Microduino RTC

Add reliable, battery-backed timekeeping to any Microduino stack with the Microduino RTC module.

• Built around the high-precision DS3231SN real-time clock IC with temperature compensation
• On-board 32.768 kHz crystal and coin-cell backup keep date & time even when main power is off
• Standard 27 mm × 27 mm Microduino footprint with gold-plated, stack-through pins for quick prototyping
• I²C communication and 3.3 V/5 V logic compatibility—no level shifting required
• Ultra-low standby current for long-life logging and wearable projects
• Open-source library, example sketches, and full documentation available on the Microduino Wiki

Ideal for dataloggers, alarm schedulers, smart-home controllers, and any project that needs consistent, temperature-stable time stamps.