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Heltec v2

Heltec WiFi LoRa 32 V2

3.5
📱 Companion Radio

Overview

The Heltec WiFi LoRa 32 V2 is an older generation device that’s been superseded by the V3 and V4. While still functional, newer versions offer better performance.

Key Features

  • ESP32: Original ESP32 processor
  • SX127x LoRa: Older LoRa chipset
  • 0.96” OLED: Basic display
  • Compact: Small form factor

✓ Pros

  • Older proven design
  • Budget-friendly
  • Small form factor

✗ Cons

  • Older SX127x LoRa chip
  • Less efficient than V3/V4
  • Consider V3 or V4 instead

Recommendation

Consider upgrading to V3 or V4 for better performance, power efficiency, and community support.

Additional Resources

⚙️ Specifications

MCU Chip
ESP32
LoRa Chip
SX127x
Antenna
External U.FL/IPEX connector
Price Range
$15-25