Geiger Counter Enclosure (CAJOE RadiationD v1.1 with optional ESP8266)

Enclosure for the CAJOE RadiationD v1.1 geiger counter, with space for an ESP8266 for integration with home assistant.
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updated January 7, 2025

Description

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An enclosure for the CAJOE RadiationD v1.1 geiger counter, with space for an ESP8266 for integration with home assistant through ESPHome. Works just fine without the ESP8266 as well. The lid has little notches to press-fit into place.

Print Settings:

  • Lid: color the letters and symbols in your slicer if you have a multicolor printer. 
  • Lid: print with letters up, using support on bottom/sides
  • Case: print with screwholes on build plate, using support on bottom
  • Led inserts (optional): print in transparent filament

Required parts:

  • 8x m3 screws (any size that fits, avoid flat socket types)
  • 4x m3 hex nuts for ESP8266
  • 4x risers (supplied with CAJOE Geiger counter)

Assembly:

  • Mount the geiger counter with 4 m3 screws from below
  • Insert the 4 m3 screws for the ESP8266 from below, and screw on the risers 
  • Place the ESP8266 on top of the risers, secure with m3 hex nuts

Software:

Tips:

  • Remove the jumper on J1 to stop the ticking pulse sound. Source: https://www.richardmudhar.com/blog/2023/10/cajoe-ebay-geiger-counter-kit/
  • Look up the specification of your tube, and adjust the multiplier in the ESPHome code

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Model origin

The author marked this model as their own original creation.

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