Instructables: exploring - technology - sensors - fun Tue, 13 Oct 2015 00:46:38 PDT BLOX v1.01 DIY Infrared Proximity Sensor (Arduino Compatible)
DIY Infrared Proximity Sensor (Arduino Compatible) - More DIY How To Projects]]> xBacon Ever looked on Sparkfun or Adafruit for some cool robot parts, and saw those expensive IR and Ultrasonic proximity sensors? I have, and I really wanted one, but they're so expensive ($30-$40 or more) so I decided that I could make one myself with the parts I had on hand for way less. What I came up...
By: xBacon

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Sun, 2 Sep 2012 17:40:23 PDT
add music to your room/ enter your room with music
add music to your room/ enter your room with music - More DIY How To Projects]]> ade souza things need:- I) old mp3 with inbuilt speaker or ever cheap mp3 player will do. II)Insulated copper wires. III) solder IV)battery 3v V)touch switch found in CD roms. VI)speaker motor metal strips connection the wires from the switch should be connected to the battery and motor. the axle or the...
By: ade souza

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Tue, 22 May 2012 07:34:55 PDT
Sneaking in the Fridge?
Sneaking in the Fridge? - More DIY How To Projects]]> JamecoElectronics Sounds are coming from the kitchen late at night. One morning a slice of pie is mysteriously missing. What's going on? Who's sneaking into the fridge? Build this simple alarm circuit to catch the midnight snacker in the act! When the refrigerator door is closed, the alarm is quiet. When the refrig...
By: JamecoElectronics

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Sat, 30 May 2009 17:24:26 PDT
Presure Switch Alarm
Presure Switch Alarm - More DIY How To Projects]]> robotix An alarm to keep intruders out for practicly no money! Very effective and scares intruders. Extremly easy, maybe to easy. Gather your things. Ok you will need:One medium sized piece of cardboard-strong not flimsy.An alarm or piezo or hor or somthing that makes loud noise.One short piece of wire.A...
By: robotix

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Thu, 12 Apr 2007 00:54:40 PDT
Tilt Activated Switch
Tilt Activated Switch - More DIY How To Projects]]> frank26080115 It's a 3 position SPDT switch that closes (on) when tilted. Made with 3 pieces of plastic, a washer, and three machine screws + nuts. I made this switch as a hack for a cheap r/c car controller, inspired by the wiimote controlled car.I just realized, this can also double as a pedometer or a shake se...
By: frank26080115

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Sat, 10 Feb 2007 16:45:44 PST