Meshtastic Heltec V4 OLED Solar Powered LoRa 32 Dev-Board GPS ESP32 SX1262 WiFi BLE Low Power With Big Antenna For Arduino IoT

Features:

1. Features a PC cast material screen protector for durability and impact resistance.

2. USB Type-C interface integrates multiple protections for safety and reliability.

3. Supports Wi-Fi, BLE, and LoRa triple-mode communication for flexible connectivity.

4. LoRa transmit power up to 28±1dBm for longer range coverage.

5. Added solar charging and GNSS interfaces for enhanced expandability.

Product Introduction:

The WiFi LoRa 32 V4 is a completely 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 builds upon the powerful features of its predecessors, with comprehensive optimizations in transmit power, power management, expandability, and other hardware designs. 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.

Performance Characteristics:

Based on ESP32-S3R2 and SX-1262, supporting Wi-Fi b/g/n, BLE, and LoRa communication.

2MB PSRAM and 16MB external flash memory, more suitable for UI and complex systems.

High-power version, LoRa transmit power increased to 28±1dBm.

Dimensions and pinout are compatible with WiFi LoRa 32 V3.

PC casing protects the screen, integrated FPC 2.4G antenna.

Added SH1.25-2P solar panel interface.

Optimized lithium battery management.

Added SH1.25-8Pin GNSS interface.

USB Type-C interface, integrated voltage regulation, ESD protection, short-circuit protection, and RF isolation design; low power consumption of less than 20μA. Specifications:

Main Control Chip: ESP32-S3R2

LoRa Chip: SX-1262

Frequency: 863~928 MHz

Maximum Transmit Power: 21±1dBm, 28±1dBm

Maximum Receive Sensitivity: -137 dBm

Wi-Fi: 802.11 b/g/n, up to 150Mbps

Bluetooth: Bluetooth LE, Bluetooth 5, Bluetooth Mesh

OLED: SSD1315 (0.96 inch, 128*64 resolution)

Power Supply: 5V@USB/Solar, 3.3-4.2V@Battery

Hardware 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; 2MB PSRAM

Interfaces: USB Type-C; SH1.25-2P Lithium Battery Connector; SH1.25-2P Solar Panel Connector; 2*IPEX1.0 ANT (LoRa and 2.4G); 2*18*2.54 pin headers, 2*2*2.54 pin headers

Operating Temperature: -40~85℃ (OLED operating temperature: -40~70℃)

Dimensions: 51.7*25.4*10.7mm

Application Scenarios:

Environmental Sensors

Industrial Internet of Things

Asset Tracking

Remote Meter Reading

Smart Agriculture

Wireless Alarm Systems

Innovative Projects and Maker Applications

Product List:

1X Development Board

1X Antenna

2X Terminal Wires

4X Pin Headers

1X GPS Module (Optional)