Name: LoRa Wifi ESP32 Heltec V4 Board
SKU: 16638
Price: 12500.00 ETB
Availability: InStock

LoRa Wifi ESP32 Heltec V4 Board

Br 12,500.00

The Heltec WiFi LoRa 32 V4 is a high-performance ESP32-S3 based development board specifically optimized for long-range communication projects like Meshtastic and LoRaWAN. Compared to previous versions, the V4 features significantly higher transmission power and dedicated hardware support for external GNSS (GPS) modules
Main Controller Chip: ESP32-S3R2
LoRa Chip: SX-1262
Frequency: 433~510 MHz, 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 from USB/Solar or 3.3–4.2V from a Battery
Hardware Resources: 7x ADC1 + 2x ADC2, 7x Touch, 3x UART, 2x I2C, 2x I2S, 4x SPI, etc.
Storage: 384KB ROM; 512KB SRAM; 16KB RTC-SRAM; 16MB Flash; 2MB PSRAM
Dimensions: 51.7*25.4*10.7mm
Operating Temperature: -40~85°C (OLED operating temperature: -40~70°C)

Interfaces:

Heltec V4 LoRa Wifi ESP32 Bluetooth Development Board + IPX Antenna + GPS Module
WiFi LoRa 32 V4 represents a comprehensive upgrade to the classic LoRa development board. Since its launch, this product series has been highly favored by developers and manufacturers. Building upon the robust capabilities of its predecessors, the V4 version delivers comprehensive optimizations in transmission power, power management, expandability, and other hardware designs. It caters to diverse IoT applications including smart cities, agricultural monitoring, smart homes, industrial control, security systems, and wireless meter reading, offering developers a more efficient and flexible development experience.
Based on ESP32-S3R2 and SX-1262, supporting Wi-Fi b/g/n, BLE, and LoRa communication.
2MB PSRAM and 16MB external flash memory, better suited for UI and complex systems.
High-power version with LoRa transmit power increased to 28±1dBm.
Form factor and pinout compatible with WiFi LoRa 32 V3.
PC case protects the screen, integrated FPC 2.4G antenna.
New SH1.25-2P solar panel interface.
Optimized lithium battery management.
New SH1.25-8Pin GNSS interface.
USB Type-C port with integrated voltage regulation, ESD protection, short-circuit protection, and RF isolation design; low power consumption under 20μA.