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by LLM_coder
Fri Apr 03, 2026 5:47 pm
Forum: ESP-IDF
Topic: Using RTC with Backup Battery on ESP32-P4
Replies: 7
Views: 3494

Re: Using RTC with Backup Battery on ESP32-P4

Could NOT get this to work. Ultimately, I had to add a DS3231 to the I2C bus. I'm currently progging a Waveshare ESP32-P4 dev board (with a 7" screen). We tried the following things to try and get them to work:

ESP32-P4 RTC Time Persistence Across Power Cycles — Approaches Tried

Hardware ...

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