Finally stopped procrastinating and dove in. Came to the realization this should probably be done on two boards. The first board (a socket for an SP-353 panaplex display) is nearly ready for a test run!

Success!
160v panaplex display wired up to an Arduino running the blink sketch.

Not the prettiest job, but cobbled together a test rig for a surface mount transistor. Want to be sure it can switch a low current 160v before I commit.

DigiKey day!
Among other things I received this 4x20 OLED character display that I'm very excited to start tinkering around with.

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