It is hard to remember how expensive an electronic hobby used to be. It wasn’t long ago, for example, that a solderless breadboard was reasonably expensive and was likely to have some sort of baseboard. The nicer ones even had a power supply or some simple test instruments. While you can still buy that sort of thing today, the low cost of bare breadboards have made them much more common. [Sebastian] decided to use his 3D printer to give those cheap breadboards a nice home.
The design looks great, and frankly isn’t much of a technical triumph, but it is useful and clean looking. The build uses some banana jacks, a switch, an LED, a 9V battery, and a common small power supply module. Of course, you also need a few breadboards.
The 9V battery fits snug inside, although we might have added an optional AC adapter jack. [Sebastian] left a lot of space inside, so we thought about how feasible it would be to make a mating storage box that would fit underneath and keep parts away from the electronics.
There are actually a lot of quick mods you could do on this design. A cheap meter module would let you measure the current draw, for example. You could put a few pots in that blank spot, also. We might add a mating dock to the top so you could plug in option boards that had, for example, an Arduino, an ESP8266, or a Raspberry Pi for different projects.
We always keep a stock of 5V LEDs to reduce the number of parts we need on the breadboard, but ..
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