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Step 3Tube carrier
The 'tube carrier' is the face of the ornament It holds an IN-12 style nixie tube socket and the KD155 nixie tube driver IC. I cut the circuit board to fit around the nixie tube socket and screwed the socket to the board. Long screws were used so that the power supply could be bolted to the back.
Assembly was a bit intense. Wires from the IC to the nixie tube socket were soldered directly into the same hole as the IC. Not a great design, but it worked and saved a lot of space. The leads connecting to the tube socket were covered with shrink tube for a more professional look (but mostly to protect against shorts).
Assembly was a bit intense. Wires from the IC to the nixie tube socket were soldered directly into the same hole as the IC. Not a great design, but it worked and saved a lot of space. The leads connecting to the tube socket were covered with shrink tube for a more professional look (but mostly to protect against shorts).
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