![]() ![]() Onboard 0.96-inch 128*64 dot matrix OLED display, which 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 3D antenna, reserved IPEX (U.FL) interface for LoRa use.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).Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278.How to Install Heltec ESP32 (ESP32, ESP8266) Arduino Development Environment.Orders (preorder), Shipping, Returns & Warranty.E-Ink Display Module Acrylic protect Surface.Heltec Customized Hoody-limited Edition.
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