Step 2: Make the Sucker

A: Put the rubber stopper on a 14 gauge needle

B: Solder the silver wire the 14 gauge needle. This is your signal wire.

C: Connect the two 14 gauge needles with a length of PE-160 tubing. I usually use some parafilm to make an air tight seal between the needle and the PE-160 tubing.

Now for Step 3: Wire it Up

Back to Step 1: Make the tip

Back to the start