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Update README.md
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lmarzen authored Mar 22, 2024
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Expand Up @@ -43,10 +43,10 @@ Here are two examples utilizing various configuration options:

### Hardware

7.5inch (800×480) E-Ink Display
7.5inch (800×480) E-Paper Display

- Advantages of E-Paper
- Ultra Low Power Consumption - E-Paper (or E-Ink) displays are ideal for low-power applications that do not require frequent display refreshes. E-Paper displays only draw power when refreshing the display and do not have a backlight. Images will remain on the screen even when power is removed.
- Ultra Low Power Consumption - E-Paper (aka E-Ink) displays are ideal for low-power applications that do not require frequent display refreshes. E-Paper displays only draw power when refreshing the display and do not have a backlight. Images will remain on the screen even when power is removed.

- Limitations of E-Paper:
- Colors - E-Paper has traditionally been limited to just black and white, but in recent years 3-color E-Paper screens have started showing up.
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- No level converters, which makes it better for low-power use with 3.3V processors compared to the Waveshare HAT.

- The Waveshare started shipping revision 2.3 of their e-paper HAT. Some users are reporting issues with this HAT ([#62](https://github.com/lmarzen/esp32-weather-epd/issues/62)).
- Waveshare started shipping revision 2.3 of their e-paper HAT. Some users have reported issues with this HAT ([#62](https://github.com/lmarzen/esp32-weather-epd/issues/62)).

- https://www.e-paper-display.com/products_detail/productId=403.html

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