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March 24, 2008
about 4 months ago
It would be really helpful if the kit contained ¼ W resistors instead of 1/8 W ones, which have very thin, easily bent leads that are hard to insert into breadboard holes.
about a year ago
I’ve just been reading the Quick-Start Guide for this board, plus some other educational pages SparkFun has provided (on SI units), and have to say that I am really impressed with the way SparkFun supplies thorough, easy-to-grasp, step-by-step info for users of their products. Great going, SFE! Thanks! My students appreciate your work as well.
News - Science Time with Shawn: …
about 2 years ago
This was a nice video, just right in length and complexity.
Suggestions: yes, fix the audio, but also, move the teleprompter or cards from which Shawn is taking his cues (he rarely sounds like he’s reading word for word), and move them just above the camera lens, so he doesn’t have to look away.
Thanks for the informative video – I look forward to more.
about 2 years ago
I’d like to suggest an improvement to the SIK: please use 1/4W resistors, not the 1/8W ones as currently. The latter are spindly and often very difficult to insert into the breadboard. The cost to beef up the leads can’t be more than a nickel or a dime.
Otherwise, the SIK is very useful, particularly with the updated and improved handbook and code examples. Thanks!
about 4 years ago
I concur with all that rperkins wrote, esp about the motor and the spindly leads on the resistors and the diodes.
I checked the website for the transistor datasheet and found that the pinout is not the same as the actual pinout of the delivered transistor: emitter and collector are reversed. Had to use 1K resistors, and even then the motor would barely spin. Added an external bench power supply, then the motor would go reliably.
I have a class of 15 students – you can imagine that I was busy troubleshooting their circuits, despite having got mine to work before class. Apparently some of the kits contained different transistors, which worked differently (pinout). Finally we gave up on the little transistors that came with the kit and I broke out the TIP 120’s, which worked really well. These would be a much smarter choice for the kit.
Finally, somebody should have tested all these circuits before the kit went onto the website. I’m a fan of SparkFun, but today’s troubleshooting was NoFun.
Prof. Michael Rodemer
University of Michigan
School of Art & Design
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