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Lab Projects

3D-Printed Case for Onion Omega2 and Mini-Dock

Posted by Jason Robinson on

A while back we promised that we would share our files for the Onion Omega2 / Mini-Dock case we designed.  Well we forgot - and to show how sorry we are, we'd like share them with you all now.  We humbly offer them below as two .stl files (top and bottom).  They are not fancy designs, but they work well enough and don't obscure any buttons or connections. Case Top Case Bottom

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The ReMix Chronicles: Part 2

Posted by Jason Robinson on

Our first big ReMix Project at Double Helix is building a functioning telegraph.  I don't know exactly why the kids decided of all the things to build they wanted to build a telegraph machine, but who am I to stand in the way of their creativity.  We watched a couple videos on YouTube on how a telegraph machine works and then we set about on drawing up some simple sketches on how they wanted their telegraph to work.  You can never underestimate the intelligence of children as well as how creative they can be. By this point in the curriculum,...

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Using the Sparkfun Moisture Sensor in our Herb Garden

Posted by Jason Robinson on

Here's What You'll Need to Make Your Sensor The SparkFun Moisture Sensor is a new addition to the FRL catalog, so we thought we'd give it a try tending our new herb garden.  Hopefully, these fresh sprouts don't go the way of our poor African Violet and we'll be able to enjoy some fresh herbs by summer. Here's How To Hook it Up and Program It The Soil Sensor requires an input voltage and ground, and in exchange gives you a signal that can be read by an analog input on the RedBoard. Once you have the wiring complete, you...

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Quick and Dirty: 3D Printing Missing Parts

Posted by Jason Robinson on

In preparation for next week's Parent/Child Arduino Coding Workshop, we did a little organizing in the lab.  We have quite a few plastic cabinets to store our stuff because they look reasonably nice and they are the right price for the amount of stuff we can store in them.  We've put many of these same type of cabinets together in the past, but when we opened today's box, we were met with an omen: Normally, we don't pay much attention to these signs and this one was discarded with instructions.  95% of the way through the assembly we discovered that...

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