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version 1.123, 2020/01/07 15:06:05
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version 1.124, 2020/01/07 15:09:58
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Line 297 Miscellaneous notes about Raspberry PI.
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Line 297 Miscellaneous notes about Raspberry PI.
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| ## Power supply needed (or: why there is a little rainbow square in the top-right corner?) |
## Power supply needed (or: why there is a little rainbow square in the top-right corner?) |
| Raspberry Pi devices are powered by 5V micro USB and a 2.5A (2500mA) |
Raspberry Pi devices are powered by 5V micro USB and a 2.5A (2500mA) |
| power supply is reccomended. For more information please read: |
power supply is recommended. For more information please read: |
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| <https://www.raspberrypi.org/documentation/faqs/#pi-power> |
<https://www.raspberrypi.org/documentation/faqs/#pi-power> |
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Line 309 sd0(umass0:0:0:0): generic HBA error
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Line 309 sd0(umass0:0:0:0): generic HBA error
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| sd0: cache synchronization failed |
sd0: cache synchronization failed |
| """]] |
"""]] |
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| Using a reccomended power supply avoid such issues. |
Using a recommended power supply avoid such issues. |
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| ## Xenon death flash (Raspberry Pi 2 is camera-shy) |
## Xenon death flash (Raspberry Pi 2 is camera-shy) |
| When using laser pointers or xenon flashes in cameras (or other |
When using laser pointers or xenon flashes in cameras (or other |
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