#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]
Zee Ultimate Solar Mobile...
Dave Hrynkiw
May 5, 2006
I had been giving some advice to Mark Malmberg about some art he's been putting together. Wanna see a killer huge solar-powered hanging mobile?
From the builder himself:
This piece has been a test piece and learning experience. I'll show it in a couple of months at a place called the Lawrence Hall of Science in Berkeley, CA for their annual fundraising dinner. Other than that, it's not really built for display, somewhat fragile to transport.
It ain't hardcore BEAM, but it's still cool...
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.