Added compatibility notice to further clarify Waveshare Hat support .

README.md

@@ -74,7 +74,7 @@ DESPI-C02 Adapter Board
 
 - No level converters, which makes it better for low-power use with 3.3V processors compared to the Waveshare HAT.
 
-- 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), [#119](https://github.com/lmarzen/esp32-weather-epd/issues/119)).
+- The Waveshare HATs (rev 2.2/2.3) are not recommended, and their compatibility with this project is not regularly tested.
 
 - https://www.e-paper-display.com/products_detail/productId=403.html
 
@@ -159,6 +159,8 @@ If you are using the FireBeetle 2 ESP32-E, you can use the connections I used or
 
 I have included 2 wiring diagrams. One for the Waveshare HAT rev2.2 and another using the recommended DESPI-C02.
 
+NOTE: Waveshare now ships revision 2.3 of their e-paper HAT (no longer rev 2.2 ). Rev 2.3 has an additional `PWR` pin (not depicted in the wiring diagrams below); connect this pin to 3.3V.
+
 IMPORTANT: The Waveshare E-Paper Driver HAT has two physical switches that MUST be set correctly for the display to work.
 
 - Display Config: Set switch to position B.