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 […]
Home Automation: DIY Arduino vs. Airthings View Plus Read More »
A guide on how to make the, Artesyn 7001138 IBM 24R2730, server power supply run outside of its server enclosure. It might not be a complete teardown, but I do give a quick rundown on how the circuit works, in functions. To learn how to hack other server power supplies, check out these articles. Server
Server PSU Hack – Artesyn 7001138 IBM 24R2730, 12VDC 69A 830W Read More »
A long and hard journey for a better basement laboratory is nearing the end of the destruction phase! Insurance claims had to be settled, work paid by insurance had to be done and in between there was a lot of hard work to do ourselves. Introduction to this project can be found in Part 1.
Basement Laboratory Renovation – Teardown Part 2 Read More »
Test and teardown of a Eaton 9355 UPS (formerly the Powerware 9355). It is a three-phase, double-conversion online UPS. Output power ranges from 10-15 kVA in a changeover scenario as follows: 150% for 5 sec / 125% for 1 min (online), 110% for 10 min. Battery type is 9 Ah, sealed, lead-acid, maintenance-free. Battery charger
10 kVA Eaton UPS Teardown – Model PowerWare 9355 Read More »
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
Server PSU Hack – ACBEL FSA021 IBM 39Y7228, 12VDC 38A 460W Read More »
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
Fluke Helios Plus 2287A, 1500 I/O Frontend, Teardown and Test Read More »
Teardown of a standalone x-ray head from Showa (Made in Japan). Capable of outputting 100 kV at 35 mA for up to 10 second exposure times. It comes as a complete unit with collimator, only to be supplied with 230 VAC and operated with external trigger. If you like to see more teardown articles, pictures
Showa SP-103 Standalone X-ray Head Teardown Read More »
Teardown of a 8 kW induction cooktop, supplied from 2 single phase mains and neutral. Modular construction with two inverter modules and changeable coils. To get a full explanation on Quasi-Resonant induction heaters, check out my teardown and hacking videos on the IKEA Tillredda induction stoves. Induction Heater Coils The induction stove coils are almost
8 kW Induction Cooktop Teardown Read More »