Classic Arduino Nixie Clock

Arduino Mega based Nixie Clock
I used a real time clock DS1307 (placed between Mega and Nixie pcb)
Nixie driver IC's
4mm Neon Bulbs
NEC CD66A Nixie tubes (18mm diameter and 40mm height)
I can send the Arduino Program
At the back a have a baseplate voor the Nixie power supply (170VDC)