Vision Master E290
The Vision Master E290 (HT-VME290) is a 2.90-inch black-and-white E-Ink development kit with Bluetooth, Wi-Fi, and LoRa connectivity, supporting multiple frameworks for applications like electronic labels, identity tags, and open-source projects such as Meshtastic.
Product characteristics
- ESP32-S3R8 MCU, support Wi-Fi and BLE
- LoRa module is optional, compatible with Meshtastic
- Low power consumption, 18uA in deep sleep, continuous display for 180 days after power outage
- Onboard 2.90 inch 296 x 128 pixels display, support for partial refresh
- SH2.0-4P sensor interface is perfectly compatible with QuickLink series sensors
Important parameters
| parameters | Vision Master E290 |
|---|---|
| Master and LoRa Chip | ESP32-S3R8 + SX1262 |
| DisplayResolution | 128(H)x296(V) Pixel |
| Max. TX Power | 21±1dBm |
| Bluetooth | Bluetooth 5(LE) |
| Power Supply | 3 ~5V (USB), 3 ~4.2(Battery) |
| Dimensions | 88mm * 36.6mm * 12mm |
Important Resources
Product Usage Guide
The following documentation will help you get started quickly with the product