Nixie clock by Arduino | Simplest design

This video will show you how to make an Nixie clock with Arduino in simplest way. Circuit design uses only opto-isolation chip, no need Nixie tube driver.
Now you can build your own Nixie clock with parts:
1. Arduino UNO
2. Nixie tube 6 pcs
3. Opto coupler chip TLP627
4. DC step-up module from 12VDC to 390VDC
5. Breadboard
6. Real time clock module DS3231

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Code and circuit

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