With most of our dev boards, sensors and feathers now sporting plug-and-play stemma QT ports it can be very fast to put together projects with half a dozen boards snapped together. But that ease of use has one downside: now you don't have a breadboard as a mechanical substrate... which is why we created this nifty swirly grid design to allow for easy mounting of various small microcontroller and sensor boards.

• The grid is made out of an 'aluminum PCB' - we have that in quotes because while technically it is made with a PCB process for single-sided aluminum-core PCBs, there's no actual copper on here, its just the aluminum backing, and then black soldermask with silkscreen. The aluminum is conductive both electrically and thermally - so watch out if you are using metal screws to attach stuff. Unless, that is, you want to turn the whole thing into a ground plane in which case: go for it.
  
• Each square is 0.6" x 0.6" and there's holes or slots every 0.2 inches. With the various dots and dashes you can pretty much make anything on a 0.1" grid fit. Each drill hole is 0.1" / 2.54mm diameter, the slots are 0.11" x 0.3" (2.75 x 7.5mm)  And if that's not good enough, the aluminum is easy to cut/drill/machine/bend if you need more customization.

Technical Details:

• 0.062" thick aluminum plate
• For 0.1" grid mounting projects
• 3" x 6" dimensions
• Wanna make your own? KiCad Python script grid generator available here for making any size your desire!

Package Includes:

• 1 x Adafruit 5774 Swirly Aluminum Mounting Grid for 0.1" Spaced PCBs