Heltec LoRa32 V3 (SX1262, ESP32-S3, Meshtastic Compatible)
The Heltec LoRa32 V3 is a feature-rich development board combining the power of the ESP32-S3 microcontroller with the Semtech SX1262 LoRa transceiver. Designed for long-range wireless communication, this board is Meshtastic-compatible out of the box, making it ideal for mesh networking, telemetry, and IoT applications. With built-in Wi-Fi, Bluetooth 5.0, a high-efficiency antenna, and an onboard OLED display, the LoRa32 V3 delivers reliable performance for both experimentation and deployment in remote or low-power environments.
Key Features
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Processor: ESP32-S3 dual-core Xtensa® LX7 @ up to 240 MHz
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Wireless Connectivity:
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2.4 GHz Wi-Fi (802.11 b/g/n)
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Bluetooth 5.0 (LE)
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LoRa Radio: Semtech SX1262 transceiver
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Frequency range: 868 / 915 MHz (varies by model)
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High sensitivity and long-range capability
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Display: 0.96" OLED (128×64 resolution)
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Memory: 8 MB Flash, 512 KB PSRAM
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Antenna: Onboard IPEX (u.FL) connector and included antenna
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Power Supply: 3.3V logic, 5V via USB-C or LiPo battery
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Battery Support: Integrated charger and JST-PH connector for 3.7V LiPo
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Interfaces: SPI, I²C, UART, ADC, PWM, GPIO
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Programming Support: Compatible with Arduino IDE, ESP-IDF, and PlatformIO
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Meshtastic: Fully supported firmware for decentralized communication networks
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Dimensions: 68 × 25 × 8 mm