EC Buying ESP32 Wireless Stick Development Board LoRa Module SX1262 LoRaWAN BLE 863~928 WiFi LoRa Bluetooth-Compatible 0.49" OLED Display for Arduino

Parameters Master Chip: ESP32-S3FN8 (Xtensa32-bit lx7 dual-core processor) LoRa Chipset: SX1262 USB to Serial Chip: CP2102 Frequency: 863~928 MHz Max. TX Power: 21 ± 1 dBm Max. Receiving sensitivity: -139 dBm Wi-Fi: 802.11 b/g/n, up to 150Mbps Bluetooth: Bluetooth LE: Bluetooth 5, Bluetooth mesh Display: 0.49-inch OLED Hardware Resource: 7*ADC1 + 2*ADC2; 7*Touch; 3*UART; 2*I2C; 2*SPI; etc Memory: 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash Interface: Type-C USB; 2*1.25 lithium battery interface; LoRa ANT(IPEX1.0); 2*17*2.54 Header Pin Battery: 3.7V lithium battery power supply and charging Operating temperature: -20? ~ 70 ? Dimensions: 58.08 * 22.6* 8.2 mm Power Supply Type-C USB(?500mA): 4.7V ~ 6 V (Typical 5V) Lithium battery(?250mA): 3.3V ~ 4.2 V (Typical 3.7V) 5V pin(?500mA): 4.7V ~ 6 V (Typical 5V) 3V3 pin(?150mA)? 2.7V ~ 3.5 V (Typical 3.3V) Power output 3.3V Pin: 500 mA 5V Pin (USB Powered only): 500 mA Vext Pin: 350 mA