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Description
Waveshare 8-ch Relay Expansion Board for Raspberry Pi, Raspberry Pi 8-ch RelayOverview The RPi Relay Board (B) is an expansion board with 8 ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances. Features 1. Supports Raspberry Pi A+ B+ 2B 3B 3B+ 2. High quality relays, loads up to 5A 250V AC or 5A 30V DC 3. Photo coupling isolation, prevent interference from high voltage circuit 4. Standard rail mount bottom case 5. Onboard LEDs for indicating relays status 6. Relay
OverviewThe RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances.
Features
1. Supports Raspberry Pi A+/B+/2B/3B/3B+
2. High quality relays, loads up to 5A 250V AC or 5A 30V DC
3. Photo coupling isolation, prevent interference from high voltage circuit
4. Standard rail mount bottom case
5. Onboard LEDs for indicating relays status
6. Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins
7. Reserved control Interface, allows to work with controllers like PLC
8. Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job)
Specifications
1. Power supply voltage: 5V
2. Trigger signal: 3.3V/5V
3. Relay channels: 8-ch
4. Contact form: SPDT-NO,NC
5. Closed current: 6mA (per channel)
6. Connector: screw terminal block
7. Dimension: 232 × 72 (mm)
8. Mounting hole size: 3.0mm
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:
- 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
4.9 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 3
Dissatisfied
Didn't like the socks at all. The silicone in them made my feet sweat and couldn't wiggle my toes at all.
Gloves were okay, received them with holes between the fingers, only able to wear each twice.
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Reviewed in the United States on November 17, 2025
★★★★★ 2
too small
I saw these and instantly thought they would be amazing! I was hoping for just that. I received them today and tried them right away. I love the gel feel but im not really liking the way they kept rolling off. They're a bit too small id say and when walking they roll off from the back. I didnt think my foot was other than average? Maybe? Im a size 7 in women's shoes.
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Reviewed in the United States on September 12, 2025
★★★★★ 5
Super Awesome
I have the driest feet, my mom did too so I should have known that I would inherit it as an adult myself. My toes literally crack and split open from dry skin, I call them fissures. They really hurt. Last night I used my cheese grater foot file gently on my heels and calloused parts, and then applied liberal lotion, and wore those squishy socks all night. I woke up to the most moisturized youthful feet I’ve ever seen attached to my body! Wow these totally work!!! I even slept better than I have in a very long time. I’m very pleased. These did exactly what I hoped they would do.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great glitter body spray
Color: Fairy-Diamond, Color: Fairy-Diamond
So cute. Came with extra glitter, I’m assuming lipgloss you can make into glitter lipgloss, a funnel to help pour the glitter. Or re load your spray. The spray performance is nice. Might stick better with some oil before hand? But I like it so far. Worked 6 hours and still had glitter on me for my photoshoot. I sprayed perfume and then glitter. There’s no odor. The amount of quantity of glitter you get seems good for the price. Durability seems good so far but like I said may need some oil or lotion first to help it stick all day.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Troll glitter
Color: Brandy-Rose
Do not spray too much! This glitter is so fine that it dispenses easily from the puff part and you can easily make yourself look like Poppy the troll. We had so much fun with this for prom
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Reviewed in the United States on May 30, 2026
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