Electronics For Kids – LED Christmas Tree

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 […]

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ABB DCS400 – 900A / 522kW DC Motor Drive Teardown

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

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Philips Medio 50 kW CP-H X-ray Control Desk Teardown

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

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Fujifilm PMT26A Photomultiplier Tube Reverse Engineering

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

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Brandenburg Alpha Series II 5 kV Power Supply

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

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X-ray Image Laser Scanner Reverse Engineering.

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

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Philips PCR Eleva S, X-ray Image Scanner Teardown

This is a complete teardown of a Philips / Fujifilm PCR Eleva S x-ray image scanner system. Full of stepper motors, laser stuff and photomultiplier tube! If you are specifically interested in x-ray equipment and x-ray image scanners, you are in luck. I have done numerous teardowns and reverse-engineering videos on this kind of equipment.

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