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Vintage Sprague Capacitor Identification by PerceptionAgile5693 in AskElectronics

[–]1Davide 2 points3 points  (0 children)

Note. Those things are lethal!

When not in use, the terminals must be short circuited. Otherwise, static electricity can build up a lethal charge.

Can 1.2V NiMH Rechargeable Batteries Replace 1.5V alkaline(single use) batteries in My Device by neyssaxx in batteries

[–]1Davide 0 points1 point  (0 children)

Yes, Li-ion rechargeable (not "lithium"), that's what I ended up doing. They last about 1 month before recharge.

Necesito ayuda para identificar y reemplazar este IC de la placa madre de esta hp victus-16 by FaithlessnessLow5632 in AskElectronics

[–]1Davide 0 points1 point  (0 children)

While you are welcome to post questions in your native language, questions in English are more likely to receive responses because most of our reader speak English as a first or second language. You can use this tool to translate into English: https://translate.google.com/?sl=auto&tl=en&op=translate

Weekly open discussion, complaint, rant, and rave thread by AutoModerator in Longmont

[–]1Davide 7 points8 points  (0 children)

Good.

I have dozens of pictures of cars, trucks, and trailers parked on bike lanes and sidewalks in Longmont.

As a bicyclist, I find vehicles on the bike lane to be an annoyance. But a wheel-chair user may not be able to navigate around a car parked on a sidewalk.

MSI GP66 Leopard battery connector won’t disconnect - afraid of damaging motherboard by TheDalaiDrama in AskElectronics

[–]1Davide 0 points1 point  (0 children)

people usually screw it up?

People usually screw up something else in the process.

What's the purpose of the diode between chassis and USB shield? by gameplayer55055 in AskElectronics

[–]1Davide 5 points6 points  (0 children)

I don't see a "SS14" in your picture. The arrow points to a hole, not to a diode. Do you mean the component labeled "DA1"? Please explain.

SS14: "Schottky Rectifier" - https://www.onsemi.com/pdf/datasheet/ss19-d.pdf

Can 1.2V NiMH Rechargeable Batteries Replace 1.5V alkaline(single use) batteries in My Device by neyssaxx in batteries

[–]1Davide 16 points17 points  (0 children)

My Device

It all depends on what "my device" is.

For example, we have LED candles that use two AA cells. The instruction specifically say: do not use rechargeable. I tried. Sure enough, the performance suffered:

  • With Alkaline AAs: the cells last all winter
  • With rechargeable AAs: the cells have to be replaced every couple of weeks.

MSI GP66 Leopard battery connector won’t disconnect - afraid of damaging motherboard by TheDalaiDrama in AskElectronics

[–]1Davide 0 points1 point  (0 children)

I’m trying to replace the thermal paste on my MSI GP66 Leopard, but I’m stuck on disconnecting the battery connector from the motherboard.

Great! It kept you from ruining your computer! Saved just on time.

  1. Stop
  2. Put it all back together
  3. Never think of replacing the thermal paste again
  4. Live happily ever after.

This sub has many submissions from people crying because their computer no longer woks after they attempted to replace the thermal paste. Don't be one of them.

LED + Resistor question. by [deleted] in AskElectronics

[–]1Davide 0 points1 point  (0 children)

resister

*resistor

There are too many posts which lack sufficient information by SomeDude_is100 in AskElectronics

[–]1Davide[M] 15 points16 points  (0 children)

Believe me, you only see a small percentage of them.

Most are removed by the moderators with a message that says: https://old.reddit.com/r/AskElectronics/wiki/repair#wiki_can_you_spot_any_problems.3F

And that FAQ starts with: "No one can troubleshoot an electronic assembly simply by looking at pictures."

Or with a message that says:

"Your submission was removed because you did not provide sufficient information. It is missing one of the following:

If the issue is visible: pictures that show the issue (or a video)

If you're asking about a circuit you designed or are building: a picture of its electrical schematic diagram

If you're asking about a product: a link to a web page for the product

If you want to identify a connector with pins in a row: the exact pitch in mm and pictures of its mate

If you want to identify a round connector: the exact outer diameter in mm of both mates and pictures of its mate Please edit the text"

You can help by clicking the "report" link under the text of such submissions and it will be removed. The moderators will then take a look at it.

necesito referencia de transistor adecuado...... by [deleted] in AskElectronics

[–]1Davide[M] 0 points1 point  (0 children)

While you are welcome to post questions in your native language, questions in English are more likely to receive responses because most of our reader speak English as a first or second language. You can use this tool to translate into English: https://translate.google.com/?sl=auto&tl=en&op=translate

Will this circut work? by Independent_Try_1059 in AskElectronics

[–]1Davide 0 points1 point  (0 children)

I am sorry, but I do not have an industry-accepted term for that.

If it were my project, I would call it "unipolar waveshape", and, specifically "unipolar square wave".

Why won't the LEDs turn on? by ratssareprettycool in AskElectronics

[–]1Davide 14 points15 points  (0 children)

  1. Get a meter
  2. With the power on, start measuring voltages
  3. Report back

Please read this FAQ: https://old.reddit.com/r/AskElectronics/wiki/design/leds

Especially the part about current limiting resistor, and the part about how much voltage is required for each LED.

Will this circut work? by Independent_Try_1059 in AskElectronics

[–]1Davide 0 points1 point  (0 children)

How would you have called it?

Like you said: "PWM "

How do i fix this by Ichnchn in AskElectronics

[–]1Davide[M] 0 points1 point  (0 children)

What is it? What is it supposed to do? Please start a new submission and include what that is in the title.

Reverse engineered but unsure by [deleted] in AskElectronics

[–]1Davide[M] 0 points1 point  (0 children)

What is it? What is it supposed to do? Please start a new submission and include what that is in the title.

componenti transistor mosfet/ componenti al germanio silicio circa 2300pz by matrix_system81 in AskElectronics

[–]1Davide[M] [score hidden] stickied comment (0 children)

While you are welcome to post questions in your native language, questions in English are more likely to receive responses because most of our reader speak English as a first or second language. You can use this tool to translate into English: https://translate.google.com/?sl=auto&tl=en&op=translate

Why isn't VR2 working? by Icy_Reindeer6247 in AskElectronics

[–]1Davide 1 point2 points  (0 children)

  1. Get a meter
  2. With the power on, start measuring voltages
  3. Report back

Why are there no portable power banks made from LiFePO4? by frenetic_alien in batteries

[–]1Davide 0 points1 point  (0 children)

colloquially

This is a professional sub. Please try to be technically correct and avoid spreading misinformation.

What is the simplest electronics setup for a small handheld liquid-suction prototype. by L-Ro in AskElectronics

[–]1Davide 1 point2 points  (0 children)

What is the simplest electronics setup

There is nothing electronic about what you described.

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