A portable powered breadboard with a variable output 0.5v-9v (LM317).
It even has a meter.

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4 years ago on Introduction

Just a note to let you know I have added this ( a year ago ) to the instructable:

Comprehensive Guide to Electronic Breadboards: A Meta Instructable

Take a look at a bunch of ideas for using breadboards.

7 years ago on Introduction

i did something like this once nowhere near as good as this though

9 years ago on Introduction

OMG Nice mess out there in the back :) Nice for testing low-power-consumption hardware. Maybe less tape will be better.