Main Features
Microprocessor: ESP32-S3FN8 (Xtensa庐 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).
SX1262 LoRa node chip.
Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use.
Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
Support the Arduino development environment.
With good RF circuit design and low-power design.