We have a gathering of kids in our town and we are supposed to tell them what we do - Electronics Circuit Design and to spark an interest.I thought of having some small electronic circuit making activity as part of the session.LED Throwies is one of...
I have a Blackberry Keypad, and a custom Gamepad. I am trying to make them into bluetooth HID(s). They will be part of a single physical unit/board. I need help to get those inputs into a bluetooth chip and transmitted accurately in real-time. (The...
We are developing an opensource learning cum prototyping platform for students and makers. We need your support to make the crowdfunding successful at http://igg.me/at/evive
I am trying to understand how to fill out the FW-8-BEN form for International winner (ideally Canadian). The difficult part is section II Claim of Tax Treaty Benefits - Special rates and condition.Should I just give up and let them classify...
Today the QUT (Queensland University of Technology) starts an free online course about robotic vision. The duration is about 8 weeks. The needed MATLAB software can be used for free in the course time!
Hello dear community,As the question of spam is trending again, I have thought about reasonable, fair and efficient measures that the HaD team could implement quickly to reduce the annoyance.One modest proposal is embargoing projects of new users...
I'm thinking of re-doing the electronics to an old shift-register based 8x8x8 LED cube (uses 5v LEDs). I want to instead do fast pwm in hardware.Unfortunately its built with the layers being common anode. So I need 64 individual pwm outputs which...
I do a decent bit of work with Minneapolis Public Schools and they invited me to display a booth at their STEM career expo in February. They want hands-on practical career-oriented demos for the 8th graders that will be cruising around the fair,...
EDIT: does not look like a medstone 300, very similar, almost entirely similar. it may be a medstone 200 series unithttp://imgur.com/a/MR3NThey guys, I found an x-ray machine for free on craigslist and I'm getting all the information I can before...
Did you saw the last version of Eagle Ver 8? https://twitter.com/ADSKEAGLE/status/830126923539939328After a quick review, I found some major changes:-You must sign-in/create an account in the first run of the free version.-A new tool called "Past...
The bi-color matrices I ordered turned out to be common-anode ones, and not common-cathode as I expected. This means that I can't drive them with the HT16K33 chip as I planned, as it only has 8 cathode pins. I can't even use two such chips to drive the...
Just learned about this 2.13" 3-Level Grayscale + Red ePaper display. $12 at Quantity 1 and $10 at Quantity 20. Looks like it would be great for low power conference badges! https://www.crystalfontz.com/product/cfap104212b00213-epaper-104x212-red-gray-graphic...