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  1. J

    Tech Supplies down

    Anyone have any idea when Tech Supplies storefront will be back again? Seems to have lost connectivity from the perl webapp to Sybase. (Hmm - Perl webapp running on Windows against a Sybase server - not the obvious choice!)
  2. J

    Open Collector Switch: driving Velleman VM129

    I'm a complete klutz at hardware so this may be blindingly obvious, but I need to make sure. I wish to use a PICAXE to control a Velleman VM129 relay card (http://www.esr.co.uk/velleman/index_modules.htm). The manual describes the connections for using switches (turn on relays by completing...
  3. J

    Simple serial network

    This is probably an 'of course' but I've never done anything like this before. Background: I have a 4-wire cable in my selfbuild on which I was going to put DS OneWire devices directly, for temperature management, but now I'm having second thoughts. I''m considering a series network of the 8...
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