
Make a Magic Blocks
Gadget Cache
BUILD YOUR MAGIC BLOCKS
We suggest you assemble all four PCBs at the
same time, unless you’re not very familiar with
soldering — in which case you might want to fully
assemble one magic block and make sure it’s all
working before building the other three.
If you’re new to soldering, brush up with this
Make: video (youtu.be/v4D_Rdp1uh8) and primer
(makezine.com/projects/primer-soldering-and-
desoldering) and Adafruit’s handy reference card
(makezine.com/go/adafruit-solder-card).
Let’s get started!
ASSEMBLE THE PCBS
1. Decide on the four digits you wish to use (e.g.,
3 1 5 9). Write each digit on the back of one boar ...