A 2.13 E-paper cloud module with 2000mAh battery, now customize your text/image wirelessly! Controllable with an app and through the ESP32 module.
Features
- Contains ESP32, supports Arduino
- No backlight, retains the display of the last upload for a long time, even when the power goes out
- Voltage detection circuit to prevent battery from discharging too much
- Android APP for refreshing the module via Bluetooth EDR, easy to use
- HTML host computer code for refreshing the module via remote web page, easy to be integrated into all kinds of Internet applications
- Supports Floyd-Steinberg dithering algorithm, more color combinations, better shading for the original image
- Supports popular image formats: BMP, JPEG, GIF, PNG, etc.
- Comes with embedded e-Paper driver (open source)
Specifications
Communication | WiFi 2.4GHz, Bluetooth4.2 | Battery | 2000 mAh |
Dimensions | 71.0 × 30.2mm | Display color | black, white |
Display size | 48.55 × 23.70mm | Power supply | battery |
Dot pitch | 0.194 × 0.194mm | Full refresh time | 2s |
Resolution | 250×122 pixels | Viewing angle | >170° |
Contents
- 2.13 inch E-paper
- Lipo battery 3.7 V 2000mAh
- Screws and standoffs