An analog nixie Tube Thermometer based on a IN-13 Nixie bar graph tube. Uses a Teensy 3.2 microcontroller to display temperature readings from a DS-18B20 1-wire temperature sensor.
This is a n in-work project!
Major hardware: IN-13 Nixie bar-graph tube (ebay.com) High voltage power supply module, such as a NCH8200HV 5V to 170V convertor (ebay.com) Teensy 3.2 microcontroller (PRJC.com) PC Board - eagle files included 3D printed display mount and spacers - STL files included Laser cut acrylic display - laserdraw files included ULN2003 IC, RGB Leds, resistors, transistors...
3D Printed objects available on TinkerCad.com https://www.tinkercad.com/things/9rIuJBIbugg-nixietherm/edit