hello there 
i am going to show you how to build cheap face recognition lock(buzzer) for door.
thing s you l need:
computer os win 7 (win 8 recommended)
arduino (i am using duemilanovo atmega328)
web camera(let windows install legacy drivers !!dont install drivers that came with camera!!)
key lemon (recommended 2.7 version because of less bugs)
arduino relay switch:
relay 5v
270 ohm resistor
diode 1n4007 or 1n4004

watch demonstration here


Step 1:

build relay switch for arduino( use external power supply to power relay)
<p>Hi , I want to attach servo to this project can you help me? , How can I modify your code ? I mean which portion I tried but it is not working properly.</p>
<p>How does this work, it is very simple, I like it but how?</p>
<p>it works..thanks alot man..:)</p><p>can you give a tutorial to make the application that will help..</p><p>thanks in advance...</p>
<p>I really want to make this work. I am running Windows 7, on a 64 bit laptop, and KeyLemon 2.7.2. I have followed your instructions, and double, triple checked them. Everything appears to work, but I'm not seeing anything on the Serial Monitor. It's as though the skitch_130329a application in the application.windows32 folder on my desktop is not working. I'm uncertain how to troubleshoot this. Any help would be appreciated. I love simplicity of your project.</p>
Are you using the free version?
hello WWC yes it's free version it's actually beta 2.7 version for win8 <br>you can also use 2.7.1 which is the latest version.
Do i need a license key also? I have downloaded the free version but i have no options such as you show.
hello you don't need license key the only settings that you'l need to change in keylemon are in step 4. When you run keylemon for the first time the face model wizard will show up and you'l need to create your face model then procede and when you'r finished the keylemon control center will show up, there you can change your face model and under tab webcam you must uncheck &quot;Stop using <br>webcam after 60 seconds of inactivity&quot; and click apply.step 3 is windows application Task Scheduler located in control panel under Administrative Tools.I forgot to mention in my instructable that you can use virtual box and run windows in background so it doesn't interfere with your current os and you can still use your computer for other things.
Thanks for the info. I am going to try it.

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