<p>Microprocessor: ESP32-S3FN8 (32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz) SX1262 LoRa node chip.</p> <p>Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.</p> <p>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).</p> <p>Integrated WiFi, LoRa, Blue-tooth three network connections, onboard WiFi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved (U.FL) interface for LoRa use.</p> <p>Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.</p> <p>Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.</p> <p>Support the for development environment.</p> <p>We provide ESP32 + LoRaWAN protocol for library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. To make this code run, a license is needed.</p> <p>With good RF circuit design and low-power design.</p> <p>Colour:As Shown</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * development board</p> <p>1 * shell</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>