Here is a little sample pack I did while working on other bigger projects.
It contains 100 samples: 50 Switches and 50 electrical motors, all recorded with a Zoom H1.
I made a quick demo with some of the sounds for you to check out:
The whole pack is released under a CC license and is 100% free:
Feel free to listen to my free tunes while you whait for the download and check out my other free samplepack while you’re at my page