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lemming741 @ lemming741 @lemmy.world
Posts
5
Comments
631
Joined
2 yr. ago

Looking at 2 Uninterrupted Power Sources, CST1500SUC and CST135UC2. Which should I go for?

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  • Computers use switch mode power supplies. The first step is a bridge rectifier, they could run on a square wave or ~170vdc. Most have active power factor correction, which chops the incoming current up even more.

    Cheap capacitive dropper power supplies won't like a modified sine. Simple motor loads won't either. If you're doing radio frequency work, it will be a huge source of noise but shouldn't damage anything.

    • What is the secret to making LED light bulbs last as long as the package says?

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  • They are commodity now. No way for a brand to differentiate themselves other than price, and consumer s usually buy the cheapest thing available. There's no market for nicer designs because they're too expensive. They may offer more expensive bulbs, but it's probably still the same shitty cheap design.

    My experience is that dimmable bulbs last longer because the power supply cannot be shittified as bad as the on/off.

    • What is the secret to making LED light bulbs last as long as the package says?

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    • Japan rivals Nissan and Honda will share EV components and AI research as they play catch up

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  • No one wants to partner with Toyota for fuel cells?

    • Japan rivals Nissan and Honda will share EV components and AI research as they play catch up

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  • That ship sailed when they built the Alabama plant.

    • Tax Act's Unsubscribe Has Been Broken for Months

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    • Private Security Camera

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  • Be aware that some only work with neolink in between. I have some B800 cams and the picture is phenomenal, but I have to use neolink and h265.

    I moved to Amcrest. Much more open, the api is documented, and h264.

    Oh, and frigate NVR

    • Biden administration announces new $1.7 billion lethal aid package for Ukraine

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  • It's only $5 a person so...

    • Can You Inject Hot Glue Into 3D Printed Molds? | DIY Cable Repair & Protection - spoiler: yes, it's neat

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  • I just glued these to mold halves to eachother, and now they're stuck together 🤣

    • Rule

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  • "luxury" just means new. Who is building "basic" apartments anymore.

    • Trump will no longer send out his statements of worth

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  • The house looking like a rummage sale

    • Unreal Engine supervisor at ModelFarm blasts 50% failure rate with Intel chips — company switching to AMD's Ryzen 9 9950X, praises single-threaded performance

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  • AMD will be able to raise prices, unfortunately.

    • freezing point curves

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  • That chart stops at 100% what a noob. Back to the lab with ya!

    • What product have you purchased based on advertisment from modern podcasts and youtube channels that have worked out well?

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  • Level1techs $100 credit reeled me in too.

    • What product have you purchased based on advertisment from modern podcasts and youtube channels that have worked out well?

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  • Looks like legit ingredients, but it is expensive

    • What product have you purchased based on advertisment from modern podcasts and youtube channels that have worked out well?

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    • Dog-like robot jams home networks and disables devices during police raids — DHS develops NEO robot for walking denial of service attacks

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  • Certainly not any evidence, as that would be illegal

    It actually only checks every 30 seconds and sends an email if it fails for 3 minutes. But don't tell the feds.

    • Dog-like robot jams home networks and disables devices during police raids — DHS develops NEO robot for walking denial of service attacks

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  • Jokes on them, Uptime Kuma pings my doorbell cams every 5 seconds and starts the self-destruct sequence if they aren't reachable.

    • People Are Still Being Swallowed by Storm Drains. One U.S. Agency Is Pushing for Safety Measures.

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  • New fear unlocked 🔓

    • Biden’s exit from the race is just what Trump feared

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  • Trump loves the poorly educated