LoRa WiFi Bluetooth GPS Development Board with OLED Screen

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Description (from PDP, plain text)

BeamV1.2 MCU32 433/868/915/923 Mhz WiFi Bluetooth MCU 32 GPSneo-6m SMA 18650 battery holder 1.Structure diagram 2.Pin diagram 3.Product Description Working voltage: 1.8~3.7V Acceptable current: 10~14 mA Transmitting current: 120 mA@+20 dBm 90 mA@+17 dBm 29 mA@+13 dBm Working frequency: 433/470 MHz (433 HMz version) (SX1278)/868m/915 m (868 MHz version) (SX1276) Transmitting power: +20 dBm Receiving sensitivity: -139 dBm@Lora&62.5Khz&SF=12&146 bps -136 dBm@Lora&125 Khz&SF=12&293 bps -118 dBm@Lora&125 Khz&SF=6&9380 bps -123 dBm@FSK&5 Khz&1.2Kbps Frequency error: +/-15 kHz FIFO space: 64 bytes Data rate: 1.2k~300 Kbps@FSK 0.018K~37.5Kbps@Lora Modulation method: FSK, GFSK, MSK, GMSK, Lora TM, OOK Interface form: SPI Sleep current: 0.2uA@睡 1.5uA@idle Working temperature: -40℃-+85℃ Digital RSSI function Automatic frequency correction Automatic gain control Low pressure detection Fast wake-up and frequency hopping Highly configurable packet handler Global Positioning System GPS module neo-6m, 3v-5v power supply universal Pre-defined module with ceramic antenna, super signal Save configuration parameter data EEPROM With data backup battery With LED signal indicator Default baud rate: 9600 power TP 5400 1A battery management LED indicator: There are 4 LEDs to display the battery status in real time. USB CP 2104-GMR Pre-Flash firmware 4.OLED description: 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℃~80℃ 7. Module size (generous): 27.0MM*27.0MM*4.1mm 8. Support multiple control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (A large number of routines are available for reference) Wide voltage support: Directly support 3.3V~5V DC power supply without any modification 10. Ultra-low power consumption: 0.04W in normal operation 11. IO port occupies the smallest display: IIC communication, as long as two IO ports

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