PocketMagic

A homemade/DIY security system using a webcam, a low power server and a surveillance software.

by Radu Motisan | August 20th, 2010 | Category: Electronics, Hardware, Security, Software | Comments (1)

The DRSB-01 is a simple Geiger Counter device that can be used to detect normal vs. dangerous levels of ionizing radiation (gamma and beta).

by Radu Motisan | August 11th, 2010 | Tags: dosimeter, geiger counter | Category: Electronics, Hardware, High Voltage, Nuclear, Reviews | Leave a comment

See how to build a case for a mini-itx computer board. A lot of processing power in a tiny box.

by Radu Motisan | August 8th, 2010 | Tags: case, mini-itx, server | Category: Electronics, Hardware | Comments (1)

Use a Peltier cooler and electricity of pump heat and freeze water.

by Radu Motisan | August 8th, 2010 | Tags: cold, peltier, TEC, thermo electric cooler | Category: Electronics, Hardware | Leave a comment

The CDV700 dosimeter variant 6B (newer) and a few mods to improve functionality: audio connector and bnc connector.

by Radu Motisan | July 20th, 2010 | Tags: audio mod, bnc mod, cdv700, dosimeter, geiger counter | Category: Electronics, Hardware, High Voltage, Nuclear, Reviews | Comments (1)

Build a DIY homemade Geiger Muller Counter using the Pancake Russian tube CI14B/SI14B . Schematics included.

by Radu Motisan | July 12th, 2010 | Tags: dosimeter, geiger counter, pancake geiger tube, sensitive geiger tube, si14b | Category: Electronics, Hardware, High Voltage, Nuclear | Comments (4)

A short review on the Radex RD1706 dosimeter, how good it is, and how can it be compared to other dosimeters, eg. the Terra-P MKS-05.

by Radu Motisan | April 27th, 2010 | Tags: dosimeter, geiger counter, RD1706 | Category: Hardware, High Voltage, Nuclear, Reviews | Comments (2)

Build your own indestructible flyback secondary

by Radu Motisan | April 17th, 2010 | Tags: flyback, High Voltage, homemade, zvs | Category: Hardware, High Voltage | Comments (1)

A variable 0..30V power supply for max 20ampers! See how to handle all the power and build your own reliable lab power supply.

by Radu Motisan | February 21st, 2010 | Tags: high power supply, LM317 | Category: Electronics, Hardware | Comments (44)