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 $US).It was all unloaded in a big
Dell PowerEdge M1000E Blade Server Teardown Read More »
There is a huge difference from the very cheap 8×8 pixel thermal cameras, to the 32×32 and up to the 160×120++. The price seems to quadruple with the pixel count. In this video I am testing the HTi HT-02D Thermal camera that I was able to get at 100$ on offer. This is not a
100$ Thermal Camera With 32×32 Pixel. HTi HT-02D Unboxing And Test 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
Star Wars – Imperial Death March, on a Musical Tesla Coil 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
Doom 2 – Readme, on a Musical Tesla Coil Read More »
Teardown 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. Nokia Siemens Flexi 3x90W FXEB 1800MHz base station teardown: Power amplifier (part 2 of 2)
In a celebration of reaching 10,000 subscribers on Youtube, I blew up some pieces of wire with my 2500uF / 2kV Maxwell energy discharge capacitor storing 4kJ of energy. I also started a new dedicated slow motion video channel, please subscribe if you like to see more non-electronics videos recorded at high speeds: https://www.youtube.com/channel/UCB2qu77PCr5i9zcs0sOhp4w/
10,000 subscribers on Youtube and Capacitor Discharge Explosions Read More »