It’s hard to overshadow just how easy this scope is to build, use, and hack on. You really don’t need much in the way of parts, a protoboard will do, though you can also etch or order your own ...

Will a $57 scope replace your big benchtop instrument? Maybe not. But it was a useful tool for troubleshooting. Even if you don’t want a cheap scope, you can learn a lot from [Adrian’s ...