Added Geiger Counter to the cookbook (#2382)
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Geiger counter RadiationD v1.1 (CAJOE)
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======================================
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.. seo::
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:description: Instructions for setting up RadiationD v1.1(CAJOE) sensor in ESPHome and calculate the current radation level.
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:image: radiationD-v1-1-cajoe_small.jpg
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:keywords: Radiation Geiger counter
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With the help of :doc:`/components/sensor/pulse_counter` and the RadiationD v1.1(CAJOE) you can make your own Geiger counter, which will give you
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a more or less precise messurement of the current radation level. But it should be good enough to warn you about critical events.
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Assambly:
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---------
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.. figure:: images/radiationD-v1-1-cajoe_small.jpg
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:align: center
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:width: 100.0%
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The first step is to connect the sensor.
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You just need to connect the +5V, the ground and a GPIO pin to the ESP.
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In my case I used the pin 34 for the signal. (The print on the PCB is wrong VIN is the signal.)
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This setup should give you the pulse of each messurement or count. For more information check the Video of `Andreas Spiess <https://www.youtube.com/watch?v=K28Az3-gV7E>`__.
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Housing:
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*********
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I just 3D printed an small housing the avoid touching the high voltage Geiger Mueller tube.
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`Counter Tube Case <https://www.thingiverse.com/thing:5425224>`__
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(The tube should not be in direct sunlight. So maybe you will need another case.)
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Configuartion:
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---------------
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The block :doc:`/components/sensor/pulse_counter` will count the radation events per minute.
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With the found specs of the tube you will be able to calculate the radiation in μSv/h.
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It's just the counts per minute (CPM) times the factor of your Geiger Mueller tube you're using. It should be the J305ß, which comes with the PCB.
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(To make sure - check your printing on the tube)
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μSv/h = (CPM - Tube noise) * Factor
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According to the video of `Andreas Spiess <https://www.youtube.com/watch?v=K28Az3-gV7E>`__ the tube should have about 12 CPM as background noise.
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.. note::
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The current version of the pack comes with the J305ß Geiger tube which detectes Beta and Gamma radiation. Specifications:
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Manufacturer: North Optic Radiation Detection: β, γ Length: 111mm Diameter: 11mm Recommended Voltage: 350V Plateau Voltage: 360-440V
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Sensitivy γ (60Co): 65cps/(μR/s)
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Sensitivy γ (equivalent Sievert): 108cpm / (μSv/h)
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Max cpm: 30000
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cps/mR/h: 18
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cpm/m/h: 1080
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cpm/μSv/h: 123.147092360319
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Factor: 0.00812037037037
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`Source: opengeiger.de/LibeliumDoku.pdf <http://www.opengeiger.de/LibeliumDoku.pdf>`__.
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.. code-block:: yaml
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sensor:
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- platform: pulse_counter
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pin: 34
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name: "Radiation"
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unit_of_measurement: 'μSv/h'
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count_mode:
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rising_edge: DISABLE
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falling_edge: INCREMENT
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filters:
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- offset: -12.0 # J305ß Geiger Mueller tube background noise 0.2 pulses / sec x 60 sec = 12 CPM (Counts per Minute)
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- multiply: 0.00812037037037 # Factor: 0.00812037037037
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See Also
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--------
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- :doc:`/components/sensor/pulse_counter`
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- :ghedit:`Edit`
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@ -756,6 +756,7 @@ Cookbook
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EPEVER Tracer, cookbook/tracer-an, tracer-an.jpg
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Ilonda Wifi Smart Fish Feeder, cookbook/ilonda-wifi-smart-fish-feeder, ilonda-wifi-smart-fish-feeder-cookbook.jpg
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AirGradient DIY Air Quality Sensor, cookbook/air_gradient_diy_air_quality_sensor, air_gradient_diy_air_quality_sensor.jpg
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Geiger Counter, cookbook/geiger-counter, radiationD-v1-1-cajoe_small.jpg
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Do you have other awesome automations or cool setups? Please feel free to add them to the
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documentation for others to copy. See :doc:`Contributing </guides/contributing>`.
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