Dome Light Dimmer

I have been try­ing to repli­cate the inte­rior light func­tions of some of the newer cars for some time now. I like how they stay on after the door is closed and then fade away. This is also called the­ater lighting.

This cir­cuit is based around the ever use­full 555 timer, and an N chan­nel MOSFET.

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RCA HD52W58 TV

Today I fixed my Par­ents’ RCA TV. It has a prob­lem that a lot of RCA TVs have in this model line. The Hor­i­zon­tal Out­put Tran­sis­tor goes out and the TV will not power on. Instead it just makes a high pitched sound and clicks (that is the fly­back try­ing to start).



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