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STICKY
Megathread: Random observations about electronic devices
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Working on an HP DVM, this thing has had a lot of repairs in it's life. [4032x3024 - 927KB]
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DIY Precision milliohm meter by popular request with circuit diagram. [Michael Dranfield] [12:33]
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Bad Fuses [16:48]
143
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Observations
Optical drives read some damaged CDs better with underclocked laser, at higher rotation speeds and after heating up?
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IMG
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Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]
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Some really tiny USB-C boards - MangoGeek dual serial USB board and Ant2 LiPo Charger
915
IMG
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Running the house on battery [450x948 - 49KB]
3
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Resistor finder
8
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Easy - KiCad Symbol, Footprint and 3D Model! [08:08]
234
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TIL, MFJ closing down manufacturing facilities effective May 17th 2024
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1.1K
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Free Energy Devices Build and Science - ElectroBOOM
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804
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Using 5V Programmable Logic Here In The 2020s
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I built an LED Sphere (Ping-Pong Size) [08:09]
602
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A stretchy display for shapable electronics
1
545
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I need a cheap-ish, 16 bit A/D, preferably with a mux/multi channel input.
3
1.3K
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Neon Lamp information, types, and circuits. [PDF]
1.1K
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Mechanical circuits: electronics without electricity [19:22]
1.2K
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VL53L7CX Time-of-Flight (ToF) sensor offers camera-like 90° field of view
327
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Torching A Computer (While It's Running) [12:01]
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Fans; High is next to Off on purpose [17:48] - Technology Connections
1.2K
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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.)
1.1K
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Mini review of GGtag e-paper display programmable through sound or USB serial
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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.
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Learn more?
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/s/Electronics
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![Working on an HP DVM, this thing has had a lot of repairs in it's life. [4032x3024 - 927KB]](https://poal.co/static/images/V3Pvnn.jpg){kind=link}
![Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]](https://poal.co/static/images/VsouJn.jpg){kind=link}
![Running the house on battery [450x948 - 49KB]](https://poal.co/static/images/OwLs0W.png){kind=link}