Instructables: exploring - technology - sensors - sensor - featured http://www.instructables.com Tue, 29 Jul 2014 03:15:07 PDT BLOX v1.01 RoomAlert- Intrusion Protection http://www.instructables.com/id/RoomAlert-Intrusion-Protection/
RoomAlert- Intrusion Protection - More DIY How To Projects]]> http://cdn.instructables.com/FEK/O7DN/HX1WCQ78/FEKO7DNHX1WCQ78.SQUARE2.jpg http://cdn.instructables.com/FEK/O7DN/HX1WCQ78/FEKO7DNHX1WCQ78.SQUARE.jpg http://cdn.instructables.com/FEK/O7DN/HX1WCQ78/FEKO7DNHX1WCQ78.SMALL.jpg landraka This was the creation for my open ended freshman engineering final project. We were told to build something that used electronics to improve the life of the public. It is my own design and idea, copy, improve and let me know what you have done with it in the comments. I attached a video a friend did...
By: landraka

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Fri, 20 Jun 2014 07:27:32 PDT
Pocket-Sized Ultrasonic Ruler http://www.instructables.com/id/Pocket-Sized-Ultrasonic-Ruler/
Pocket-Sized Ultrasonic Ruler - More DIY How To Projects]]> http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SQUARE2.jpg http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SQUARE.jpg http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SMALL.jpg bergerab Today everything is digitalized. Most of us don't bother to waste our time using maps, going to the record store, or even going to the DVD store anymore. So... why are so many people using tape-measures and rulers? Yes, they are reliable, but they are certainly not convenient. With innovations, such...
By: bergerab

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Sat, 14 Jun 2014 14:43:31 PDT
3D Contactless Mouse (Interactive 3D Position Sensor) http://www.instructables.com/id/3D-Contactless-Mouse-Interactive-3D-Position-Senso/
3D Contactless Mouse (Interactive 3D Position Sensor) - More DIY How To Projects]]> http://cdn.instructables.com/FQ0/LGKB/HV3QC5WG/FQ0LGKBHV3QC5WG.SQUARE2.jpg http://cdn.instructables.com/FQ0/LGKB/HV3QC5WG/FQ0LGKBHV3QC5WG.SQUARE.jpg http://cdn.instructables.com/FQ0/LGKB/HV3QC5WG/FQ0LGKBHV3QC5WG.SMALL.jpg birdyberth Recently, I have made this 3D contactless mouse, which I use to control (or to try to control) my computer cursor. You can see the functionalities in the video below : All the computation is made on the arduino leonardo, which emulates a mouse. In fact, it's a very simple vision system that uses onl...
By: birdyberth

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Mon, 2 Jun 2014 20:02:32 PDT
Micromouse(mobile robot) IR distance sensor board +tips http://www.instructables.com/id/Micromousemobile-robot-IR-distance-sensor-board-ti/
Micromouse(mobile robot) IR distance sensor board +tips - More DIY How To Projects]]> http://cdn.instructables.com/FK9/P7W4/HVKUHFSH/FK9P7W4HVKUHFSH.SQUARE2.jpg http://cdn.instructables.com/FK9/P7W4/HVKUHFSH/FK9P7W4HVKUHFSH.SQUARE.jpg http://cdn.instructables.com/FK9/P7W4/HVKUHFSH/FK9P7W4HVKUHFSH.SMALL.jpg gycka Hello and welcome to my first instructable! In this short instructable I will explain how to build an IR and phototransistor distance sensor unit. I built this sensor board for my Micromouse robot, however, this board should work on every robot which requires sensors that measure distance. Part a...
By: gycka

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Sat, 24 May 2014 15:53:20 PDT
Voltaic Solar Powered Pollution Monitor http://www.instructables.com/id/Voltaic-Solar-Powered-Pollution-Monitor/
Voltaic Solar Powered Pollution Monitor - More DIY How To Projects]]> http://cdn.instructables.com/FSY/FHKI/HULS7HWP/FSYFHKIHULS7HWP.SQUARE2.jpg http://cdn.instructables.com/FSY/FHKI/HULS7HWP/FSYFHKIHULS7HWP.SQUARE.jpg http://cdn.instructables.com/FSY/FHKI/HULS7HWP/FSYFHKIHULS7HWP.SMALL.jpg mkchronos Who wouldn't want to know more about the quality of the air in the area they live in? Sure, you could look up the statistics on many websites, but where’s the fun in that? Living here in Florida there are many areas that lend themselves to doing these kinds of tests and being that the Tampa Hacker...
By: mkchronos

