http://www.instructables.com Member Feed Thu, 23 May 2013 20:30:23 PDT BLOX v1.01 http://www.instructables.com/answers/Any-ideas-on-how-to-make-a-kind-of-rotatory-sensor/?comments=all#CUJONOVHGH6JKC2 CUJONOVHGH6JKC2 rickharris By: rickharris

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Continue Reading »]]> Tue, 29 Jan 2013 03:18:03 PST http://www.instructables.com/answers/Will-this-555-circuit-for-8-leds-flashing-work/?comments=all#C02LO2IHBUZF3JA C02LO2IHBUZF3JA rickharris By: rickharris

Continue Reading »]]> Wed, 16 Jan 2013 14:08:58 PST http://www.instructables.com/answers/how-to-bead-a-shamrock-/?comments=all#CSCOVDJHBPBROIB CSCOVDJHBPBROIB rickharris By: rickharris

Continue Reading »]]> Wed, 9 Jan 2013 01:46:03 PST http://www.instructables.com/answers/An-ultra-violet-LED-and-a-photo-transistor/?comments=all#CVJZF82HBFFJM58 /files/deriv/F0W/PCNH/HBFFJM54/F0WPCNHHBFFJM54.SQUARE2.jpg /files/deriv/F0W/PCNH/HBFFJM54/F0WPCNHHBFFJM54.SQUARE.jpg /files/deriv/F0W/PCNH/HBFFJM54/F0WPCNHHBFFJM54.SMALL.jpg CVJZF82HBFFJM58 rickharris It looks like your sensor is Infrared. Check the part number if it has one.In general UV sensors tend to look like the attached photograph (google images)To make things happen You need:A resistor to control the current through the emitter!A look at the data sheet for the sensor you have.A typical IR...
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Continue Reading »]]> Sun, 6 Jan 2013 04:56:39 PST http://www.instructables.com/answers/How-do-you-make-an-Ebook/?comments=all#CE0UTG0HAQ32S9U CE0UTG0HAQ32S9U rickharris By: rickharris

Continue Reading »]]> Sat, 5 Jan 2013 22:15:20 PST http://www.instructables.com/answers/what-is-the-basic-way-of-using-leds-as-display-fro/?comments=all#CAZ47QYHBHGLG9I /files/deriv/FCF/E1F2/HAQ2ZF44/FCFE1F2HAQ2ZF44.SQUARE2.jpg /files/deriv/FCF/E1F2/HAQ2ZF44/FCFE1F2HAQ2ZF44.SQUARE.jpg /files/deriv/FCF/E1F2/HAQ2ZF44/FCFE1F2HAQ2ZF44.SMALL.jpg CAZ47QYHBHGLG9I rickharris In a 2D matrix as illustrated below any horizontal line is made positive and the appropriate vertical line negative to light individual LEDs
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Continue Reading »]]> Sat, 5 Jan 2013 08:33:48 PST http://www.instructables.com/answers/Common-materials-for-Clock-hands/?comments=all#CNQLASCHBHGL5DF CNQLASCHBHGL5DF rickharris By: rickharris

Continue Reading »]]> Thu, 3 Jan 2013 04:58:58 PST http://www.instructables.com/answers/where-can-i-get-a-bic-mechanical-pen-/?comments=all#CCAOUIBHAQ37QZM CCAOUIBHAQ37QZM rickharris By: rickharris

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Continue Reading »]]> Tue, 6 Nov 2012 00:32:48 PST http://www.instructables.com/answers/Break-circuit-when-connection-made/?comments=all#CEXY6C9H8RVCGUL CEXY6C9H8RVCGUL rickharris By: rickharris

Continue Reading »]]> Fri, 2 Nov 2012 06:42:06 PDT http://www.instructables.com/answers/Newly-hatched-Japanese-Quails/?comments=all#C8L7O1GH8I45CVW C8L7O1GH8I45CVW rickharris By: rickharris

Continue Reading »]]> Mon, 22 Oct 2012 00:45:52 PDT http://www.instructables.com/answers/led-display-using-555-timer/?comments=all#CRVLZODH8FYOR8T CRVLZODH8FYOR8T rickharris By: rickharris

Continue Reading »]]> Sat, 20 Oct 2012 01:38:51 PDT http://www.instructables.com/answers/What-is-the-best-way-to-power-this-motor/?comments=all#CRKU6SVH8AZK1WQ http://cdn.instructables.com/FW2/8G59/F6B7Q89E/FW28G59F6B7Q89E.SQUARE2.jpg http://cdn.instructables.com/FW2/8G59/F6B7Q89E/FW28G59F6B7Q89E.SQUARE.jpg http://cdn.instructables.com/FW2/8G59/F6B7Q89E/FW28G59F6B7Q89E.SMALL.jpg CRKU6SVH8AZK1WQ rickharris 1. The motor isn't 4 Kwatts continuously rated . I don't care what their web site says 100 volts x 80 amps is 8000 watts just by the way.For many reasons - e.g your not going to pass 40 amps down those wires for long., the windings are far too small a gauge for that power etc.A 250 watt continuous...
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Continue Reading »]]> Mon, 15 Oct 2012 01:04:08 PDT http://www.instructables.com/answers/How-do-i-make-a-Stirling-cycle-cooler/?comments=all#CC8N4L5H7UR8QON CC8N4L5H7UR8QON rickharris By: rickharris

