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RV3028 Real-Time Clock (RTC) Breakout
RV3028 Real-Time Clock (RTC) Breakout
RV3028 Real-Time Clock (RTC) Breakout
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RV3028 Real-Time Clock (RTC) Breakout

Marsoni M251S
Sale price$22.00
Pay 4 payments of $5.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RV3028 Real-Time Clock (RTC) BreakoutThe RV3028 Real Time Clock (RTC) Breakout is an ultra low power (~100 nA), highly accurate Swiss made RTC perfect for adding timekeeping functionality to your projects. Featuring an onboard tiny silver oxide battery, it keeps time even when your device is powered off, ensuring continuous and reliable time maintenance. The breakout board offers a factory calibrated RTC with an accuracy of 1 second drift per million seconds at 25C, surpassing typical
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Your RV3028 Real-Time Clock (RTC) Breakout orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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You'll receive a tracking link by email once your RV3028 Real-Time Clock (RTC) Breakout ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2193 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 5
Not paper thin like most T-Shirts
Color: Light Khaki, Size: X-Large
These Cooney tshirts are really nice. Feel like 100% cotton and keep their shape and color. Size true to fit. Good value for the money. Love the mock neck style. Bot a couple one in white and one in black. Then went back and ordered 6 more various colors. Like the all.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
A
Verified Purchase
Area49
Natrona Heights, US
★★★★★ 5
Coofandy is top tier, excellent fabric quality and fit,
Color: Black, Size: X-Large
I have purchased many Coofandy shirts, all have been of good quality and fit,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
D
Verified Purchase
Dale Moore
Pawtucket, US
★★★★★ 4
Mockneck tee-shirt
Color: Black, Size: X-Large
I like the feel and fit of this shirt but the neck folds over in the front.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
D
Verified Purchase
Debra Thornton
New York, US
★★★★★ 5
Men’s Mock Neck Shirt
Color: Black, Size: Large
Nice quality at a great price. Will buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
B
Verified Purchase
Bruce
Charlottesville, US
★★★★★ 5
98% cotton comfort
Color: Black, Size: Large
It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026

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