ChronoDot v3 Ultra-precise Real Time Clock

ChronoDot v3 Ultra-precise Real Time Clock

Marsoni

M251S

$21.00

Get it in 3 business days with 1 day shipping. Friday, May 29

ChronoDot v3 Ultra-precise Real Time ClockThe ChronoDot V3 is an ultra precise real time clock (RTC) module featuring the Maxim MAX31328 temperature compensated RTC chip. It offers 3. 5ppm accuracy from 40C to 85C (~1 minute per year), making it ideal for highly accurate timekeeping applications. This version is pin and code compatible with the older DS3231 based ChronoDots but includes notable enhancements: Slimmer dimensions for better compatibility with solderless breadboards without

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Runs much larger than I expected. I am 5’4”& 136 pounds. Usually wear a medium or large in some knit tops. So I need to stitch the side seams in hopes it will fit better. I like the weight and softness of the fabric, but really disappointed in the too large armholes. Unwearable for me until I can sew new side seams.

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Reviewed in the United States on February 11, 2026