How to build a compact Raspberry Pi cluster? Yes, I Know IT ! Ep 21
Links, time markers and a ton more in the description below. ▼
The Raspberry Pi is a great platform to experiment with cluster computing or networking. But as soon as you have more than two or three boards, you need to find a way to arrange them in a practical and compact way. Not only they will take less space on your desk, but they will also look more professional and will be easier to store and transport.
MOUNTING HOLE SIZE
In this video, I will show you several possible arrangements leveraging the board mounting holes to stack several boards using standoff. I’ve put on the video all the nuts, holes and tool size you may need to know so you won’t waste your money in buying equipment of the wrong size. Especially, you have to remember all holes on the Raspberry Pi are drilled to accommodate 2.5 mm diameter threads (M2.5). This is smaller than other boards I own that are designed with M3 (3.0 mm) screws in mind.
WHERE TO BUY?
You could buy the necessary pieces of hardware (standoffs, nuts, screw sets, kits and so on) from various places on the web. Here is a list that you can use as a starting point to compare the prices:
▶ eBay(http://www.ebay.com), AliExpress(https://www.aliexpress.com/), Alibaba(https://www.alibaba.com) (marketplaces for manufacturer and resellers mostly based in China; low to very low costs but double check the vendor reputation, minimum quantity and refund policy before buying; in case of doubt, choose a payment method like PayPal that avoids disclosing your bank account or credit card number)
▶ Adafruit Industries(https://www.adafruit.com/), Pololu Robotics and Electronics(https://www.pololu.com/) (DIY and hobbyist suppliers)
▶ RS Online(http://www.rs-online.com/), Mouser electronics(https://www.mouser.com), Farnell element14(http://www.farnell.com/), Digi-Key(https://www.digikey.com) (suppliers of electronics and mechanical parts, mainly targetted toward the industry, high quality but expensive products)
As of myself, I already bought without any issues from eBay, Adafruit, RS-Online, Farnell, DigiKey, and Amazon (see below). If you have previous experiences with other suppliers including those mentioned above, don’t hesitate to share your feedback on the video comment section!
AMAZON LINKS
I got a small commission for every purchase you will make on Amazon following those links. It won’t cost you anything, but this helps in supporting my channel:
▶ Raspberry Pi 3 Model B(https://yesik.it/RaspberryPi3)
▶ Raspberry Pi 3 Model B+(https://yesik.it/RaspberryPi3BPlus)
▶ RavPower 6 Ports USB Power Supply (US plug)(https://yesik.it/RavPower6PortsUSBPow...)
▶ RavPower 6 Ports USB Power Supply (EU plug)(https://yesik.it/RavPower6PortsUSBPow...)
▶ 180 Pcs M2.5 Nuts, Screws and Brass Standoffs Assortment Kit (stack up to 3 Raspberry Pi boards(https://yesik.it/M25KitSmall)
▶ 320 Pcs M2.5 Nuts, Screws and Brass Standoffs Assortment Kit (stack up to 6 Raspberry Pi boards(https://yesik.it/M25KitLarge)
▶ Apollo Precision Tools 58 Pcs Set for Smartphone Repair and Electronics (apparently, no longer manufactured—if you choose an alternate set check it contains the 5.0 mm and 5.5 hex heads, as well as a Phillips PH1 head)(https://yesik.it/Apollo58Precision)
▶ Multicolor Category 6 Ethernet Cables(https://yesik.it/MulticolorCat6Ethernet)
(it should bring you to your local Amazon online store if the product is available there)
TIME LINKS
If you don’t have the time to watch the video entirely, here are few links to jump directly to the section that interests you the most:
MAIN SECTIONS
▶ Stacking Several RPis with Standoffs (screws on the top layer)( • How to build a compact Raspberry Pi c... )
▶ Stacking Several RPis with Standoffs (nuts on the top layer)( • How to build a compact Raspberry Pi c... )
▶ Stacking Several RPis with Clear Acrylic ("Plexiglass") Plate Kits( • How to build a compact Raspberry Pi c... )
INFOGRAPHICS
▶ The Raspberry Pi Mounting Hole Dimensions( • How to build a compact Raspberry Pi c... )
▶ The Raspberry Pi Mounting Hole Clearance( • How to build a compact Raspberry Pi c... )
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