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Wed, 30 Apr 2014 11:03:08 PDT
Plotly + Atlas Scientific: Graph Real-Time Dissolved Oxygen with Raspberry Pi http://www.instructables.com/id/Plotly-Atlas-Scientific-Graph-Real-Time-Dissolved-/
Plotly + Atlas Scientific: Graph Real-Time Dissolved Oxygen with Raspberry Pi - More DIY How To Projects]]> http://cdn.instructables.com/FXC/2I8T/HUPHKJKW/FXC2I8THUPHKJKW.SQUARE2.jpg http://cdn.instructables.com/FXC/2I8T/HUPHKJKW/FXC2I8THUPHKJKW.SQUARE.jpg http://cdn.instructables.com/FXC/2I8T/HUPHKJKW/FXC2I8THUPHKJKW.SMALL.gif plotlygraphs Atlas Scientific makes an amazing suite of scientific grade environmental monitoring sensors that have a perfect synergy with the Plotly data visualization platform.This Instructable will show you how to hook up an Atlas Dissolved Oxygen sensor and a Raspberry Pi to Plotly's real-time graphing platf...
By: plotlygraphs

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Fri, 2 May 2014 09:29:06 PDT
Dance Dance Revolution | Hand-Quilted Sensor Pad http://www.instructables.com/id/Dance-Dance-Revolution-Hand-Quilted-Sensor-Pad/
Dance Dance Revolution | Hand-Quilted Sensor Pad - More DIY How To Projects]]> http://cdn.instructables.com/FT4/HPWG/HUMSAU9H/FT4HPWGHUMSAU9H.SQUARE2.jpg http://cdn.instructables.com/FT4/HPWG/HUMSAU9H/FT4HPWGHUMSAU9H.SQUARE.jpg http://cdn.instructables.com/FT4/HPWG/HUMSAU9H/FT4HPWGHUMSAU9H.SMALL.jpg Kelsy Ensign Dance Dance Revolution | Hand-Quilted Sensor Pad This Instructable will show you how to create a hand-sewn pad for the popular game Dance Dance Revolution, also known as DDR. The DDR pad will consist of nine fabric squares; four of the squares will be hand-tied with conductive thread while the rema...
By: Kelsy Ensign

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Wed, 30 Apr 2014 21:48:40 PDT
Tilt Activated Cloud Light http://www.instructables.com/id/Tilt-Activated-Cloud-Light/
Tilt Activated Cloud Light - More DIY How To Projects]]> http://cdn.instructables.com/FMR/WPQN/HUL8WSE0/FMRWPQNHUL8WSE0.SQUARE2.jpg http://cdn.instructables.com/FMR/WPQN/HUL8WSE0/FMRWPQNHUL8WSE0.SQUARE.jpg http://cdn.instructables.com/FMR/WPQN/HUL8WSE0/FMRWPQNHUL8WSE0.SMALL.jpg sunnysue I've always been a fan of mood lighting so when I had the option to use neopixels and a sensor I decided I needed my own illuminating cloud.  The term cloud is used loosely, since its a wood box with wire and paper spanning across the bottom to construct my imagined cloudscape.   How the light work...
By: sunnysue

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Wed, 30 Apr 2014 03:46:08 PDT
Homebrew Arduino Pulse Monitor (Visualize Your Heartbeat) http://www.instructables.com/id/Homebrew-Arduino-Pulse-Monitor-Visualize-Your-Hear/
Homebrew Arduino Pulse Monitor (Visualize Your Heartbeat) - More DIY How To Projects]]> http://cdn.instructables.com/F69/0JZQ/HU843XP9/F690JZQHU843XP9.SQUARE2.jpg http://cdn.instructables.com/F69/0JZQ/HU843XP9/F690JZQHU843XP9.SQUARE.jpg http://cdn.instructables.com/F69/0JZQ/HU843XP9/F690JZQHU843XP9.SMALL.jpg ASCAS Movies look cool with those EKG (electrocardiogram), the one that beeps and detects heart activities. A few months ago, we had to shoot a hospital scene for our school project. We needed an EKG instrument. To keep the movie authentic, we didn't want to fake the readings so we made the next best thin...
By: ASCAS

