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Used to convert from Usb type a to micro Usb
The GVS output power supply can be 5V or 3
LM317 can be used as a precision current regulator
64-bit CPU and 8M in-built SRAM
The module also includes an I2C header with 10K pullup resistors and so only requires two data pins (SDA & SCL) to control the module
SX1278 LoRa Module Plier Used to convert from UsbIntroduction : Modulation Technology: LoRa Spread Spectrum RF Power Output: Constant at +20dBm (100mW) Sensitivity: Down to 148dBm Communication: Half duplex SPI Programmable Bit Rates: Up to 300kbps Modulation Modes Supported: FSK, GFSK, MSK, GMSK, LoRa and OOK RSSI Dynamic Range: 127dB Features: Automatic RF signal detection, CAD mode, high speed AFC Packet Engine: CRC up to 256 bytes