Heltec V4 ESP32 Development Board Upgraded ESP32-S3 SX1262 LoRa Module WiFi Bluetooth 2MB with 915MHz Antenna for Meshtastic

Heltec V4 ESP32 Development Board Upgraded ESP32-S3 SX1262 LoRa Module WiFi Bluetooth 2MB with 915MHz Antenna for MeshtasticFeatures:1. The screen protection layer is made of PC casting material, which is sturdy, durable, and impact resistant.2. The USB Type-C interface integrates multiple protections, ensuring safety and reliability.3. It supports Wi Fi, BLE and LoRa the third mock examination communication, with flexible connection.4. LoRa has a transmission power of up to 28 ± 1dBm, covering longer distances.5. Added solar charging and GNSS interface, with strong scalability.Product Introduction：WiFi LoRa 32 V4 is a fully upgraded version of the classic LoRa development board. Since its launch, this product series has been highly favored by developers and manufacturers. The V4 version has undergone comprehensive optimization in terms of transmission power, power management, scalability, and other hardware design, building upon the powerful features of its predecessor. It is suitable for various IoT applications such as smart cities, agricultural monitoring, smart homes, industrial control, security systems, and wireless meter reading, providing developers with a more efficient and flexible development experience.Parameter:Based on ESP32-S3R2 and SX-1262, it supports Wi Fi b/g/n, BLE, and LoRa communication.2MB PSRAM and 16MB external flash memory are more suitable for UI and complex systems.The high-power version increases the LoRa transmission power to 28 ± 1dBm.The external dimensions and pins are compatible with WiFi LoRa 32 V3.PC shell protects the screen and integrates FPC 2.4G antenna.Add SH1.25-2P solar panel interface.Optimize lithium battery management.Added SH1.25-8Pin GNSS interface.USB Type-C interface, integrated with voltage regulation, ESD protection, short circuit protection, and RF isolation design; Low power consumption less than 20 μ A.Parameter description:Main control chip: ESP32-S3R2LoRa chip: SX-1262Frequency: 433-510 MHz, 863-928 MHzMaximum transmission power: 21 ± 1dBm, 28 ± 1dBmMaximum receiving sensitivity: -137 dBmWi-Fi ：802.11 b/g/n， Up to 150MbpsBT: BT LE, BT 5, BT meshOLED: SD1315 (0.96 inches, 128 * 64 resolution)power supply 5V@USB /Solar energy, 3.3-4.2V@BatteryHardware resources: 7 * ADC1+2 * ADC2, 7 * touch, 3 * UART, 2 * I2C, 2 * I2S, 4 * SPI, etc.Storage: 384KB ROM; 512KB SRAM； 16KB RTC-SRAM； 16MB flash memory; 2MB PSRAMInterface: USB Type-C; SH1.25-2P lithium battery interface; SH1.25-2P solar panel interface; 2 * IPEX1.0 ANT (LoRa and 2.4G); 2 * 18 * 2.54 plug pins, 2 * 2 * 2.54 plug pinsWorking temperature: -40~85 ℃ (OLED working temperature: -40~70 ℃)Size: 51.7 * 25.4 * 10.7mmApplication scenarios:environmental sensorIndustrial Internet of ThingsAsset trackingRemote meter readingSmart AgricultureWireless alarmInnovative projects and geek applicationsProduct List:1X development board1X antenna2X terminal wire4X needle arrangement1XGPS module (optional)