Monthly Archives: March 2017

Make a simple WiFi Jammer with ESP8266

Posted on March 14, 2017 by robertwilkie

I could see these being built with a battery and tossed into a site. http://www.instructables.com/id/WiFi-Jammer-Using-ESP8266/?ALLSTEPS

Posted in Arduino, Cheap, Security | 2 Comments

Make electricity with Mud

Posted on March 14, 2017 by robertwilkie

Basically using bacteria to generate electricity.  Looks like a neat kit to do with kids. Generate Electricity from Bacteria in Mud

Posted in Teaching and Learning | Comments Off on Make electricity with Mud

Build a vacuum cannon

Posted on March 13, 2017 by robertwilkie

This is a cool build.  Basically they author uses PVC pipe to build a vacuum chamber to use as a cannon.  This would be a cool build with kids. http://www.instructables.com/id/Large-Bore-Vacuum-Cannon/?ALLSTEPS Oh the author has another nice write-up on building a … Continue reading →

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Simple small weather station with ESP8266

Posted on March 13, 2017 by robertwilkie

Oh and cheap too…But not as cheap as an RPi Zero.  Lately I have been thinking more and more about switching completely over from arduino to just RPis.  The price point is pretty close and for what you get from … Continue reading →

Posted in Arduino, Cheap, Misc-Life | Comments Off on Simple small weather station with ESP8266

Make a glowing hoodie

Posted on March 9, 2017 by robertwilkie

Nice build.  I like how it can be removed for washing. http://www.instructables.com/id/Glowing-Hoodie-Machine-Washable/?ALLSTEPS

Posted in Cheap, Misc-Life | Comments Off on Make a glowing hoodie

Controlling stepper motors from command line

Posted on March 8, 2017 by robertwilkie

The author wrote an arduino sketch to control a stepper motor from a command line (via serial like port). A Command-Line Stepper Library with All the Frills  

Posted in Uncategorized | Comments Off on Controlling stepper motors from command line

A good fishing story for security

Posted on March 8, 2017 by robertwilkie

Nice article about how a simple site was hacked, and steps to help prevent it.  The one step I didn’t know what setting up a Google Webmaster account and tool.  And yes its on my list. https://techcrunch.com/2017/03/03/woe-are-the-great-fish-of-cape-cod/?ncid=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29

Posted in Misc-Life, Security | Comments Off on A good fishing story for security

Make bucket stools

Posted on March 8, 2017 by robertwilkie

Pretty nice build.  Note you can buy some of these for $10-20.  However this one has alot more padding. http://www.instructables.com/id/The-Amazing-Bucket-Stool/?ALLSTEPS  

Posted in Cheap | Comments Off on Make bucket stools

Add an external antenna to a RPi Zero (W)

Posted on March 8, 2017 by robertwilkie

The new RPi Zero has build in wifi, but from the sounds of it, the built in antenna is a bit lacking.  SO the author found the board has the spot for an external connection, you just need to get … Continue reading →

Posted in Misc-Life, RaspberryPi | Comments Off on Add an external antenna to a RPi Zero (W)

Simple way to make tempered steel for demonstration

Posted on March 7, 2017 by robertwilkie

Good way to show kids the different (and issues). http://www.instructables.com/id/How-to-Temper-Steel/?ALLSTEPS

Posted in Misc-Life, Teaching and Learning | Comments Off on Simple way to make tempered steel for demonstration