Breadboard Test Adapter
thingiverse
This adapter extension (http://www.thingiverse.com/thing:61466) offers a simple jumper set with mini probes for testing breadboarded circuits. The Bill of Materials includes male-male 0.1" jumper wires in various lengths from Pololu, along with 1 pin and 2 pin crimp connector housings or DIY options using male header pins and housings.
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