

Note:
- OLED is not soldered to T-Beam.
- Battery is not included in the package.