Instructables: exploring - photos - sensors Sat, 1 Aug 2015 03:07:29 PDT BLOX v1.01 Turn Your Smartphone Into a Metal Detector sensor Mahir Asrani What Is Metal Sensor....? A metal detector is portable electronic instrument which detects the presence of metal nearby Metaldetectors are useful for finding metal inclusions hidden within objects such as metal objects buried underground. They often consist of a handheld unit with a sensor probe whi...
By: Mahir Asrani

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Fri, 11 Apr 2014 06:37:38 PDT
Motion Activated Indoor Wind Chime JimRD I wanted a wind chime that would work indoors and triggered by movement. So I wired a PIR (infrared motion sensor) to a 2n7000 MOSFET transistor and to a fan composed of a 5 volt motor I salvaged from an old dvd drive and an RC propeller. Here is video of it in operation: Photo 1: shows whole w...
By: JimRD

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Mon, 10 Feb 2014 19:35:22 PST hitansh
By: hitansh

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Fri, 7 Feb 2014 19:13:42 PST
How To Make Your Own Remote Environmental Monitoring Box With Sensors edward_Valarm Remote environmental monitoring tells you real-time information about the environment, used in a variety of fields like: air quality / gases, agriculture / viticulture, factories / plants, and water levels / flood alerts. Check out the video below from Valarm’s YouTube channel that shows you ...
By: edward_Valarm

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Fri, 10 Jan 2014 04:45:09 PST
Wiring a Dusk to Dawn Photocell Sensor graydog111 I bought a photocell sensor on eBay after learning Lowes, Home Depot, and Walmart were either out of stock on them or did not carry them.  No problem, I thought, 3 wires and it should come with instructions.  It arrived, but with no instructions except on the little plastic part (see second photo). ...
By: graydog111

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Sat, 12 Oct 2013 06:25:06 PDT
Solar cell and its use gauravclb96 The circuit illustrated below is used as Solar Cell. You can get plate from your old faulty solar calculator. Carefully dissemble plate with out tearing its 2 wire. Connect both wire to a LED through a switch. When Solar Plate is kept in sunlight and switched ON you will see LED glows . Please make ...
By: gauravclb96

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Tue, 18 Jun 2013 13:01:58 PDT
IR Remote Tester robodude95 This instructable shows how to build an easy IR Remote Tester. Parts Required :- 1. TSOP Remote Control Receiver 2. Buzzer 3. 9V Battery 4. Breadboard 5.Breadboard Wires 6. LED 7. TV Remote The buzzer should start beeping and the LED should start blinking rapidly when different buttons of the TV re...
By: robodude95

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Sun, 26 May 2013 06:28:39 PDT
MOTION SENSOR .... Good to Go,Quick & Easy... BILLETSURFER If these type of motion sensors ever cross your path, this is a great project to keep in mind and a great way to conserve energy. Quick and easy to assemble and install.  Excellent way to quickly light up dark rooms or hallways. Never worry about leaving lights on inside closets or storage areas.   ...

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Thu, 17 Jan 2013 23:35:15 PST
5 Minute Water Sensor 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
AirCasting Air Monitor mheimbinder The AirCasting Platform AirCasting is a platform for recording, mapping, and sharing health and environmental data using your smartphone. Each AirCasting session lets you capture real-world measurements, annotate the data to tell your story, and share it via the CrowdMap. To start recording, mappin...
By: mheimbinder

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Thu, 10 Jan 2013 09:27:33 PST
Temperature Controller OmniaFaciat This is a general purpose temperature controller implementing the STC-1000 temperature controller module. It is housed in a 4"x4" PVC box, and features a divided two-plug power outlet and binding posts for the sensor. Each plug is capable of supplying 10 amps at 125VAC (The whole unit provides a max...
By: OmniaFaciat

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Mon, 7 Jan 2013 22:23:43 PST
The Lego RCX 1.0 Ping Pong Car! RoboLab2.0 Hello, I have a couple of RCX 1.0's and I have a great idea to give to you for making a cool car. Its very easy. As you can see in the photos, there is a video of what it can do and a photo of the car. The program I used is RoboLab 2.0. I programmed the car so if it hits something at its front end i...
By: RoboLab2.0

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Sat, 20 Oct 2012 12:42:18 PDT
Flat security system with GSM alarm Mirio46x Hello, i would like to build flat alarm with gsm calling warning to my mobile phone. I read some topic about alarm working this way, but i could not find this concrete schema. My components: 1.) Building kit of Alarm station 2.) Motion senzor PIR lx 39  http:/...
By: Mirio46x

