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The parts Viewed: 883 times.
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Top side soldering Viewed: 748 times.
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Bottom side showing the 74HCT240 chip, 0.01uF caps and 470K enable tie down resistor. Viewed: 710 times.
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Cut the trace that shunts the tie down resistor, else it will never shut off. Viewed: 581 times.
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Series transistors run off the same bicore output. Viewed: 726 times.
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A closeup of the same. Viewed: 788 times.
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Coil connection between Vdd and the collector of the transistor. Viewed: 716 times.
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The photodiode. Viewed: 719 times.
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The suspended bicore resistor, tuned for about 18khz. Viewed: 695 times.
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The string of LED's all in series. The last LED is white. Viewed: 953 times.
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And there it is. Viewed: 823 times.
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A top View. Viewed: 713 times.
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The white LED pointed at the camera. Viewed: 1211 times.
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