Main Features

• Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).
• Latest 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, BlE(Bluetooth low-energy) three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa (902-928 Mhz)
• 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.

Please don’t imagine its length and size, we have indicated