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Joined 1 year ago
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Cake day: July 7th, 2023

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  • No.

    Sand to wafers… Fortunately, there is no shortage of raw material. Silicon is the second most common element in the earth’s crust, comprising about 26% and exceeded only by oxygen at 49%. But silicon does not occur naturally in the pure form needed for electronic applications, for which it must contain less than one in a billion non-silicon atoms. The starting material really is sand. Not just any sand, but silica sand, specially quarried for this purpose and having concentrations of quartz (silicon dioxide) as high as 95%.

    https://semiengineering.com/from-sand-to-wafers/









  • I have my lights set to turn on slightly before I am supposed to wake, turn off after I go to work, before I return from home, and after I go to bed. I’ve recently added mmwave sensors to turn them on and off based on my presence within a room. I can do all kinds of automations that I could do manually sure but if I don’t need to and can minimize the amount of excess energy waste then why wouldn’t I want a wirelessly controlled switch and or lights?

    And yes most everyone can do this. Google Home Assistant and get lost in the rabbit hole.