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Specifications:
- Operating voltage: 3.3 V.
- GREY SCALE: 4
- INTERFACE: 3-wire SPI, 4-wire SPI
- PARTIAL REFRESH TIME:0.3s
- Outline dimensions: 54.9 x 93.3 x 0.8 mm.
- FULL REFRESH TIME: 3s
- DISPLAY SIZE: 47.32 × 81.1 mm
- REFRESH POWER: 50mW (typ.)
- DOT PITCH: 4.3 × 0.18 mm.
- STANDBY CURRENT:
- RESOLUTION: 480 × 280 pixels.
- Viewing angle: >170°.
- Display colour: black, white.
E-Paper refreshing
Refresh Mode
- Full refresh: e-paper flicker when full refreshing to remove ghost image for best display.
- Partial refresh: It don't flicker if you use partial refresh (only some of the two-color e-paper support partial refresh).
- Note that you cannot use Partial refresh all the time, you should full refresh e-paper regularly, otherwise, ghost problem will get worse even damage.
Refresh rate
- When using, you should set the update interval at least 180s. (except Partial tolerable types)
- Please set the e-Paper to sleep mode or power off it directly, otherwise, the e-Paper is damaged because of working in high voltage for long time.
Working place
- We recommend you to use the e-paper indoor. If you need to set the outdoor e-paper, please place the e-paper in shadow and protect it from UV. When you designed you e-paper product, you should take care about the working situation like temperature, humidity, etc.
User Manual:https://www.waveshare.com/wiki/3.7inch_e-Paper_HAT?amazon
Teo
2025-03-04 16:08:27
Funktioniert gut, wenig Ghosting und der Preis ist ok.
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