The Dell N870P power supply origins from the redundant PSU for the Dell Poweredge R710 / T610 rack servers. This article and video shows how to make it run standalone. Pictures of the Dell N870P / NPS-885AB unit and its specifications. The list of hacked server power supplies gets longer and longer. Use my guides
Server PSU Hack – Dell N870P / NPS-885AB. 12V 71A 870W Read More »
I bought two 750 mm long and 70 mm diameter plasma tubes from Barracuda Glass by Chris Burak. These lovely borosilicate glass tubes are filled with a mix of iodine, argon and krypton, for a bright blue glow. The Tesla coil used, is one of my first Tesla coils ever built. The Kaizer VTTC 1.
750 mm Plasma Tubes and Vacuum Tube Tesla Coil Read More »
April, 9 years old and Alfred, 5 years old assemble and solder a LED blinking Christmas tree. Kids love to build stuff and electronics should be no exception to them! They build a 3D blinking LED Christmas tree. It only uses LEDs, resistors, capacitors and transistors, to blink the LEDs in 3 groups. The LEDs
Electronics For Kids – LED Christmas Tree Read More »
Teardown of a ABB DCS401.0900 DC motor drive. It can output an insane 900A at variable voltages, for a maximum output power of 522 kW! A very modular design by ABB, that makes almost no difference on the 2- or 4-quadrant versions of this drive. You love motor drives, inverters, variable frequency drives and all
ABB DCS400 – 900A / 522kW DC Motor Drive Teardown Read More »
I found a complete Philips Medio 50 CP-H system consisting of 2 meter tall 19″ rack with computer, driver, inverter and high voltage tank. Dual X-ray tube head rated for 150 kV and a control desk. It was only possibly for me to take the control desk with me. No effort was done for the
Philips Medio 50 kW CP-H X-ray Control Desk Teardown Read More »
The Fujifilm PMT26A photomultiplier tube module came from a teardown. The teardown of a Philips / Fujifilm PCR Eleva S / CR-IR 357 X-ray image scanner for computed radiography, became the basis for this reverse engineering project. You can see the teardown of the entire Fujifilm PCR Eleva S machine here. Teardown of the polygon
Fujifilm PMT26A Photomultiplier Tube Reverse Engineering Read More »
The Brandenburg Alpha Series II 5 kV Power Supply is from Great Britain and made in 1977. The model 2507r is specified for 500 to 5000 VDC at 5 mA, around 100 VA power rating. I bought this Brandenburg Alpha Series II 5kV high voltage power supply from a University in France, cleaning out. I
Brandenburg Alpha Series II 5 kV Power Supply Read More »
Reverse engineering of laser scanner module from a Philips / Fujifilm PCR Eleva S x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job of scanning a x-ray exposed image plate with a laser beam and extract each pixel illumination with a photomultiplier tube setup. Part 1 pictures and long
X-ray Image Laser Scanner Reverse Engineering. Read More »