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281
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STICKY
Megathread: Random observations about electronic devices
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Article: I bought a 9,000,000mAh power bank from eBay, and I got what I deserved
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1.2K
IMG
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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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▶︎
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DIY Precision milliohm meter by popular request with circuit diagram. [Michael Dranfield] [12:33]
380
IMG
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Running the house on battery [450x948 - 49KB]
3
126
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Free Energy Devices Build and Science - ElectroBOOM
1
230
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Make Your Own Oscilloscope(Mini DSO) With STC MCU Easily : 9 Steps (with Pictures) - Instructables
663
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Now I learned ChatGpt can read your Gerber files and check your PCBoards. This makes my job so much easier.
657
[deleted]
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How and When the Chip Shortage Will End, in 4 Charts - IEEE Spectrum [archive.ph]
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1.3K
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Resistor finder
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919
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A highly performing transistor based on an inorganic metal halide perovskite
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771
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got a supernote today
3
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Quectel Launches "Cost-Effective" KG200Z LoRa Module, Built Atop the STMicro STM32WLEx - Hackster.io
2
609
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The Chip Collection - Chip Art Page 1, Smithsonian Institution
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[2016] ASAP Dash review: 5000mAh battery, 15 minute charge. For realz!?! [02:25] - Btekt
1.3K
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Making Water Spin Like Magic, LATITY-002 [11:41] – ElectroBOOM
1.2K
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Why Power Adapters Are So HUGE - TechQuick
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470
IMG
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Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]
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Bad Fuses [16:48]
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“Power Outlets PISS ME OFF [RANT]” – by LinusTechTips
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Observations
SD card reader by brand “entryx” sometimes automatically reconnects, then reading speed drops from 20 to 3 MB/s until reinserting memory card.
1.1K
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Cassette adapters are remarkably simple [09:32]
1.2K
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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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Voltage Boost Circuit / Bootstrapping [04:14]
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[deleted]
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Learn more?
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![Working on an HP DVM, this thing has had a lot of repairs in it's life. [4032x3024 - 927KB]](https://pic8.co/sh/V3Pvnn.jpg){kind=link}
![Running the house on battery [450x948 - 49KB]](https://pic8.co/sh/OwLs0W.png){kind=link}
![Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]](https://pic8.co/sh/VsouJn.jpg){kind=link}