Heltec Vision Master E290
Official Active
Heltec Automation ESP32-S3R8 E-Ink development board with an optional SX1262 LoRa module, 2×20-pin Raspberry Pi-compatible female header, and a QuickLink sensor port. Compatible with Meshtastic/MeshCore; LoRa is a build-time option, not present on every SKU.
~$21 approx.· 2026-06
- MCU
- ESP32-S3
- Radio
- SX1262
- Display
- 2.9″ E-Paper
- GPS
- None
- Battery
- External
- Connectivity
- USB, BLE, Wi-Fi
Roles
CompanionRepeaterRoom ServerStandalone Ui
Transports
bleusbwifi
Hardware
Radio
- Technology
- LORA
- Chip
- Semtech SX1262 ↗
- Frequency
- 470 MHz,868 MHz,915 MHz
- TX power
- 21 dBm
- Antenna
- IPEX-1.0
Processor
- Family
- Espressif ESP32 series ↗
- Model
- Espressif ESP32-S3 ↗
- Architecture
- Xtensa LX
- Flash
- 16 MB
- RAM
- 512 KB
- PSRAM
- 8 MB
Battery
- Battery
- External connector
- Built-in
- No
- Charging
- Yes
- Connector
- SH1.25-2
Expansion
- Port 1
- Header 2.54 ×2 · 20 pins
- Port 2
- Quicklink Sh2.0 4p (I2C, GPIO, UART)
Physical
Connectivity
- USB
- USB-C
- USB modes
- Power, Serial, Flashing
- Bluetooth
- BLE 5.0
- Wi-Fi
- 802.11 b/g/n
Firmware support
| Firmware | Type | Target | Status | Notes |
|---|---|---|---|---|
| MeshCore (Official) | Official | heltec_e290 | ✓ Supported | |
| MeshCore Low-Power | Fork | — | ✓ Supported | |
| MeshCoreNG | Fork | heltec_e290 | ✓ Supported |