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Archive for the ‘Datacomm’ Category:
2024-11-02 AI Data Centers To Use Up To 40% More Electricity; Cleaning Snow Off Solar Panels
The demand for electricity will be up to 40% more just for AI data centers. Steve Hanley’s sarcasm about watching Tik Tok videos are included, no extra charge. https://cleantechnica.com/2024/10/30/update-ai-data-centers-the-demand-for-electricity/amp/ Video of track vehicle cleaning snow off solar panels. https://www.facebook.com/memezarrr/videos/2897041153788366/?mibextid=9drbnH
2024-10-24 Starlink Mini Approved By Joe Rogan
It’s the size of a notebook. For remote use. https://www.facebook.com/61552509624292/videos/1075991334061084/?mibextid=9drbnH
2024-05-26 Researchers Invent Mini Tuneable YIG Filter 3.4 to 11 GHz for 6G Datacomm
This is an interesting article: mainly about a miniature Tuneable YIG – yttrium-iron-garnet – filter that could replace many fixed filters. Quote “”Wireless devices use different filters for different frequencies, with the effect that covering all frequencies or bands requires large numbers of filters that take up substantial space. (The typical smartphone includes upwards of
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2024-05-22 Immersion Cooling Servers, Datacomm Equipment
That’s hard to believe! I would just put the equipment in a sealed rack with a lot of well filtered airflow. Someone suggested Fluorinert. https://www.facebook.com/reel/464912799258554?mibextid=9drbnH&s=yWDuG2&fs=e
2024-05-16 Delta-Sigma Modulator Using 555 IC And Current Source
This circuit is used for converting an analog signal into a digital pulse stream. Such things as class D audio amplifiers, servo amplifiers, A to D converters, or sending an analog signal across a fiber optic link. The Schematic and explanation here in this webpage. https://lrak.net/wiki/555_Delta-Sigma_Modulator.html The output signal is shown as audio modulated onto
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2024-03-31 LoRa Modules From Reyax
Supposed to have 10 to 14 km range. But probably at very low data rates. https://www.facebook.com/reel/936216961243959?mibextid=9drbnH&s=yWDuG2&fs=e
2024-03-30 MX20T Link Switch Port Tester
A long time ago when we were going to Cat5 UTP, I had a lot of these MX20Ts left over. So I made up a 15 pin plug with the negative 9VDC on pin 6 and positive on pin 13, and soldered the wires to the battery contacts. I taped the battery to the back
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2024-02-28 Smart Plugs, Power Strip
This is IoT internet of things. You can turn something on or off from anywhere. You can schedule it to turn on or off at certain times. Says, “…made my life 1000 times easier.” https://www.huffpost.com/entry/kasa-smartplugs-sale_l_65dcb876e4b0e4346d533b5d/amp
2024-01-10 SpaceX Satellite To Satellite Laser Links
SpaceX Reveals 8,000 satellite to satellite laser links. https://www.tesmanian.com/blogs/tesmanian-blog/starlink-video#:~:text=The%20’space%20laser’%20feature%2C,Gateway%20ground%20station%20on%20Earth.
