General electronics projects. Reverse engineering of industrial electronics. Smaller projects that you can make at home or for school.
I found a discarded street light head at a scrap yard and wanted to give it a new life instead of being shredded. Re-use, re-purpose or re-invent. Do not just throw out stuff, see if you can use it in another way. The Earth Overshoot Day is something to take seriously. https://www.overshootday.org/ The original lamp […]
DIY 30W LED Work Lamp From a Discarded Street Light Read More »
Turn your old compact Canon camera into a high speed photography camera with Canon Hack Development Kit I bypass the battery pack and make the camera run on a power supply, as the CHDK software takes a lot of CPU power, I also add a fan to cool down the CPU and optics. CHDK: https://chdk.fandom.com/wiki/CHDK
Canon Ixus V70 Hack with CHDK for High Speed Photography Read More »
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 »
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 »
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 »
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 »
I wanted a small Bluetooth amplifier for my work shop and bought some cheap bare-board versions from Ebay. This TDA7498 design is over-advertised, but not as bad as other cheap bluetooth amplifiers from ebay. Test, frequency response and THD+n measurements show how good it compares to the promised performance of the TDA7498 datasheet. My own
Chinese 2x100W TDA7498 Amplifier – Test and THD+n Measurements Read More »
Teardown of a Eaton EX RT 5 kVA UPS model. The topology is a on-line double conversion with PFC (Power Factor Correction). The system is rated for a active power output of 5 kVA / 4 kW. I have also other teardown videos of 20 kVA UPS, 30 kVA UPS or even up to 60
Teardown of a 5 kVA / 4 kW Eaton EX5RT UPS System Read More »