TS2493 Jaycar Electronics Group RV-3028 Real Time Clock with Supercapacitor Backup (Blue and Eco-friendly): Difference between revisions
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Revision as of 16:46, 16 June 2023
1.Description
Loads of projects require accurate timekeeping. Whether you're building the ultimate alarm clock or making a custom datalogger, keeping accurate time is easy and safe with our Real Time Clock (RTC). Unlike most RTC modules, this one is backed up by a supercapacitor instead of a lithium battery - making it safer for use indoor. When connected to power, the RTC trickle-charges the supercap in just a few minutes - enough to keep the clock going for a couple of weeks once power is removed. The onboard RV-3028 handles timekeeping and date with 1ppm accuracy and has an incredibly low power consumption (45nA at 3V).
2.Parameters
Accuracy: ±1ppm @ 25°C
Working Temperature: -10°C ~ +50°C
Dimensions: 22.5 x 24 mm
Positioning Holes: 2 x M3, spacing 18.923 mm
Weight: 3.5 g
3.Features
- Safer for indoor use - no lithium battery
- Tracks year, month, day, weekday, hour, minutes, seconds
- Supercapacitor backed - keeps time for two weeks after power is removed
- Automatically switches between main power and backup power
- High accuracy clock - loses about 30 seconds per year
4.Schematic Diagram
