Sensitive and affordable geiger counter with Bluetooth LE support

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Geiger counter with a superior design, but also with hacking possibilities. You can use either UART or Bluetooth LE connection to extract data and work with the configuration of the device.

It can detect alpha, beta, gamma and X-ray radiation.

Due to it unconventional power converter design device is miniaturized and the weight is only around 100g, and that included 1100mAh battery.

We are also planning to introduce a light version without battery, but with 3.3v and 5v inputs. This way you could connect device for example to a drone that already has a battery on board and doesnt need extra weight.

Checkout blog on our website: Radium Blog and signup for Kickstarter update, we hope to start our campaign early January 2015.

  • 1 × nrf51822 Cortex M0 BLE transciever
  • 1 × GM tube equivalent of LND7317

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c.lamport wrote 05/01/2015 at 13:43 point

Were there ever any schematics or code for this? It looks very interesting but unfortunately the kickstarter looks like it didn't succeed

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Sergey wrote 05/02/2015 at 15:58 point

They do exist:) but they are not opensource im afraid.

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0xCAFEAFFE wrote 01/23/2015 at 19:41 point

Very nice build! I'm currently also building a geiger counter! What is your current consumption?

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Radium wrote 01/23/2015 at 20:02 point

Thanks! Once its on with Bluetooth and OLED it consumes around 20mA. And yours?

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0xCAFEAFFE wrote 01/24/2015 at 01:42 point

My geiger currently drains about 500µA! (with regulated 400V supply, display and microcontroller) But i especially tried to get current consumption down to an absolute minimum :)

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Sergey wrote 02/19/2015 at 19:25 point

Sorry missed your comment. Thats amazing! What kind of 400v supply are you using?

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Radium wrote 12/11/2014 at 10:11 point
Thanks for the comment Zack. The tube we are using survives transportation in a plane (we had it delivered by DHL and I also had it in my checked in luggage), so there is no problem with that. We will provide a plastic cap that would screw on top of the device. I excluded it on the picture just to show the tube. We also plan to add an aluminum cap to filter out alphas and betas for those who just want measure gamma radiation.
The price we are aiming for would be 239 euro and there will be also special price for early birds on Kickstarter.

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zakqwy wrote 12/11/2014 at 13:20 point
Makes sense. Great design, can't wait to see more details!

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zakqwy wrote 12/11/2014 at 00:39 point
Great project. Looks like your tube of choice is quite sensitive (alpha out of a GM!) but also fairly expensive and quite delicate, to the point that they are shipped in pressure controlled cans. Any plans for protecting the tube from physical damage in your design? What is your target price point?

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