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A clock that wakes when someone walks up
The DS3231's time shows on a 4-digit display, but only while the PIR sees someone.
ds3231_i2chc_sr501tm1637
Sensor
DS3231 RTC module (ZS-042 / breakout, 6-pin header)
ds3231_i2cI²C0x68
Why this support circuit is added
Fixed I²C address 0x68 (not selectable). Module has pull-ups and runs 2.3–5.5 V straight from the board rail.
Grounded in the catalog and golden patterns (real open-source circuits). Every auto-inserted part comes with a reason.
Support circuit added automatically0
No extra support circuit for this part — only the board rail and the connector are wired.
InterfaceI²C
- Catalog id
- ds3231_i2c
- Category
- Sensor
- Protocol
- I²C
- I²C address
- 0x68
- Address select
- Fixed
- Logic level
- Unrestricted (uses the board rail)
Firmware detection2
Any of these #includes identifies this part
#include <RTClib.h> #include <DS3231.h>
Examples using this part
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