There are several other server power supply hacks available here on the site. Use the search in the menu to the right to find them. A guide on how to make the, EMC2 API4SG10 (Dell# 071-000-482) , server power supply run outside of its server enclosure. A simple bridge between control pins next to the
Server PSU Hack – EMC2 API4SG10 12VDC 300W From a Dell PowerEdge M1000E Read More »
Circuit analysis of a Nokia Siemens Networks Flexi Multiradio base station. This have been in service as a 3 antenna system for mobile telecommunications. GSM/EDGE, WCDMA/HSPA and LTE capable. 3×70 Watt output power. Part 1 of the actual base station amplifier teardown can be seen here. Power supply The power supply is split into a
Nokia Siemens Flexi 3x70W FXEA 1800MHz Base Station Circuit Analysis (Part 2 of 3) Read More »
The old rotten and leaking workshop wall and door appeared to be installed on top of an even older rotted wall. It was time to do it properly, I broke everything down and built a new wall with fiber cement, insulation and some proper wood panels on the inside.
Workshop Wall Repair to Avoid Water, Wind and Moist Read More »
Played on my own DRSSTC2 Tesla Coil: https://kaizerpowerelectronics.dk/tesla-coils/kaizer-drsstc-ii/ Learn how to build your own DRSSTC to play music: https://kaizerpowerelectronics.dk/tesla-coils/drsstc-design-guide/ MIDI/Music interrupters you can build yourself 4 channel polyphonic MIDI: https://highvoltageforum.net/index.php?topic=1020.0 1 channel compact/simple USB MIDI: https://highvoltageforum.net/index.php?topic=1117.0 1 channel analog audio: https://kaizerpowerelectronics.dk/tesla-coils/musical-sstcdrsstc-interrupter/ Learn how to build your own Tesla coil and how to make it play
Portal – Still Alive, on a Musical Tesla Coil Read More »
This is 9! 12V/7A server fans built into a fan cluster with handles! It is time to wreck some havoc and play with fire and smoke! I did not realize just how much fire was sucked through the fans until after I saw the photage. As seen in the pictures on the forum link there
750+ Watt Turbo Fan Cluster Project From a Dell PowerEdge M1000E Server Read More »
During my vacation at the island of Langeland, Denmark, I found a washed up radioprobe from a German weather balloon on the beach. It is a Vaisala RS41-SGP single use instrument in a styrofoam enclosure that can measure air temperature, humidity, pressure, speed and direction. It uses a STM32F100 microcontroller as the heart of the
German Weather Balloon Teardown, Vaisala RS41-SGP Probe Read More »
A guide on how to make the, HP DPS-800GB Rev. A, server power supply run outside of its server enclosure. Be sure to check out the related posts or make a search here on the site for other server power supply hacks. A simple bridge between pin 31 and 34 is required and it is
Server PSU Hack – HP DPS-800GB A, 12VDC 1000W Read More »
I came by a discarded full size Dell PowerEdge M1000E server rack. Full SAN, 2 large blade servers, 4 or 6 backbone switches, all power supplies and fans. This is a system that is about 8-10 years old and had a new price of around 1000000 DKR (166666 $US).It was all unloaded in a big
Dell PowerEdge M1000E Blade Server Teardown Read More »