Category Archives: sensors

For $80-100 dollars, you to can have a portable oscilloscope

Posted on October 19, 2012 by robertwilkie

Kickstarter project for a little portable oscilloscope.  Neat idea.  Very very tempthing…  🙁 http://www.kickstarter.com/projects/920064946/xprotolab-portable  

Posted in sensors, Tinkering, Tools | Comments Off on For $80-100 dollars, you to can have a portable oscilloscope

Hooking a doorbell to the internet

Posted on September 28, 2012 by robertwilkie

Nice write up on adding support for a doorbell to page you on the internet.  Would also be a nice addition to a home build security system. http://harizanov.com/2012/08/hooking-my-wireless-doorbell-to-the-internet/  

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How to get free parts for your Robot/3D printer/CNC/etc

Posted on September 5, 2012 by robertwilkie

Older article about getting free parts from vendors that you could use for your xyz project.  Down side is most of the companies in the list have “filters” now, so you have to figure out how to get around those … Continue reading →

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Cool Snake Water Robot

Posted on August 23, 2012 by robertwilkie

This was cool, a robot snake that can swim.  All made from parts you can get at home depot and radio shack (well arduino not seeduino). http://www.instructables.com/id/Make-a-swimming-Robo-Snake/

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Good way to quickly find pairs in stepper motors

Posted on June 27, 2012 by robertwilkie

Good quick way to find pairs of wires in stepper motors.  I usually just use a meter, but this would be easier and more fun. http://www.instructables.com/id/Find-Bipolar-Stepper-Motor-Coil-Pairs/  

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Simple outdoor solar powered security camera

Posted on June 14, 2012 by robertwilkie

Nice simple use of a webcam for a security camera.  I had a setup with “real” cameras a while back running zoneminder on the backend.  I may revisit that setup with this too. https://imgur.com/a/IgdrQ/noscript

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Cheap wireless motion sensor

Posted on June 12, 2012 by robertwilkie

Nice writeup on building a simple wireless motion sensor. http://www.instructables.com/id/Cheap-Wireless-Motion-Sensor-Device/

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Interesting RFID Shield for Arduino

Posted on May 6, 2012 by robertwilkie

This is an interesting shield that supports RFID…it has allot of potential for using in PEN testing in security.  I haven’t read up too much on it, but its worth looking at more details in the future. http://www.open-electronics.org/arduino-rfid-shield/

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Cheap ATiny Proximity Sensor

Posted on April 26, 2012 by robertwilkie

Nice instructable as to how to make a 2-4 dollar prox sensor.  This could come in handy for alarms, robots, even CNC based systems.  Read about it here: http://www.instructables.com/id/Make-an-Attiny13-based-IR-proximity-sensor-for-2/

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