2013 m. spalio 18 d., penktadienis

Use of the IMEX-38-56 High Voltage generator - iPhone Geiger Counter (Geiger Bot app)

Here below I publish shematics and video of the working prototype of the iPhone connect-able Geiger Counter which works with iPhone (Geiger bot app)

The high voltage generator seen in the video above is on eBay - item number 161121230169
The link is http://www.ebay.com/itm/161121230169

(note transistor here is 2N3904 but any similar/popular NPN type would do either)

The whole schematics runs on 2xCR2025 3V batteries (6V). Batteries theoretically should last more than a year as theaverage power consumption is something around 10uA(10^-6A).

In the video it works with GeigerBot https://sites.google.com/site/geigerbot/
which is freely downloadable from appstore

Dimensions of the prototype board you see here are:

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