LILYGO TTGO T-Beam ESP32 433/868/915/923Mhz V1.1 WiFi Wireless bluetooth Modu... (FREQUENCY: 915MHZ)
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Product details
Condition
New
Location
International
Bob Shop ID
615113682
SELECTED OPTION:
FREQUENCY: 915MHZ
Product Upgrade Content:
1. Pin GPIO34 pin is replaced with GPIO35 2. Replace the charging IC (TP5400) with the power management AXP192 3. GPS TX, RX pin replacement 4. Power on and remove, replace with button to open 5. Reduced sleep current 6. GPS battery replacement
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 , 51 series, MSP430 series,STM32/2, 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
ESP32 Features:
Lastest ESP32 Version: REV1 WIFI bluetooth? 4MB PSRAM 4MB Flash 3D Antenna
LORA Features:
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 Operatinga??temperature: -40a??- +85a?? 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: -SoftRF V4.0
Package includes:
1 x TTGO T-Beam ESP32 1 x ?Antenna 1 x ?0.96 inch 128X64 ?OLED 2 x ?Pin
