


Adafruit UPDI Friend USB Serial UPDI Programmer
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Adafruit UPDI Friend USB Serial UPDI ProgrammerThe Adafruit UPDI Friend is a compact USB serial programmer designed for programming modern ATtiny chips with ease. It supports both 3V and 5V power and logic levels, making it versatile for different project needs. This programmer features a CH340E USB Serial converter chip with cross platform drivers, a 1K loop back resistor between RX and TX lines, and a USB Type C connector for data and power. It includes a JST SH cable for quick breadboard
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- Express: 1-2 business days
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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.
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4.1 ★★★★★
Based on 1222 reviews
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Product Reviews
★★★★★ 5
It works will
Item form: Tablet
I love this product. They have with the smell and start cleaning that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
★★★★★ 3
It’s okay
Item form: Tablet
Product says “deodorizes” so I thought it would leave a clean lemony smell, but it does not. Sometimes it foams other times it doesn’t but based on the description that’s normal?
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Great product
Item form: Tablet
Love these. Works great
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Reviewed in the United States on September 24, 2025
★★★★★ 1
Not good
Item form: Tablet
Terrible compared to packets. Almost no foam and inefficient
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Reviewed in the United States on May 26, 2026
★★★★★ 5
As listed
Item form: Tablet
Works as described.
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Reviewed in the United States on September 28, 2025
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