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    EEVblog #821 – Mailbag

    EEVblog #821 – Mailbag

    More Mailbag! Extended Teardown Video HERE Forum HERE SPOILERS: Military Mystery Item Teardown – UPDATE: ...

    • none

      So where’s pt 2?

      • http://www.eevblog.com EEVblog

        Sorry, I had to get some sleep. The Youtube uploads take longer because they are much bigger files. Part 2 was available as a direct MP3 download, so those who watch that way (iTunes ect) have already seen it! Uploading to Youtube now.

    • http://elcoyotequesuelda.blogspot.com/ Lucassiglo21

      Great!, stargate references!(ZPM) i love that series.

    • James

      Hi David, I love the eps where you actually open something up and give a brief description, would you mind giving a short description of how diodes can be used to detect temperature?

      • Lionel

        With silicon diodes, Vf changes with temperature in a very predictable way, so they make a great “poor mans” temperature sensors. They’re not so good for measuring absolute temperature, but they’re very reliable for measruing temperature differentials (eg; ambient vs local). Check the data sheet for a 1N4148 or 1N4001 for details.

    • eydryan

      I love your shows, great fun :)

      Esp loved the one with audiophoolery 😀

      your stuff is really great, keep making them , first one i saw was about capacitors and it was really interesting.

      can’t wait for pt2 :)

    • http://www.jonkay.org Jon Kay

      Hi Dave. Well done on the blogs. I especially loved the rant 3:00 minutes into #35 with the Star Trek & Stargate references as did my 17 year old son. More of these humorous bits please 😉
      Anyway great job, keep them coming!


    • Aki

      Bought a Varta 15 minute NiMH Battery Charger and got to say maybe I should not have purchased one. The leds are shining in red with the batteries it came with.

    • http://www.prettygoddess.com Pretty Russian Women

      most battery chargers do not have an automatic termincation if the batteries are fully charged already ‘

    • Aki

      “Problems with Varta 15 minute charger”