Electronics
General electronics projects. Reverse engineering of industrial electronics. Smaller projects that you can make at home or for school.
3x400V Mains Supply Soft Start and Data Monitor
Construction of a 3 phase 400 VAC at 32A mains supply soft start circuit with safety features and a data monitor. Pictures and schematics: https://kaizerpowerelectronics.dk/general-electronics/3-phase-32a-400vac-soft-start-power-supply/ All parts like enclosure, current transducers, voltage step down, contactors and wiring is reused from my 3 phase 13 A Lübcke variac build, that unfortunately had one of the auto …
Scrap Yard IGBTs and MOSFETs from Solar Inverters, Welding Machines and Induction Cookers
A look at a bag of IGBTs and MOSFETs that I quickly salvaged from industrial electronics. Found in induction cookers, solar inverters, welding machines, car and battery charges. It can also be other common high power electronics with switching inverters. Discussion of salvaging IGBTs/MOSFETs: https://highvoltageforum.net/index.php?topic=2117.0 These TO-247 IGBTs can be used in a DRSSTC Tesla …
[PAYOUT] Computer Gold Scrap Money WITHOUT Chemicals or Mechanical Processing (Part 2 of 2)
Old electronics and expensive RF parts often contain a large amount of gold and other precious materials. For an introduction to how and where all this was collected and see what different parts it was, check out Computer Gold Scrap Money WITHOUT Chemicals or Mechanical Processing (Part 1 of 2) Prediction before shipping goods off …
Computer Gold Scrap Money WITHOUT Chemicals or Mechanical Processing (Part 1 of 2)
Old electronics and expensive RF parts often contain a large amount of gold and other precious materials. I have seen a lot of Computer Gold Scrap recovery videos on youtube. I assume that you have seen the same. Some are handling everything correct, but truth is, with the dangerous and hazardous nature of the dust …
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Home Automation: DIY Arduino vs. Airthings View Plus
Comparison of my DIY Arduino Uno DHT22 temperature and humidity IOT sensor with ESP8266 WiFi module. Up against the commercial Airthings View Plus sensor hub which can do radon, temperature, humidity, pressure, VOC, PM and CO2. This video is also a complete walkthrough of how I built the Arduino solution and how to setup the …
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Server PSU Hack – ACBEL FSA021 IBM 39Y7228, 12VDC 38A 460W
A guide on how to make the, ACBEL FSA021 IBM 39Y7228, server power supply run outside of its server enclosure. You might also be interested in reading about the Server PSU Hack – HP DPS-800GB A, 12VDC 1000W or the Server PSU Hack – EMC2 API4SG10 12VDC 300W From a Dell PowerEdge M1000E. ACBEL FSA021 …
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Fluke Helios Plus 2287A, 1500 I/O Frontend, Teardown and Test
Teardown, cleaning and test of a Fluke Helios Plus 2287A Data Acquisition Frontend and 2181A Extender. The Frontend and extender features two Fluke 2280A-161 High Performance A/D Converter 2280A161 cards and nine 20-channel RTD/Resistance Scanner modules, for a total of 180 inputs in this setup with a Frontend and Extender. Discussion of this equipment can …
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