Credit: Anonymous
Monthly Archive: December 2009
Dec
11
Badly damaged motherboard
Credit: Anonymous
Dec
11
Varistor on UPS cracks
The burned part shown appears to be a MOV (Metal-oxide Varistor). The purpose of a MOV is to have a very high resistance until a certain voltage is reached at which point it will conduct current, in this case from “Hot” to “Neutral.” This property is useful for surge protectors. Original poster says this UPS …
Dec
10
555 timer in baby 10 sequencer cracked
A simple analog sequencer referred to as a baby 10 (step) sequencer is shown with a ICM7555IPA 555 timer cracked down the middle. Credit: http://www.flickr.com/photos/collinmel/ / CC BY-NC-SA 2.0