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Sun, 20 Apr 2014 20:27:21 PDT
Plane in a Globe - Hacking A PIR Sensor To Do Your Bidding http://www.instructables.com/id/Plane-in-a-Globe-Hacking-A-PIR-Sensor-To-Do-Your/
Plane in a Globe - Hacking A PIR Sensor To Do Your Bidding - More DIY How To Projects]]> http://cdn.instructables.com/FBG/GEXY/HFD0Z846/FBGGEXYHFD0Z846.SQUARE2.jpg http://cdn.instructables.com/FBG/GEXY/HFD0Z846/FBGGEXYHFD0Z846.SQUARE.jpg http://cdn.instructables.com/FBG/GEXY/HFD0Z846/FBGGEXYHFD0Z846.SMALL.jpg lonesoulsurfer Hi All. Ever had an idea pop into your head and you can't stop thinking about it?  Well my idea was to have a tiny plane spinning inside a light bulb, activated by a sensor!  Yes I know - not much of an idea but there it is.  First I prowled the internet trying to find the right type of sensor and...
By: lonesoulsurfer

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Sun, 14 Apr 2013 04:44:00 PDT
TempBug: internet-connected thermometer http://www.instructables.com/id/TempBug-internet-connected-thermometer/
TempBug: internet-connected thermometer - More DIY How To Projects]]> http://cdn.instructables.com/FQ9/I2VJ/HD4VQ81K/FQ9I2VJHD4VQ81K.SQUARE2.jpg http://cdn.instructables.com/FQ9/I2VJ/HD4VQ81K/FQ9I2VJHD4VQ81K.SQUARE.jpg http://cdn.instructables.com/FQ9/I2VJ/HD4VQ81K/FQ9I2VJHD4VQ81K.SMALL.jpg tombrew Last January, we had some trouble with the heat in my office. Specifically, the kind of trouble wherein the heat is not on, you turn it up, and it still not on. This went on for more than a few days, and finally ended a day or two after we got an email announcing that the heat was broken and specula...
By: tombrew

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Fri, 15 Feb 2013 15:41:22 PST
5 Minute Water Sensor http://www.instructables.com/id/5-Minute-Water-Sensor/ http://cdn.instructables.com/FTP/6S32/HBPBRTH6/FTP6S32HBPBRTH6.SQUARE2.jpg http://cdn.instructables.com/FTP/6S32/HBPBRTH6/FTP6S32HBPBRTH6.SQUARE.jpg http://cdn.instructables.com/FTP/6S32/HBPBRTH6/FTP6S32HBPBRTH6.SMALL.jpg sjroth Something I find really annoying to do is filling up a jug of water. Because the water dispenser lets out the water quite slowly, it takes  ages to fill up the jug completely. So I came up with the idea of making a water sensor that will let me know when the jug is full, so I don't constantly have t...
By: sjroth

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Fri, 11 Jan 2013 07:26:34 PST
Water Level Indicator with Alarm http://www.instructables.com/id/Water-Level-Indicator-with-Alarm/
Water Level Indicator with Alarm - More DIY How To Projects]]> http://cdn.instructables.com/FMN/Z8ZA/H82UH7IS/FMNZ8ZAH82UH7IS.SQUARE2.jpg http://cdn.instructables.com/FMN/Z8ZA/H82UH7IS/FMNZ8ZAH82UH7IS.SQUARE.jpg http://cdn.instructables.com/FMN/Z8ZA/H82UH7IS/FMNZ8ZAH82UH7IS.SMALL.jpg raikut Introduction Today I am going to talk about a very useful project that I had taken up. It is called the Water Level Indicator. Nowadays everybody has overhead tank at their homes. But everyone who has a water tank above knows the kind of problems that they face. Firstly there is no system to track t...
By: raikut

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Sat, 10 Nov 2012 03:45:01 PST
Energino: an Arduino-based energy consumption monitoring shield http://www.instructables.com/id/Energino-an-Arduino-based-energy-consumption-moni/
Energino: an Arduino-based energy consumption monitoring shield - More DIY How To Projects]]> http://cdn.instructables.com/FWZ/K6Y8/H4ZN5515/FWZK6Y8H4ZN5515.SQUARE2.jpg http://cdn.instructables.com/FWZ/K6Y8/H4ZN5515/FWZK6Y8H4ZN5515.SQUARE.jpg http://cdn.instructables.com/FWZ/K6Y8/H4ZN5515/FWZK6Y8H4ZN5515.SMALL.jpg roberto.riggio Energino is a plug-load meter that measures the amount of power consumed by whatever DC electrical appliance is plugged into its. It was originally designed to monitor the energy consumption of simple networking devices such as Ethernet switches and WiFi access points, but it can be used to monitor ...
By: roberto.riggio

