WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, Li-Po battery management system and 0.96 OLED. It’s the best choice for smart cities, smart farms, smart home, and IoT makers. Main Features Microprocessor: ESP32(dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278. Micro 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 basic low-power design(sleep current ≤ 800uA). Specifications Parameters Description Master Chip ESP32 (240MHz Tensilica LX6 dual-core+1 ULP, 600 DMIPS) LoRa Node Chip SX1276/SX1278 USB to Serial Chip CP2102 Frequency 470~510MHz,863~923MHz Max. TX Power 19±1dBm Receiving sensitivity -135dBm Wi-Fi 802.11 b/g/n, up to 150Mbps Bluetooth Bluetooth V4.2 BR/EDR and Bluetooth LE specification Hardware Resource 22*GPIO;3*UART;2*I2C;2*SPI; Memory 520KB internal SRAM;8MB Spi Flash Interface Micro USB x 1;LoRa ANT(IPEX1.0);2*18*2.54 Header Pin Battery 3.7V lithium (SH1.25 x 2 socket) Operating Temperature -20 ~ 70 ℃ Dimensions 51 * 25.5* 10.6 mm Description Pin Map Docs & Resource [Resource] — Heltec ESP (ESP32&ESP8266) framework (Include LoRaWAN library) [Attachment] — Heltec ESP32 special library [Resource] — Hardware Update Logs [Attachment] — Schematic diagram [Attachment] — Datasheet [Resource] — User manual and related documents [Resource] — Downloadable Resources Packing list The default packing list without selecting any accessories is as follows: Item Quantity WiFi LoRa 32 (V2) x1 LoRa Antenna x1 SH1.25×2 Battery Connector x1
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