![RTC DS3231's SQW pin goes LOW when on Vbat and triggers an unsolicited interrupt - Sensors - Arduino Forum RTC DS3231's SQW pin goes LOW when on Vbat and triggers an unsolicited interrupt - Sensors - Arduino Forum](https://aws1.discourse-cdn.com/arduino/optimized/4X/9/c/a/9ca84dffd753e0365368bf94e3a71cbe8098fed7_2_690x372.jpeg)
RTC DS3231's SQW pin goes LOW when on Vbat and triggers an unsolicited interrupt - Sensors - Arduino Forum
![GitHub - shreyask21/RTC_Hourly_Chime: Demonstration of Dallas Semiconductor DS3231 real time clock functions such as alarm, Interrupt pin etc. GitHub - shreyask21/RTC_Hourly_Chime: Demonstration of Dallas Semiconductor DS3231 real time clock functions such as alarm, Interrupt pin etc.](https://raw.githubusercontent.com/shreyask21/RTC_Hourly_Chime/master/img/flowchart.png)
GitHub - shreyask21/RTC_Hourly_Chime: Demonstration of Dallas Semiconductor DS3231 real time clock functions such as alarm, Interrupt pin etc.
![Amazon.com: AITRIP 3PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi with Coin Battery : Electronics Amazon.com: AITRIP 3PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi with Coin Battery : Electronics](https://m.media-amazon.com/images/I/81ZuW733JRL.jpg)
Amazon.com: AITRIP 3PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi with Coin Battery : Electronics
![Amazon.com: Diymore 5pcs DS3231 AT24C32 IIC RTC Module Real Time Clock Memory Board Beats DS1307 Without Battery (5) : Electronics Amazon.com: Diymore 5pcs DS3231 AT24C32 IIC RTC Module Real Time Clock Memory Board Beats DS1307 Without Battery (5) : Electronics](https://m.media-amazon.com/images/I/51WtKnZZ4zL._AC_SY580_.jpg)
Amazon.com: Diymore 5pcs DS3231 AT24C32 IIC RTC Module Real Time Clock Memory Board Beats DS1307 Without Battery (5) : Electronics
![Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed](https://www.seeedstudio.com/blog/wp-content/uploads/2020/07/cover-2.png)
Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed
![Erriez DS3231 high precision I2C RTC library for Arduino: DS3231 high precision I2C RTC library for Arduino Erriez DS3231 high precision I2C RTC library for Arduino: DS3231 high precision I2C RTC library for Arduino](https://raw.githubusercontent.com/Erriez/ErriezDS3231/master/extras/DS3231_Arduino_UNO.png)