LILYGO® TTGO Meshtastic T-Beam V1.1 ESP32 433/868 Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA

LILYGO® TTGO Meshtastic T-Beam V1.1 ESP32 433/868/915/923Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder With OLED

Product Demonstration（Note:OLED is not soldered to T-BEAM）

Product Features

ESP32

Lastest ESP32 Version: REV1

WIFI

bluetooth 

4MB PSRAM

4MB Flash

3D Antenna

LORA

Product Description

Working voltage: 1.8~3.7v

Acceptable current：10~14mA

Transmit current: 120mA@+20dBm

                               90mA@+17dBm

                               29mA@+13dBm

Operating frequency: 433/470MHz(433HMz version) /868M/915M(868MHz version)

Transmit power: +20dBm

Receive sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps

-136dBm@LoRa &125Khz&SF=12&293bps

-118dBm@LoRa &125Khz&SF=6&9380bps

-123dBm@FSK&5Khz&1.2Kbps

Frequency error：+/-15KHz

FIFO space ：64Byte

Data rate ：1.2K~300Kbps@FSK

                   0.018K~37.5Kbps@LoRa        

Modulation Mode ：FSK,GFSK,MSK,GMSK,LoRa TM，OOK

Interface form ：SPI

Sleep current ：0.2uA@SLEEP

                           1.5uA@IDLE

Operating temperature ：-40℃- +85℃

Digital RSSI function

Automatic frequency correction

Automatic gain control 

Low voltage detection 

Fast wake-up and frequency hopping

Highly configurable data packet handler

GPS

GPS modules NEO-6M, 3V-5V power supply Universal

Destined module with ceramic antenna, signal super

Save the configuration parameter data EEPROM Down

With data backup battery

There are LED signal indicator

Default Baud Rate: 9600

Power

TP5400

1A Battery Management

LED indicator: There are 4 LEDs show the battery status in real-time.

USB

CP2104-GMR

Pre-Flash Firmware

OLED Description:

1.Size:  0.96 inch

2.High resolution: 128 * 64

3.Color:  white

4.Viewing angle:  > 160 °

5.Driver IC:  SSD1306

6.Working temperature:  -30  celcius ~ 80  celcius

7.Module volume (generous):  27.0MM * 27.0MM * 4.1MM

8.Supports many control chip:  Fully compatible with Arduino, 51 series, MSP430 series,STM32/2, CSR chip, etc.  (a lot of routines for reference)

9.Wide voltage support: without any modification, directly supports 3.3V ~ 5V DC

10.Ultra-low power consumption: Normal operation Is 0.04W

11.IO port occupies minimal display: The IIC communication,as long as the two IO ports

More information:

https://github.com/geeksville/Meshtastic-Android/blob/master/README.md

https://github.com/meshtastic/Meshtastic-device/releases 

Pin Schematic

Size picture

Shipping List

433MHz/868MHz Version

1 X TTGO T-Beam 

1 X 433MHz/868MHz Antenna      

1 X 0.96 inch 128X64  OLED

2 X Pin 

Note: OLED is not soldered to T-BEAM