This board is especially useful for preserving a prototype or experiment you just created on a solder-less breadboard by soldering ... and all holes are through-plated for mounting strength ...

But in some situations–for example, in classrooms–it is very attractive to have a chip that is directly mountable on a common breadboard ... working with through hole components.

Jumperless is a jumperless breadboard with multicolored LED visualization of signals in real-time. Sounds like magic? This beautifully executed entry to the 2023 Hackaday Prize by [Kevin Santo ...