Description
Product Upgrade Content: 1. Pin GPIO34 pin is replaced with GPIO352. Replace the charging IC (TP5400) with the power management AXP1923. GPS TX, RX pin replacement4. Power on and remove, replace with button to open5. Reduced sleep current6. GPS battery replacementESP32 -Lastest ESP32 Version: REV1-WIFI-bluetooth -4MB Flash-4MB PSRAM-3D Antenna LORA Product Description Working voltage: 1.8~3.7VAcceptable current: 10~14mATransmit current: 120mA@+20dBm 90mA@+17dBm 29mA@+13dBmOperating frequency: 433/470MHz(433HMz version) /868M/915M(868MHz version) (Optional)Transmit power: +20dBmReceive sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps-136dBm@LoRa &125Khz&SF=12&293bps-118dBm@LoRa &125Khz&SF=6&9380bps-123dBm@FSK&5Khz&1.2KbpsFrequency error: +/-15KHzFIFO space: 64ByteData rate: 1.2K~300Kbps@FSK 0.018K~37.5Kbps@LoRa Modulation Mode: FSK,GFSK,MSK,GMSK,LoRa TM, OOKInterface form: SPISleep current: 0.2uA@SLEEP 1.5uA@IDLEOperating?temperature: -40?- +85?Digital RSSI functionAutomatic frequency correctionAutomatic gain control RF wake-up functionLow voltage detection and temperature sensorFast wake-up and frequency hoppingHighly configurable data packet handler GPS GPS modules NEO-M8N, 3V-5V power supply UniversalDestined module with ceramic antenna, signal superSave the configuration parameter data EEPROM DownWith data backup batteryThere are LED signal indicatorDefault Baud Rate: 9600 Power IP53062A Battery ManagementLED indicator: There are 4 LEDs show the battery status in real time.Power button: Click one time will start. Fast click 2 times will shut down.
Note:
This product does not include the battery.
More details: https://github.com/LilyGO/TTGO-T-BeamSD card test program: https://github.com/LilyGO/TTGO-SD-test Package includes:
1 x WiFi Wireless bluetooth Module
1 x Antenna2 x PinNote: The sensor board and screen is not includes.
