PocketMagic

A digital dosimeter design that can be used with multiple geiger tubes, constructed around the atmega8 microcontroller and a 2×16 LCD. Equipped with a radio Bluetooth module for remote operation.

by Radu Motisan | December 1st, 2012 | Tags: atmega8, bluetooth, digital, diy, dosimeter, dosimetry, geiger counter, geiger muller, homemade, microcontrollers, SBM-19, SBM-20, STS-1 | Category: Electronics, Hardware, Nuclear | Comments (11)

Build a disc shaped flyback secondary. A robust new design, that will do a great job in your High Voltage projects.

by Radu Motisan | March 26th, 2011 | Tags: diy, epoxy, flyback, High Voltage, homemade, secondary coil, zvs | Category: Hardware, High Voltage | Comments (2)

An article presenting a simple DIY Geiger Muller counter using the Russian tube SI-22G and a single transistor regulated inverter that puts out 400V, as required by the tube. A very basic detector assembled in 5 minutes. See an operation comparison to the Radex RD1706.

by Radu Motisan | March 21st, 2011 | Tags: dosimeter, geiger counter, geiger muller, homemade, radex, radiation, RD1706, SI-22G | Category: Electronics, Hardware, Nuclear | Comments (41)

Build your own indestructible flyback secondary

by Radu Motisan | April 17th, 2010 | Tags: flyback, High Voltage, homemade, zvs | Category: Hardware, High Voltage | Comments (4)

How to make a high voltage capacitor in a few steps. See a video with my 19nF/10kV capacitor, with under 1$ cost.

by Radu Motisan | July 16th, 2009 | Tags: capacitor, High Voltage, homemade | Category: Hardware, High Voltage | Comments (14)