Category Archives: Arduino

Arduino Controlled PWM fans to cool a PC rack

Actually I was looking at this build for some other cooling needs myself.  Not so much a computer rack.  I have lots of “fans” around from PC’s I have stripped over the years from the side of the road.  Always … Continue reading

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Convert a GRBL with arduino CNC v3 Shield to use a servo for the Z axis

So you built one of the CDROM CNC’s and have a CNCv3 shield instead of a cobbled together setup.  The author goes over how to tweak it so you can use a servo in the z axis over a stepper. … Continue reading

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Wow this is a fancy skittle sorter

This is a pretty fancy looknig sorter, impressive too (fast as well).  Uses 2 atiny’s to control it.  Would I build one…no way too much work involved in this build.  Still a nice build overall. M&Ms and Skittles Sorting Machine … Continue reading

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Using arduinos to modify Amazon Dash

Nice article that has lots of pointers for how to get started with modifying amazon dash buttons. Dash With Arduino https://hackaday.io/project/19351-amazon-dash-button-for-arduino https://github.com/andium/AmazonDRS Nice reverse engineering video here 33C3: Hunz Deconstructs the Amazon Dash Button

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Convert a cheap toaster oven, into a high end one

The author basically took a cheap toaster oven and converted it with an arduino to make the temp more stable.  This is good if you are not just cooking, but for surface mount chips, or if you are melting plastic … Continue reading

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Another interesting remote garage door hack

OK this one is same as a bunch of others I have seen, but it logs the data for opening the door to a google drive.  Also the author uses a MOSFET to trigger the relay instead of doing it … Continue reading

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Build a wave tank generator

Great way to show kids how waves affect shapes, or show waves in general.  Looks liek a pretty simple build too. http://www.instructables.com/id/Arduino-Wave-Generator-Tank/

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A cheap CNC build

OK I know there are alot of these out there.  What makes this different is the lead screw and brass nuts used are under $10.  I haven’t looked at getting that stuff from banggood.com before.  But I may this time.  … Continue reading

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Converting a CNC to use arduinos

There are alot of  old CNC’s out there that this maybe a good way to “upgrade” them.  In the 1990’s CNC for metalworking where coming of age, problem was most of them never got updates, so they are still running … Continue reading

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Make a $5 POV sign

Now if he had used an ESP so it could be programmed wirelessly too…. Either way this is a pretty nifty build. http://www.makeuseof.com/tag/make-pov-led-air-writer/

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