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Sun, 22 Jul 2012 08:40:00 PDT
Visualize data from sensors using Arduino + coolterm http://www.instructables.com/id/Visualize-data-from-sensors-using-Arduino-coolte/
Visualize data from sensors using Arduino + coolterm - More DIY How To Projects]]> http://cdn.instructables.com/FZ8/DCGQ/H4AGJ6RW/FZ8DCGQH4AGJ6RW.SQUARE2.jpg http://cdn.instructables.com/FZ8/DCGQ/H4AGJ6RW/FZ8DCGQH4AGJ6RW.SQUARE.jpg http://cdn.instructables.com/FZ8/DCGQ/H4AGJ6RW/FZ8DCGQH4AGJ6RW.SMALL.jpg gabriellalevine Once you're getting some values from sensors, for example using Arduino, (see my previous instructable), sometimes it's nice to see the sensor data in a graph.  Here's how in only a few steps! I made this particular Instructables using a sonar sensor (XL Max Sonar EZ/AE) but you can do it with any...
By: gabriellalevine

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Fri, 13 Jul 2012 08:25:40 PDT
DIY Bend Sensor (Using only Conductive Bags and Masking Tape) http://www.instructables.com/id/DIY-Bend-Sensor-Using-only-Velostat-and-Masking-T/
DIY Bend Sensor (Using only Conductive Bags and Masking Tape) - More DIY How To Projects]]> http://cdn.instructables.com/FST/8LJ1/H2WELO6X/FST8LJ1H2WELO6X.SQUARE2.jpg http://cdn.instructables.com/FST/8LJ1/H2WELO6X/FST8LJ1H2WELO6X.SQUARE.jpg http://cdn.instructables.com/FST/8LJ1/H2WELO6X/FST8LJ1H2WELO6X.SMALL.jpg tonll So, after lurking around in the shadows for years I've finally gotten round to making my first step-by-step instructable.  *yay* A little background as to how this whole idea came about. Back in 2009, I needed some bend sensors for a sign language translation glove I was making for fun, and the co...
By: tonll

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Mon, 4 Jun 2012 09:30:41 PDT
Build your own (at)tiny colour sensor. http://www.instructables.com/id/Build-your-own-attiny-colour-sensor/
Build your own (at)tiny colour sensor. - More DIY How To Projects]]> http://cdn.instructables.com/FTS/A2Y5/GZUASP9U/FTSA2Y5GZUASP9U.SQUARE2.jpg http://cdn.instructables.com/FTS/A2Y5/GZUASP9U/FTSA2Y5GZUASP9U.SQUARE.jpg http://cdn.instructables.com/FTS/A2Y5/GZUASP9U/FTSA2Y5GZUASP9U.SMALL.jpg janw A few months ago, I saw an instructable by fjordcarver on how to build a coloursensor with an RGB led and an LDR. It inspired me to try whether I could improve his design. Here are the things that I wanted: The sensor should have as few pins as possible. It should work as a stand-alone ...
By: janw

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Sun, 25 Mar 2012 14:09:56 PDT
Sensitive Tilt Trigger http://www.instructables.com/id/Sensitive-Tilt-Trigger/
Sensitive Tilt Trigger - More DIY How To Projects]]> http://cdn.instructables.com/F38/Q37U/GVZQ6IVC/F38Q37UGVZQ6IVC.SQUARE2.jpg http://cdn.instructables.com/F38/Q37U/GVZQ6IVC/F38Q37UGVZQ6IVC.SQUARE.jpg http://cdn.instructables.com/F38/Q37U/GVZQ6IVC/F38Q37UGVZQ6IVC.SMALL.jpg Captain Napalm Designed for any purpose that might need a very sensitive, any-direction, do-not-tilt switch. This instruction describes construction of: 1) My initial, hand-built prototype, thrown together in a single afternoon out of spare parts merely as proof of concept; 2) The follow-on, 2nd generation prototy...
By: Captain Napalm

