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lmarzen / esp32-weather-epd

A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.
GNU General Public License v3.0
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No Display #80

Closed colussim closed 4 months ago

colussim commented 4 months ago

Hi ,

Cool project, thanks for sharing. i use a Waveshare 7.5 inch E-Paper Display Hat Module V2 Kit 800x480 (https://www.amazon.com/dp/B075R4QY3L?psc=1&ref=ppx_yo2ov_dt_b_product_details), but nothing appears on the screen..... Is this screen compatible? I have the impression that it's not possible to contact the screen ... Busy Timeout! I tested with the example code this waveshare: https://github.com/waveshareteam/e-Paper/blob/master/Arduino/epd7in5b_V2/epd7in5b_V2.ino , I have something on the screen. Any idea what the problem is?

The console displays :

Waiting for SNTP synchronization.................................................. Friday, February 09, 2024 18:52:37 Attempting HTTP Request: api.openweathermap.org/data/2.5/onecall?lat=46.17&lon=6.01&lang=en&units=standard&exclude=minutely&appid={API key} 200 OK Attempting HTTP Request: api.openweathermap.org/data/2.5/air_pollution/history?lat=46.17&lon=6.01&start=1707414760&end=1707501159&appid={API key} 200 OK Reading from BME280... Busy Timeout! _PowerOn : 10001281 Busy Timeout! _Update_Full : 10001130 Busy Timeout! _PowerOff : 10001107 Awake for 43.283s Deep-sleep for 418s .....

Thanks,

Emmanuel

colussim commented 4 months ago

I found the problem came from insufficient voltage on the PWR pin.