Quantity   Component name
1 × 8x IN-12B / 12A nixie tubes on pcb + 7 k155id1 + sockets 34$
1 × I2C RTC DS1307 AT24 C32 Real Time Clock Module Board 4$
1 × 5V 2A 2,5 7$
1 × 5pcs Breadboard prototype PCB 540 holes 50mm X 100mm 8$
1 × 5PCS PCF8574P 3.88$
1 × nano v3.0 ft234chip 9$
1 × IC Socket Adaptor 1.6$