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Fri, 25 Nov 2011 17:49:08 PST
Simple Light Detector with Sensitivity Control http://www.instructables.com/id/Simple-Light-Detector-with-Sensitivity-Control-No/
Simple Light Detector with Sensitivity Control - More DIY How To Projects]]> http://cdn.instructables.com/FW2/IXR5/GU6PH4IC/FW2IXR5GU6PH4IC.SQUARE2.jpg http://cdn.instructables.com/FW2/IXR5/GU6PH4IC/FW2IXR5GU6PH4IC.SQUARE.jpg http://cdn.instructables.com/FW2/IXR5/GU6PH4IC/FW2IXR5GU6PH4IC.SMALL.jpg WolfKodi Light detectors are one of the most popular sensor and they are commonly found in many real-world applications. They are widely used by electronic hobbyists and projects because they are practical and intriguing yet surprising easy to construct. This instructable will guide and show you how easy it ...
By: WolfKodi

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Wed, 26 Oct 2011 09:04:32 PDT
Tilt Activated Switch http://www.instructables.com/id/Tilt-Activated-Switch/
Tilt Activated Switch - More DIY How To Projects]]> http://cdn.instructables.com/FM8/38D6/SN5EXCFG0AN/FM838D6SN5EXCFG0AN.SQUARE2.jpg http://cdn.instructables.com/FM8/38D6/SN5EXCFG0AN/FM838D6SN5EXCFG0AN.SQUARE.jpg http://cdn.instructables.com/FM8/38D6/SN5EXCFG0AN/FM838D6SN5EXCFG0AN.SMALL.jpg 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
Make an automatic plant light http://www.instructables.com/id/Make-an-automatic-plant-light/
Make an automatic plant light - More DIY How To Projects]]> http://cdn.instructables.com/FSN/YCLU/FROA58YQ/FSNYCLUFROA58YQ.SQUARE2.jpg http://cdn.instructables.com/FSN/YCLU/FROA58YQ/FSNYCLUFROA58YQ.SQUARE.jpg http://cdn.instructables.com/FSN/YCLU/FROA58YQ/FSNYCLUFROA58YQ.SMALL.jpg DemonDomen This light helps your plants grow.I got the idea from the Garduino, but nothing is taken from it. The schematic and the program are mine.This plant light gives your plants 4 additional hours of light per day. When it gets dark, it turns on and after 4 hours of darkness, the light turns out. The ligh...
By: DemonDomen

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Sat, 28 Feb 2009 08:40:00 PST
Re-purposing an Air Wick Freshmatic Compact i-Motion http://www.instructables.com/id/Re-purposing-an-Air-Wick-Freshmatic-Compact-i-Moti/
Re-purposing an Air Wick Freshmatic Compact i-Motion - More DIY How To Projects]]> http://cdn.instructables.com/FS6/YXS0/GE7LFGZ6/FS6YXS0GE7LFGZ6.SQUARE2.jpg http://cdn.instructables.com/FS6/YXS0/GE7LFGZ6/FS6YXS0GE7LFGZ6.SQUARE.jpg http://cdn.instructables.com/FS6/YXS0/GE7LFGZ6/FS6YXS0GE7LFGZ6.SMALL.jpg Doug Paradis The Air Wick Freshmatic Compact i-Motion air freshener is an intriguing target for re-purposing. It uses a passive infrared (PIR) sensor to detect motion in a room and then increases the rate that it dispenses air freshener. This air freshener sells for $8, but you can sometimes get it cheaper wit...
By: Doug Paradis

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Thu, 23 Sep 2010 22:07:39 PDT
DIY Touch Sensor http://www.instructables.com/id/DIY-Touch-Sensor/
DIY Touch Sensor - More DIY How To Projects]]> http://cdn.instructables.com/FKF/BMDP/F8Y3RMTC/FKFBMDPF8Y3RMTC.SQUARE2.jpg http://cdn.instructables.com/FKF/BMDP/F8Y3RMTC/FKFBMDPF8Y3RMTC.SQUARE.jpg http://cdn.instructables.com/FKF/BMDP/F8Y3RMTC/FKFBMDPF8Y3RMTC.SMALL.jpg giladlotan This is a short instructable on how to use the Qprox IC (QT113G) as a touch sensor. Using this IC, you can essentially turn any object into a touch switch. This simple circuit may be hooked up to a microcontroller (in this case I used the MAKE controller board). Gather all the necessary parts 1....
By: giladlotan

