Nixie kitsVFD IV-6 clock kitVersion 1.06 for 6 1040 or 6 Z566M tubes [595 KB] Version 1.08 for small and big tube pcb [711 KB] Nixie Thermometer Software Version 7.0 [643 KB] 2 digit clock with B7971 [71 KB] or ZM1350 [146 KB] alphanumeric tubesDocumentation of how to connect the tube pcb V1.08b [641 KB] to the clock pcb V1.04The old kit versionsDocumentation Version 5.3 [234 KB] for 2 ZM1350 or 2 B7971 tubesDocumentation Version 5.5 [410 KB] Documuntation Version 5.6 [688 KB] Documentation IV-18 kit "Harp clock"Schematics and Bill of material IV-18 kit "harp clock" High resolution pictures showing how to build the clock IV-18 kit Small video showing time and date running IV-18 kit (.mov format) VFD IV-6 clock kit