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Wed, 25 Apr 2012 11:24:33 PDT
12V Fan Controlled by temperature Spiky1987 Hi,    This iis alittle project i wanted to make because, when I use my playstation as my sound system, the cabinet become hot ( when the door is closed ) and I wanted to add some automated cooling in it. The circuit is very very simple. I only use a TL081 as a comparator.
By: Spiky1987

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Sat, 7 Apr 2012 13:26:07 PDT
Wateringsystem with old CD Rom Drive robi_h I had the problem that the seed always ran out of water while I was at work. I found out that the best way to water the seeds was to spray on them with a spraybottle, so I came up with little setup: What I used: SprayBottle 12V Power Supply Broken CD Rom Drive 2 Resistors Arduino Uno TIP120 Darlin...
By: robi_h

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Thu, 5 Apr 2012 10:56:54 PDT
Liquid Level Sensor nachiketa I wanted to make a Water level control sensor but of non contact non Electronic & cheap one ! Took Plastic hand pump, Removed Rubber 'O' ring from the Piston So now the piston moves freely without any friction Cut liquid container and fixed with Epoxy in to Piston drilling a hole. Ceramic magnet ( ...
By: nachiketa

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Wed, 21 Mar 2012 10:47:48 PDT
Solar charger with day night switch marfru Well this is my first attempt a building a self contained system ... one small step to getting off the grid. What I have done is to link up a 15w, 1.2 A solar pannel to 2 by 7.2 AH batteries. This I run trough a controller that charges the batteries during the day and then runs the lights at night. ...
By: marfru

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Wed, 25 Jan 2012 12:27:24 PST
How to make a wind up tank know not to go over the edges of surfaces prestontim505 Hi, Prestontim505 here, with my first ever instructable! It is quite simple.  You have to unscrew the body, take out the 'input' wire and screw it back on. Then, you add the sensory techonlogy ( I don't  know the real name, but the bit that is squared) then it will detect where surfaces stop and it ...
By: prestontim505

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Fri, 2 Dec 2011 09:55:53 PST
SIMPLE WATER DETECTOR EVER!!!!!!! ajinkyadixit Hi i am ajinkya this is my first Instructable -SIMPLE WATER DETECTOR For this project u will need the following parts: 1.IC 555 timer-1 2.Small size generel purpose PCB(Single Sided)-2 3.Buzzer-1 4.Red LED(5mm)-1 5.electrolytic capacitor-2.2uF -1 6.Resistor's-R1=1k Ohm                         R2=100...
By: ajinkyadixit

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Thu, 1 Dec 2011 01:44:34 PST
Modifying 120deg viewing angle infrared rear view camera bbarenz These cameras can be purchased from ebay for a little as $15.  They are great for security cameras as they have a wide viewing angle and clear image however out of the box the camera comes with a trapezoidal grid superimposed on the video signal and the video image mirrored. These instructions will ...
By: bbarenz

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Tue, 29 Nov 2011 06:47:12 PST
Smoke Detector Rework For Remote Use With Experiments dalmond1 One of the guys on our forum (TEEP forum) came up with the great idea of placing a Smoke Alarm over his Bedini work station, I have gone a little further with this idea. I do all my experiments out in the Shed, if I put a smoke alarm out the and something was to happen over night I would have no id...
By: dalmond1

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Sat, 15 Oct 2011 16:09:56 PDT
Electricity, water and centralized heating meter readout using Arduino, WR703N router and Linux webcams janisalnis Files describe how to move towards smart home and make readout system  for energy and water meters. - Optical sensor reading out Electricity meter disk. Works well. Live at - Webcam picturing hot water meter. LCD screen contrast too low for OCR. - Control of hot...
By: janisalnis

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Wed, 28 Sep 2011 11:56:19 PDT
Tilt Sensing Quilt Plusea This quilt is made up of an array of 41 textile tilt sensors. Each sensor demonstrates a unique construction variation, showcasing different materials and techniques that can be used to create fabric tilt sensors. The Tilt Sensing Quilt took roughly a year to complete. It is a great demonstration o...
By: Plusea

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Wed, 9 Mar 2011 13:09:52 PST
Using a stepper motor as automtive speed sensor abo_hosni I was looking for some speed sensor for my Speedometer project There are many Ideas when it comes to the speed sensors. 1- Variable reluctance magnetic pick up (like automotive ABS sensors) 2- IR LEDs & IR detectors 3- Hall effect sensor 3- In my case, a stepper motor as a generator I took this...
By: abo_hosni

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Sat, 4 Dec 2010 12:26:47 PST
Home Built DIY Home Security Alarm System techipal A Complete Home Security System developed according to each clients requirements this alarm is built from scratch, while obtaining circuits from the internet which then were subject to several modifications and prototype testing. Feature Included - 24/7 UPS Backup in event of mains failure or in...
By: techipal

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Sun, 24 May 2009 05:51:00 PDT