Hi, someone could tell me how to enable the RTC square wave output (SWQ), I have tried to do it using these commands (commented) but I got an error when compiling them #include <RTClib.h> #include <Wire.h> RTC_DS3231 rtc; char t[32]; void setup() { Serial.begin(115200); Wire.begin(); rtc.be…

[image] medusa: but I got an error when compiling them It's always useful to post the error message(s) that you get.

[image] medusa: but I got an error when compiling them In my Arduino UNO, I have no compilation error. Which board are you using?

How to enable the SQW output of the DS3231 on Arduino

van_der_decken June 1, 2024, 6:48am 2

rtc.writeSqwPinMode(DS3231_SquareWave1Hz);

did it for me.

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