v4 Expansion
Heltec v4 + Expansion Kit (Touch)
★★★★★ 5.0
🎯 All-in-One Overview
The Heltec WiFi LoRa 32 V4 with Expansion Kit (Touch) combines the powerful v4 radio with a touchscreen display expansion, creating an all-in-one mesh device without needing a smartphone.
Key Features
- Touch Display: Built-in touchscreen for message viewing and device control
- 28dBm Output Power: Maximum range for LoRa transmissions
- ESP32-S3: Dual-core processor with WiFi/Bluetooth
- SX1262 LoRa: Long-range mesh communication
- Ripple Firmware: Access to premium Ripple features
- Modular Design: V4 board + expansion kit
✓ Pros
- ✔ Touch display interface
- ✔ All-in-one device with expansion
- ✔ 28dBm output power
- ✔ Enhanced features over standard v4
- ✔ Ripple Firmware support
✗ Cons
- ✕ Higher price than standard v4
- ✕ Expansion kit sold separately
- ✕ Bulkier with expansion
Setup Notes
- Assemble v4 board with expansion kit
- Flash with MeshCore Flasher using Ripple Firmware
- Attach external antenna (required)
- Configure via touchscreen interface
Use Cases
Perfect for:
- All-in-one portable mesh device
- Users who want Heltec quality with a display
- Field operations without smartphone
- Standalone mesh nodes
Additional Resources
- Heltec Documentation
- Compatible with MeshCore Flasher
⚙️ Specifications
- MCU Chip
- ESP32-S3FN8
- LoRa Chip
- SX1262
- Antenna
- External U.FL/IPEX connector
- Price Range
- $50-70