Wherein I take a break from pushing pixels around to wire my biker scout trooper helmet for sound.

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This week we have the new Servo Trigger, the ESP8266 WiFi module, a new version of the Taz 3D Printer, and more!

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High-­school science teachers can radically reduce the cost of building up science labs while giving students opportunities to engage in genuine design processes by introducing them to open­-source hardware. A vast collection of free and pre­-designed low-­cost scientific tools are available, many of which can be printed on a open­-source 3­D printer, including the printer itself. Not only can students benefit from access to research grade equipment, there are ample opportunities for students to build on, improve, and customize scientific tools as part of their curriculum. In this way the number and value of the open­-source hardware designs can expand with student effort, enabling a powerful motivating factor for science education.

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Some more filaments and some retail kits. That's what we've got for this week.

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The future is here. This week we have a sound generator, 3D printer, and more!

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Truth, although I hear that you can use the sharp edges to mark your material, if you’re careful.
I may have to do a micrometers tutorial in the future, but I rarely use them. I find that my calipers do most of the heavy lifting. As for…
One thing I forgot to mention: when using a vernier (no matter how you pronounce it!) if the zeros line up exactly with the fixed marks,…
Although I agree that for really reliable values, you need to use a “standard” (not to mention having everything at the right temperature),…
Good tutorial, Shawn! Calipers are definitely easier to use than micrometers, and for many purposes, are accurate enough. Each has things…
not directed at anyone specific, just don’t do it.
Calipers are never an improvised adjustable wrench!!!
This is a good explanation of how to use calipers. I would also add that calipers will only provide accurate measurements if they have been…
After adding the external battery do you find the extra bulk gets in the way of some readings?
Would you be willing to share these graphics. They are awesome

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