Continue Reading »]]> Mon, 8 Oct 2012 11:49:19 PDT http://www.instructables.com/answers/How-do-i-build-a-super-cooler/?comments=all#CZ12HLHH7URBO57 CZ12HLHH7URBO57 rickharris By: rickharris

Continue Reading »]]> Sun, 7 Oct 2012 01:47:56 PDT http://www.instructables.com/answers/what-if-i-use-household-materials-to-carry-hydrog/?comments=all#CM19RHDH7UR86IY CM19RHDH7UR86IY rickharris By: rickharris

Continue Reading »]]> Sun, 7 Oct 2012 00:42:28 PDT http://www.instructables.com/answers/How-to-Attach-Small-Plastic-Trinkets-to-a-ShirtPa/?comments=all#CHB9XI6H7UR86IT CHB9XI6H7UR86IT rickharris By: rickharris

Continue Reading »]]> Sun, 7 Oct 2012 00:38:52 PDT http://www.instructables.com/answers/HOW-TO-BUILD-A-SIMPLEST-AUDIO-AMPLIFIER-IWTH-NO-IC/?comments=all#CINZ9GOH7UR86IQ CINZ9GOH7UR86IQ rickharris By: rickharris

Continue Reading »]]> Sun, 7 Oct 2012 00:37:49 PDT http://www.instructables.com/answers/3D-printed-or-CNC-broken-expresso-stove-top-replac/?comments=all#C8DBSS5H7S4ZZV9 C8DBSS5H7S4ZZV9 rickharris By: rickharris

Continue Reading »]]> Wed, 3 Oct 2012 10:26:51 PDT http://www.instructables.com/answers/Buying-nuts-and-bolts/?comments=all#CY3HTA9H7ME2TTB CY3HTA9H7ME2TTB rickharris By: rickharris

Continue Reading »]]> Fri, 28 Sep 2012 03:52:41 PDT http://www.instructables.com/answers/What-is-your-favourite-ice-cream-flavour/?comments=all#C9K2U0YH7ANT6P8 C9K2U0YH7ANT6P8 rickharris By: rickharris

Continue Reading »]]> Mon, 24 Sep 2012 03:46:47 PDT http://www.instructables.com/answers/More-volts-to-electric-bike-safe/?comments=all#CGZI2OIH7A8PAHX CGZI2OIH7A8PAHX rickharris By: rickharris

Continue Reading »]]> Fri, 21 Sep 2012 04:05:46 PDT http://www.instructables.com/answers/How-to-use-the-sound-amplifier-out-of-a-alarm-cloc/?comments=all#C69XHALH7434ZMW /files/deriv/FBN/QEH9/H742YVS6/FBNQEH9H742YVS6.SQUARE2.jpg /files/deriv/FBN/QEH9/H742YVS6/FBNQEH9H742YVS6.SQUARE.jpg /files/deriv/FBN/QEH9/H742YVS6/FBNQEH9H742YVS6.SMALL.jpg C69XHALH7434ZMW rickharris The radio side of the alarm clock will look something like the attached diagram.Perhaps the best way is to keep everything together - look for the Speaker connections and trace them back until you find either an IC or a bunch of transistors that will be the audio amplifier.Find an audio source that ...
By: rickharris

Continue Reading »]]> Mon, 17 Sep 2012 00:30:38 PDT http://www.instructables.com/answers/Fun-with-rockets-and-planes/?comments=all#CCC436WH703KTFT CCC436WH703KTFT rickharris By: rickharris

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Continue Reading »]]> Wed, 12 Sep 2012 03:41:10 PDT http://www.instructables.com/answers/should-I-write-a-novel-or-short-story/?comments=all#CQQAUMQH6S4GIHZ CQQAUMQH6S4GIHZ rickharris By: rickharris

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Continue Reading »]]> Mon, 10 Sep 2012 03:51:41 PDT http://www.instructables.com/answers/Gravity-water-lenses-Whats-the-best-material-for/?comments=all#C8V4XXGH6MF2SJL C8V4XXGH6MF2SJL rickharris By: rickharris

Continue Reading »]]> Tue, 4 Sep 2012 00:18:49 PDT http://www.instructables.com/answers/Campinghiking-stoves-which-is-for-me/?comments=all#CUJ7P4DH67NSGJC CUJ7P4DH67NSGJC rickharris By: rickharris

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