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Description
Parallax USB to Serial RS-232The Parallax USB to Serial (RS 232) adapter provides a Virtual Com Port for devices that have a DB9 (9 pin) serial female socket and need to connect to a computers USB port. Compact and economical, this adapter utilizes the FTDI FT231X chip. Updated FTDI USB drivers for Windows are included in the latest versions of the BASIC Stamp Editor, Propeller Tool, and SX Key IDE software packages. You may also download the Windows drivers separately from our
The Parallax USB to Serial (RS-232) adapter provides a Virtual Com Port for devices that have a DB9 (9-pin) serial female socket and need to connect to a computer’s USB port. Compact and economical, this adapter utilizes the FTDI FT231X chip.
Updated FTDI USB drivers for Windows are included in the latest versions of the BASIC Stamp Editor, Propeller Tool, and SX-Key IDE software packages. You may also download the Windows drivers separately from our site, or drivers for other operating systems directly from FTDI (see the Downloads section below).
Features:- USB Version 1.1 and 2.0 compatible
- Connects to your computer with a USB A to Mini-B cable (not included)
- DB9 male socket to connect to your board’s serial programming and debugging port
- FTDI Drivers are included in most operating systems and Parallax programming software
- Drivers for different operating systems are available from FTDI
- Power requirements: Regulated 5 V from USB port or powered hub.
- Communication: Full speed USB, full duplex serial from 300 baud to 3 Mbaud
- Dimensions: 1.7 x 1.2 x 0.5 in (51 x 16 x 12 mm)
- Operating temp range: +32 to +158 °F (0 to +70 °C)
- PCB assembled, tested, and completed in Rocklin, California
- Install one of these Parallax programming environments (BASIC Stamp Editor, Propeller Tool, SX-Key IDE).
- Or, download the USB drivers separately from the Downloads link
- Connect the USB to Serial Adapter to your PC with a USB A to Mini B cable
- A message from your system tray will say your hardware is installed and ready to use (Windows)
- Connect the adapter to your device’s DB9 connector
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Great no shows for people with larger feet
Size: Large, Color: (001) Black / Black / Castlerock
Some of my favorite socks!! Great quality, fit, and material. I love that they don't slip down in my shoes, especially considering I have larger feet. I also love that Under Armour offers larger sizes in their socks considering everyone in our household has much larger feet than others.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Best liner socks EVER
Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Great socks
Size: Medium, Color: Pink - 647
Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed.
I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood).
Overall: high recommend based on my experience so far!
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Great fit!
Size: Medium, Color: (403) Washed Navy / Washed Navy / Blue Smoke
Great quality!
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Reviewed in the United States on May 15, 2026
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