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1.0K
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STICKY
Megathread: Random observations about electronic devices
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page 8
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Tech tips
Shorted USB data lanes signal a mobile phone the availability of indefinite charging speeds if manually supplied with a voltage.
683
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Observations
Optical drives read some damaged CDs better with underclocked laser, at higher rotation speeds and after heating up?
872
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Observations
Observation: The audio inputs (white and red) of old CRT televisions can be used without needing a video (yellow) signal, while newer TVs usually require a video signal for the audio inputs to be activated at all.
4
1.3K
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Experiences
If some features and controls are only accessible via the remote control - Something I disliked about CD/DVD players since childhood.
734
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Experiences
2012: A Samsung DVD-Video/Audio player had a feature that memorizes damaged files and mark them as unplayable. (Kept in memory even after disc ejection.)
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Observations
Some optical drives refuse to speed up again after encountering damaged parts of a disc once. (And other strange speed limits.)
899
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Power Supply Design: Switch-Mode vs. Linear
765
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From dB to S-point : learn to play with power units
291
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Observations
Some CD players from different vendors, when stumbling upon damage on audio CDs, accelerate disc rotation when the laser lost track, before trying to seek the last position again.
225
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Overburning CD-RW experience: Disc speeds up towards the end when played back using old audio CD player!
12
845
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Google Pixel 5 price just leaked — and it’s very bad news for the Galaxy S20
531
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Why Power Adapters Are So HUGE - TechQuick
2
711
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Why European power outlets have the best design (essay)
480
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Experiments
Extreme Speed Record Player - PhotonicInduction
975
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Breaking In a Power Supply (Overloading Electronics) - DanTheAwesomeMan
297
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Tested: The Xiaomi Redmi Note 8 Pro supports both Qualcomm's Quick Charging and MediaTek PumpExpress fast charging standards.
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The evolution of fast charging – summaized. ( Quick Charge & Pump Express )
378
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I Built 1 Bit of RAM From Transistors
7
1.2K
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Why mobile phone batteries have more than 2 terminals.
823
[deleted]
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Fixed an old '80s DustBuster today
2
297
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“Power Outlets PISS ME OFF [RANT]” – by LinusTechTips
7
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Difference between Linear Power Supply and SMPS (with Comparison Chart).
1.4K
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Breaking In a Power Supply (Overloading Electronics) - DanTheAwesomeMan
98
[deleted]
ALBUM
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@sporkulon Here are the pics of the VandyVape Pulse's PCB you asked me to get for you a while back
223
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Free Energy Devices Build and Science - ElectroBOOM
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