LILYGOÂ TTGO T Beam v1 0 CH9102F QFN24 ESP32 LoRa 433/868/923Mhz WiFi GPS NEO 6M 18650 WiFi bluetooth Board Module for Sale with BTC on


Price : 0.0010589 BTC

Motherboard Development Board

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Product Specification

Product upgrade part:
1. The pin GPIO34 is replaced with GPIO15
2.  Replace the charging IC (TP5400) with the power management AXP192
3. Replace TX and RX pins of GPS
4. The power switch is removed and replaced with a key switch
5. Minimize sleep current
6. GPS battery replacement

Product Features:
ESP32 new version: REV1
wireless online
4MB flash
3D antenna
1A battery management
LED indicator
Pre-flashed firmware: -SoftRF V4.0
Digital RSSI function
Automatic frequency correction
Automatic gain control
RF wake-up function
Low voltage detection and temperature sensor
Fast wake-up and frequency hopping
Highly configurable packet handler
Global Positioning System
GPS module NEO-6M, universal 3V-5V power supply
Specified module with ceramic antenna, super strong signal
Save configuration parameter data EEPROM Down
With data backup battery
With LED signal indicator
Default baud rate: 9600
Working voltage: 1.8 - 3.7v
Acceptable current: 10 - 14mA
Transmitting current: 120mA @ + 20dBm, 90mA @ + 17dBm, 29mA @ + 13dBm
Working frequency: 433 / 470MHz (433HMz version) / 868M / 915M (868MHz version)
Transmitting power: + 20dBm
Receiving sensitivity:
-139dBm @ LoRa and 62.5Khz & SF = 12 and 146bps
-136dBm @ LoRa and 125Khz & SF = 12 & 293bps
-118dBm @ LoRa & 125Khz & SF = 6 & 9380bps
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
Working temperature: -40 ℃-+ 85 ℃

Package includes:

1 x TTGO T-Beam ESP32 LoRa development board with 18650 battery holder
1 x antenna
2 x header