- Nixie shield mainboard pcb - [schematic](https://github.com/marcinsaj/Nixie-Clock-Thermometer-Hygrometer-Arduino-Shield/blob/master/datasheet/Schematic-Nixie-Clock ...

If you didn't think you could make a high speed photography trigger or hack together some creepy googly eyeballs for Halloween, then you've got another think coming, because learning how to use ...