SparkFun Break Away Headers - 40-pin Male (Long Centered, PTH, 0.1") Connectors Tree Stands This board will let you

This board will let you take advantage of your power supply to create a benchtop power supply with enough juice to run almost any of your embedded electronics projects

Two lenses combined for easy storage and transport

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Works great as an physical indicator without notifying anyone but the wearer

Well it should

SparkFun Break Away Headers - 40-pin Male (Long Centered, PTH, 0.1") Connectors Tree Stands This board will let youThis is a row of 40 break away headers spaced 0. 1" apart with long pins on both sides. This header is especially useful when you need to connect a PCB to a solderless breadboard. Each header can be broken apart to your preference to fit custom PCBs or general custom headers. Documents: Dimensional Drawing