Monthly Archives: March 2017

Make a fog horn

Posted on March 16, 2017 by robertwilkie

The demo of this sounds pretty loud.  Looks like an easy build too. http://www.instructables.com/id/Easy-PVC-Fog-Horn/

Posted in Cheap, Teaching and Learning | Comments Off on Make a fog horn

Take a bunch of hacksaw blades to make a simple Rasp

Posted on March 15, 2017 by robertwilkie

Interesting idea, I agree with the comments and maybe just bolting a bunch of the blades together to do this instead of cutting them in half and then gluing them. http://www.instructables.com/id/Gang-Saw-Thin-Rasp/?ALLSTEPS

Posted in Cheap, Tools | Comments Off on Take a bunch of hacksaw blades to make a simple Rasp

Another bubble reciept

Posted on March 15, 2017 by robertwilkie

This one is a cup of water, 1.5 tablespoons of sugar, and 5-8 ml of shampoo. http://www.instructables.com/id/Big-Bubble-Solution-in-Home-How-to-Make-a-Bubble-S/

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Convert a cheap digital rain monitor into a high end one

Posted on March 15, 2017 by robertwilkie

The author took a cheap rain measurer and modified it so an arduino could read the data and send it to a controller.  Of course I don’t think I would be lucky enough to find one of these for 43 … Continue reading →

Posted in Arduino, Cheap, water | Comments Off on Convert a cheap digital rain monitor into a high end one

Another knit tube, but with holes for easier access

Posted on March 15, 2017 by robertwilkie

OK I have posted about these before, but I like this one since each slot has a “hole” that allows the needle to pull the yarn out and over with.  Good idea. http://www.instructables.com/id/Knitting-With-a-Piece-of-Plastic-Pipe/?ALLSTEPS

Posted in Cheap, Misc-Life | Comments Off on Another knit tube, but with holes for easier access

How to enable developer mode in Roku

Posted on March 15, 2017 by robertwilkie

I have a few of these boxes, so this could be useful in the future. https://www.howtogeek.com/290787/how-to-enable-developer-mode-and-sideload-roku-apps/  

Posted in Cheap, Software Development | 1 Comment

Interesting cheap 8 in 1 mill

Posted on March 15, 2017 by robertwilkie

I stumbled on this by accident.  The original one I found was by hobbyking that has the 8-in-1 machine tool that says it can do wood and metal for around 320 after tax/shipping.  A quick search on ebay turns out … Continue reading →

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Simple tachometer with an arduino

Posted on March 14, 2017 by robertwilkie

Tachometers measure the speed of a revolving object.  This is a pretty simple design with IR http://www.instructables.com/id/Ho-to-Make-Arduino-Based-Digital-Tachometer-Simple/?ALLSTEPS

Posted in Arduino | Comments Off on Simple tachometer with an arduino

Make a PVC slingshot bow with whisker biscuit

Posted on March 14, 2017 by robertwilkie

Nice build.  The Whisker is a toothbrush, I also like how the author bends the handle. http://www.instructables.com/id/PVC-Slingshot-Bow-With-Homemade-Whisker-Biscuit-Vi/ The author also had an origninal build here that this is based (and improved) on http://www.instructables.com/id/PVC-Slingshot-Bow-V-20-With-Shooting-Demo-Video/  

Posted in Cheap, Misc-Life, weapons | Comments Off on Make a PVC slingshot bow with whisker biscuit

Cool idea, hang buckets to use to hold trimmers

Posted on March 14, 2017 by robertwilkie

Could be used for other power tools like leaf blower too. http://www.instructables.com/id/Weed-Trimmer-Storage-From-Three-Gallon-Buckets/?ALLSTEPS

Posted in Cheap, Misc-Life, Tools | 2 Comments