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Tue, 13 Nov 2007 18:34:20 PST
How to Make a Ridiculously Cheap Analog Pressure Sensor http://www.instructables.com/id/How-to-Make-a-Ridiculously-Cheap-Analog-Pressure-S/
How to Make a Ridiculously Cheap Analog Pressure Sensor - More DIY How To Projects]]> http://cdn.instructables.com/FJD/7ZKT/G51GRCFD/FJD7ZKTG51GRCFD.SQUARE2.jpg http://cdn.instructables.com/FJD/7ZKT/G51GRCFD/FJD7ZKTG51GRCFD.SQUARE.jpg http://cdn.instructables.com/FJD/7ZKT/G51GRCFD/FJD7ZKTG51GRCFD.SMALL.jpg hiskeyd Tired of paying exorbitant amounts for a simple analog pressure sensor?  Well here is an easy smeasy way to make an incredibly cheap analog pressure sensor.  This pressure sensor won’t be terribly accurate in terms of measuring precise weight or things of this nature, though it can be calibrated som...
By: hiskeyd

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Tue, 2 Feb 2010 11:17:03 PST
Tilt Sensor Tutorial http://www.instructables.com/id/Tilt-Sensor-Tutorial/
Tilt Sensor Tutorial - More DIY How To Projects]]> http://cdn.instructables.com/F8Z/4XII/FWS6K6JS/F8Z4XIIFWS6K6JS.SQUARE2.jpg http://cdn.instructables.com/F8Z/4XII/FWS6K6JS/F8Z4XIIFWS6K6JS.SQUARE.jpg http://cdn.instructables.com/F8Z/4XII/FWS6K6JS/F8Z4XIIFWS6K6JS.SMALL.jpg adafruit What is a tilt sensor? Tilt sensors allow you to detect orientation or inclination. They are small, inexpensive, low-power and easy-to-use. If used properly, they will not wear out. Their simplicity makes them popular for toys, gadgets and appliances. Sometimes they are referred to as "mercury swi...
By: adafruit

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Mon, 6 Jul 2009 09:31:02 PDT
Stickytape Sensors http://www.instructables.com/id/Stickytape-Sensors/
Stickytape Sensors - More DIY How To Projects]]> http://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SQUARE2.jpg http://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SQUARE.jpg http://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SMALL.jpg Plusea Simple Pressure and Bend Sensors made from stickytape, Velostat, conductive thread and small pieces of conductive fabric. Basically you just have to get the conductive surface and Velostat ratio right. I find the following methods work best. As little conductive thread as necessary to cover the sen...
By: Plusea

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Thu, 23 Apr 2009 11:01:47 PDT
DIY Force Sensitive Resistor (FSR) http://www.instructables.com/id/DIY-Force-Sensitive-Resistor-FSR/
DIY Force Sensitive Resistor (FSR) - More DIY How To Projects]]> http://cdn.instructables.com/FCS/QQ2O/FI8VJQH2/FCSQQ2OFI8VJQH2.SQUARE2.jpg http://cdn.instructables.com/FCS/QQ2O/FI8VJQH2/FCSQQ2OFI8VJQH2.SQUARE.jpg http://cdn.instructables.com/FCS/QQ2O/FI8VJQH2/FCSQQ2OFI8VJQH2.SMALL.jpg kylemcdonald Make a force sensitive resistor (a pressure sensor) with spare parts instead of spending $5 - $20 each. Materials ToolsSoldering ironHot glue gunKnife/razorWire cutterComponentsSolderHot glueOne-sided copper PCBConductive foamWireThe foamConductive foam is what microcontrollers generally come pac...
By: kylemcdonald

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Mon, 7 Jul 2008 18:18:29 PDT
Waterproof a LM35 Temperature Sensor http://www.instructables.com/id/Waterproof-a-LM35-Temperature-Sensor/
Waterproof a LM35 Temperature Sensor - More DIY How To Projects]]> http://cdn.instructables.com/F3E/WR5H/FEXDF7Q9/F3EWR5HFEXDF7Q9.SQUARE2.jpg http://cdn.instructables.com/F3E/WR5H/FEXDF7Q9/F3EWR5HFEXDF7Q9.SQUARE.jpg http://cdn.instructables.com/F3E/WR5H/FEXDF7Q9/F3EWR5HFEXDF7Q9.SMALL.jpg solarmax Here is a instructable to waterproof a LM35 for use on a tethered ROV using a automobile 12V battery as a power source. This came out of a need for the MATE ROV Competition. The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the C...
By: solarmax

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Sun, 13 Apr 2008 18:30:40 PDT