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I've seen recent articles on the Raspberry Pi 2 being affected by a light source (http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=99042) . Apparently the cause is in the power regulation circuit of the Pi.

Does the Pi B+ have the same problem, or is the circuit sufficiently different that it does not have the affected component?

goldilocks
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John Smith
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2 Answers2

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According to the Raspberry Pi Foundation, the problem lies with component U16 in the power supply. This is not a component used on previous models.

The explanation is given here.

This also explains that the problem is a photoelectric effect caused by specific long light wavelengths, particularly Xenon camera flash guns. So other light sources have no effect.

Chenmunka
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I wouldn't consider this authoritative but the following article suggests it is "light" sensitive and not EMF as I had originally thought. Previous models are not affected.

http://arstechnica.com/security/2015/02/just-released-raspberry-pi-2-can-be-dosed-by-bright-flashes-of-light/

linhartr22
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