HELTEC WiFi LoRa 32(V3) 433-510 MHz
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Build a reliable Meshtastic node with the Heltec WiFi LoRa 32 V3 – a compact board featuring the ESP32, SX1262 LoRa module, and integrated OLED display. Perfect for setting up low-power, long-range mesh network without cellular or internet access.
To build a complete node, add a Bender Case for Heltec V3 (includes all wiring, battery holder and antenna connector).
45.52 $
In stock
Build a Powerful Meshtastic Node with the Heltec WiFi LoRa 32 V3
Set up your own off-grid communication network using the Heltec WiFi LoRa 32 V3, a compact and efficient development board designed for Meshtastic. Equipped with an ESP32 microcontroller, SX1262 LoRa radio, and a built-in OLED display, it’s the ideal choice for creating long-range, low-power mesh nodes. Whether you’re building a DIY mesh network for hiking, emergencies, or rural connectivity, the Heltec V3 makes it easy to deploy and manage Meshtastic LoRa nodes.
Designed for hobbyists, off-grid communicators, and emergency responders, the Heltec V3 is fully compatible with Meshtastic firmware, enabling secure, text-based messaging over LoRa radio without cell towers or internet access. Whether you’re hiking, biking, or building resilient communication systems, this board provides the connectivity and performance you need.
Key Features
- ESP32 dual-core processor with integrated Wi-Fi and Bluetooth
- SX1262 LoRa chip (433-510 MHz)
- 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).
- Built-in 0.96” OLED display
- Good RF circuit design and low-power design.
- Full Meshtastic firmware compatibility
- Type-C USB for power and programming
- Ideal for personal, emergency, or off-grid mesh networks
Build your own private communication network with the reliable and field-proven Heltec V3.
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor) |
| LoRa Node Chip | SX1262 |
| USB to Serial Chip | CP2102 |
| Frequency | 433 – 510 MHz |
| Max. TX Power | 21±1dBm |
| Max. Receiving sensitivity | -136dBm@SF12 BW=125KHz |
| Wi-Fi | 802.11 b/g/n, up to 150Mbps |
| Bluetooth | Bluetooth 5 (LE) |
| Hardware Resource | 7*ADC1 + 2*ADC2; 7*Touch; 3*UART; 2*I2C; 2*SPI; etc. |
| Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash |
| Interface | Type-C USB; 2*1.25 lithium battery interface; LoRa ANT(IPEX1.0); 2*18*2.54 Header Pin |
| Battery (not included) | 3.7V lithium battery power supply and charging |
| Operating Temperature | -20 ~ 70 ℃ |
| Dimensions | 50.2 * 25.5* 10.2 mm |
WiFi LoRa 32(V3) In the Box
- 1 x WiFi LoRa 32 (V3) 433~510 MHz
- 1 x LoRa Antenna
- 1 x SMA-F to IPEX pigtail
- 1 x SH1.25×2 Battery Connector
| Weight | 0.04 kg |
|---|---|
| Dimensions | 6.7 × 6.7 × 2 cm |
| Configuration | Standard, Configured |
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