Search found 2 matches

by k3rnell
Tue Aug 13, 2024 9:59 am
Forum: General Discussion
Topic: External RTC 32768 crystal witn ESP32-WROOM-32/ 32D D0WD
Replies: 1
Views: 1319

Re: External RTC 32768 crystal witn ESP32-WROOM-32/ 32D D0WD

UPD. I found old our device with ESP32-WROOM-32 (ESP32 chip's revision 1.0 ESP32-D0WDQ6) and add the cheapest 32768Hz crystal with two 22pf. Specifically soldered them all in violation of the requirements to check work, set using external 32kHz in menuconfig. Code initializes GPIO of ESP32 and afte...
by k3rnell
Tue Aug 13, 2024 9:52 am
Forum: ESP32 Arduino
Topic: ESP32 External 32.768kHZ Crystal for RTC
Replies: 11
Views: 11348

Re: ESP32 External 32.768kHZ Crystal for RTC

Otherwise it seems to work great. This code is working fine for rtc external crystal selection, without building esp-idf library for arduino. Could you please confirm that it is working with your hardware setup, Or any mistake in this. Something to be aware of: [...] My newer boards built with ESP3...