Monthly Archives: March 2017

Make a fog horn

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

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

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Another bubble reciept

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

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

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

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How to enable developer mode in Roku

I have a few of these boxes, so this could be useful in the future. How to Enable Developer Mode and Sideload Roku Apps  

Posted in Cheap, Software Development | 1 Comment

Interesting cheap 8 in 1 mill

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

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

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Make a PVC slingshot bow with whisker biscuit

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/  

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Cool idea, hang buckets to use to hold trimmers

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