HS7757 Heltec ESP32 LoRa V3 868MHz 915MHz Development Board
Features:
- Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).
- 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).
- Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved (U.FL) interface for LoRa use.
- Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
- Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
- Support the Arduino development environment.
- We provide ESP32 + LoRaWAN protocol Arduino® library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. To make this code run, a unique license is needed.
- With good RF circuit design and low-power design.
U.FL to SMA Connector Antenna 868MHz for Lora Board Lora32u4 II Wifi Lora32 10cm
Description:
Connector type: U.FL
Band definition: 868MHz
Standing wave ratio: <= 1.5
Gain: 2dBi
Maximum power: 10W
Input impedance: 50Ω
