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This is a DIY Geiger Counter Kit, that was designed due to popular demand. Now, all those asking for a uRADMonitor Kit have a nice alternative in this device. This circuit uses a single layer PCB and only trough hole components, making the construction so much easier for all the DIY enthusiasts. But this is not to replace the uRADMonitor model B, which will follow later this year.

[](https://www.youtube.com/watch?v= 0XXiAM1V0O4 "uRADMonitor")

The unit can be used to push data to the uRADMonitor network, is an enc28j60 mini Ethernet module is added, and the firmware code is compiled with Ethernet support.

Construction details available on my blog, variant 1.0 and the newer variant 1.1.

Source code (both firmware and PCB layout) are released as open source, under GPL v3 or newer.