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Description
Waveshare Multi Protection 8-Channel Industrial Relay Module for Raspberry Pi Pico, 20218Features 1. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal 2. Onboard photocoupler isolation, prevent interference from external high voltage circuit connected to the relay 3. High quality relay, contact rating: 10A 250V AC or Less than or equal 10A 30V DC 4. ABS protection enclosure with rail mount support, easy to install, safe to use 5. Breakout USB port and BOOT pin,
Features1. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
2. Onboard photocoupler isolation, prevent interference from external high-voltage circuit connected to the relay
3. High quality relay, contact rating: 10A 250V AC or Less than or equal 10A 30V DC
4. ABS protection enclosure with rail-mount support, easy to install, safe to use
5. Breakout USB port and BOOT pin, make it easy to debug without disassembling the enclosure
6. PWR indicator, RGB LED, and passive buzzer outside the enclosure
7. Come with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)
Specification
1. Operation voltage: 5V
2. Relay channel: 8CH
3. Communication protocol: USB
4. Contact form: 1NO 1NC
5. Communication interface: Micro USB
Package List
1. ABS protection enclosure (top and bottom) x 1
2. Pico-Relay-B x 1
3. Screwdriver x 1
4. Screws pack x 1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Stable, attractive, and easy to turn into a table with your choice of top
Size: side table leg
The X-shape of the table legs - constructed with solid metal flanges, T-joints, X-joints and 1-inch diameter pipes - provides a strong and sturdy base for a wood top. The legs have adjustable feet pads to prevent scratches and ensure stability. Assembly of the legs is relatively simple (the instructions are clear) but you will need your own tools to attach a top.
The industrial design is especially well suited to rec room or finished basement use. I am adding a 28" diameter raw edge slab of wood from a recently felled tree as the top and it is very attractive. (Photo unavailable because after I made certain it would work I sent the slab out for drying and finishing.)
If you want a custom table and have a particular piece of wood you want to use, these legs are an excellent choice.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Very nice kit: Beware it is NOT heavy duty plumbing pipe though!
Size: side table leg
I want to give this kit a high rating, but I need to address the "truth in advertising" bit since there may be an important disconnect between what you think you are getting and what actually comes in the box.
Black plumbing used for shelving or table legs is part of an important niche in interior design. I like the industrial loft look myself and have a variety of glass, steel, and masonry elements in my home. This kit fits that look and provides plenty of "strength" for most domestic uses, like shelves or coffee tables. But they are NOT "industrial pipe" or "maximum durability pipe." Note the phrase "cast iron finish feet," which together with the other claims might lead you to think these are cast plumbing fittings. They are NOT!
The feet and flanges feel like electrical conduit fittings, and the pipe sections are likely aluminum. They might be electrical or they might be multi-use, lightweight pipe.
While all this might lead you to think that you're getting a truly retro, heavy-duty pipe kit made of black plumbing pipe, you are not. But, does it matter? Depends. I find the lighter pipe's smooth finish a nice "tone-down" from the rough plumbing look. All together, this kit provides plenty of strength for most furniture and the rustic pipe look, but with a nicer, lighter finish. To me that is a plus--this is a very nice kit and costs less that if you'd pieced it together from real plumbing parts (I priced it out to compare), and looks retro but cleaner. I knew what to expect because while I got this kit free on Vine, I had purchased a nearly identical kit from another seller last year.
So, I'm giving it 5 stars for what it actually is and for the price, JUST BE AWARE THE NARRATIVE IS MISLEADING. Which is unfortunate because just like some people might want the heavier pipe, I'm betting more would be attracted to the look with a cleaner, lighter feel.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Wonderful additional to our dining room.
Model: Model B with Removable Tray
A great addition in our dining room. Color and style were a perfect match. Solid construction and easy to put together. Casters work great and lots of room for all sorts of beverages. Great value.
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Reviewed in the United States on June 15, 2025
★★★★★ 5
Great addition to our home
Model: Model B with Removable Tray
Putting together took a little time but instructions included were easy for me to follow. Putting the screws in for the shelves required a little work to get then started but nothing that I would say would be a problem to do. It is very sturdy and looks great in our room we are transforming into a hangout/bar area. I can't wait to get all my accessories in to add to it and display all my nice bottles I have. Great cart for the price.
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Reviewed in the United States on December 17, 2022
★★★★★ 5
My Cart Worked Out Perfectly For Me - Update: I got a second cart
Model: Model B with Removable Tray
Delivered sooner than promised. All pieces were present. All parts were in good condition. Assembly was done by a professional who thought the product was well done and needed very few adjustments. The cart rolls smoothly, is very sturdy, is a great size, looks attractive and is perfect for my needs. I would order one of these again.
Update: I did get a second cart and I am just as happy with this second one as I have been with the first one.
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Reviewed in the United States on March 8, 2022