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Personal electronics includes any device, including fitness and health trackers, watches and wearable technology or personal GPS devices. Examples ...

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Troubleshooting Solution

2 Prong Adapter


I have this cooler but I lost its 2-prong cigarette lighter adapter. Can you please help me out?

Lithium Evaporation Pools, Attacama Desert, Chile. 2015

The Ubiquitous Lithium-Ion Battery

Lithium-ion batteries area cornerstone of today's portable electronic devices, and even though they are relied upon heavily, their chemistry and origin are not of common knowledge. This article is about a device on which every smartphone, laptop, and tablet depends.

Nice to see that Apple is adding a "Find my AirPods" …

Nice to see that Apple is adding a "Find my AirPods" feature! I've seen a lot of commentary that …
Troubleshooting Solution

Timer Circuit not working


Hi Electronics Experts,

I have a HEF4528BP chip (dual retriggerable-resettable monostable

Advice Solution

Examining the content of the TV memory


I am trying to programmatically examine the installed apps on my Vizio TV. Specifically, I am

Research Solution

looking  for a decade counter -or- divider ?


Decade counter:

I am looking  for a decade counter,  I found some on-line like the 4017 and

Advice Solution

GFCI outlets with Fast USB ports?


Are there any GFCI outlets with Fast USB ports?  USB-A, -C or a combo?

For some reason having a hard

Troubleshooting Solution

PSU Amp/Watts Power Output.

Hi Experts,

I am looking for someone who is good with electronics, watts, amps etc.
I am …
Troubleshooting Solution

Linux HDD partitions and boot recovery

I have a satellite receiver with hard disk recording feature Panasonic TU-HMS3.
The HDD is PATA …
Troubleshooting Solution

Chinese DC fan

I bought a Chinese beamer for home.
It makes too much noise. I opened it to check the fan.

It is…
Troubleshooting Solution

Repair special Boot

By mistake I made a stupid failure.
I have 2 satellite receivers with hard disk recording feature …
Advice Solution

select a capacitor as a filter for a battery pack


I need to select a capacitor for a battery pack.  I see a lot of circuits that use Alkaline

Troubleshooting Solution

Using Electronics in Ukraine

Hi Experts,

I am not sure if I am posting in the correct category, but I would like to send some …
Troubleshooting Solution

Life hazard - LED stripe

Hi folks,
I would like to ask some electrician for opinion.
I have iron bed (iron frame and normal…
Troubleshooting Solution

Laptop wont boot up?


I have a problem with my Toshiba Laptop (c850), the power adapter, of the laptop itself blew …
A look at Apple's AirTag

Apple AirTag - Have Apple executives lost their minds?

A quick look at one of Apple's latest gadgets. AirTags and their Accessories. Read on to save yourself a ton of money and have a great laugh at the same time.
Troubleshooting Solution

Upgrade recommendations from Samsung Galaxy Note 5

I used this Note 5 for 2+ years with a great experience.  Great phone - large bright screen 5.7" …
Troubleshooting Solution

Which is the positive wire in this picture?

I am connecting a sub woofer in my car. My new speaker has a positive and negative on both sides. In…
Troubleshooting Solution

How do I disable the Verizon Lollipop ugrade prompt on Galaxy S5?

I upgraded to Lollipop and hated it with a passion, so I did a factory reset and now I'm back to …

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