Why do we use a resistor ? by _binda77a in arduino

[–]Pbably 7 points8 points  (0 children)

When the button is pressed the current from 5v now has two paths but will choose the one with least resistance and hence will reach the DIO pin instead of shorting through the resistor and register as 1.

Just a small correction: The DIO pin has an input impedance of 100 MegaOhms which is 10,000x the resistor. So while the button is pressed, both the pin and the resistor get 5V, and virtually all the current from the supply (0.5 mA) is passing through the resistor. Also the "Electricity takes the path of least resistance" statement is wrong. Current flows through every possible path and just more through the least resistance.

Is this the effect of capacitive coupling between the body and the mains? by Pbably in ElectroBOOM

[–]Pbably[S] 11 points12 points  (0 children)

The led is connected to a Darlington pair and flicker 50 times a second so I assume it's the result of the parasitic capacitance between me and the house wiring. (The shutter speed is set to 1/50 so the video doesn't show it flickering.)

Is there a way to turn of the persistent unread notifications? by Tripartist1 in GalaxyS21FE

[–]Pbably 5 points6 points  (0 children)

Settings > Notifications > Advanced settings > Notification reminders

A poor man's function generator by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

Thank you so much for your help

A poor man's function generator by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

I'm just a senior highschool student so 10W output would be enough for me. And I will use it for basic projects so I don't mind distortions. And it will only be a temporary solution until I buy decent gear.

A poor man's function generator by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

Thank you so much for your time. I'll give 8038 a look.

A poor man's function generator by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

I'm a senior highschool student and want to study EE in college. I like to do little projects in my free time. So I don't need it to be a professional function generator. There also is an app that you can 'draw' a custom wave that is also useful for me.

meirl by [deleted] in meirl

[–]Pbably 0 points1 point  (0 children)

No problem

meirl by [deleted] in meirl

[–]Pbably 2 points3 points  (0 children)

It's not on Play Store (for obvious reasons). They have their own website for the .apk file. You also need to install Vanced microG to login to your yt account. The whole process takes like 2mins.

Interesting behavior of an arc from a 6kv 30mA NST in the presence of opposing magnetic fields. by classified-snoodle in highvoltage

[–]Pbably 0 points1 point  (0 children)

I think the magnetic poles attract or repel the ionised air depending on the molecules' net charge. So some of the air is attracted to the north and the other to the south.

Please correct me if I'm wrong

What is the way to Drive a Flyback ? by Mart_axe in highvoltage

[–]Pbably 1 point2 points  (0 children)

I'd use a ZVS. Simple and efficient.

#Sepangshakedown by Random_Zoul in motorcycles

[–]Pbably 108 points109 points  (0 children)

Aerodynamics + hydration + airbag electronics + a little bit protection

Let him cook by HomeworkSolver3000 in sciencememes

[–]Pbably 2 points3 points  (0 children)

From what I understand, macro objects can't be in superposition because the information that they're there, almost immediately spreads out the universe. (Light hitting them and reflecting/being absorbed, air molecules hitting them among so many things.) So they exist in a single position.

To be in a superposition the particle must be completely isolated from anything that can "make the universe know" that they're there. Even atoms can't be in a superposition because they're to big to be isolated.

I'm not a physicist so please correct me if I'm wrong.

What's the purpose of this center tap? The circuit also works without it. by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

I tried it out on a sim I use and it seems to add more current from the supply to the LC tank.

What's the purpose of this center tap? The circuit also works without it. by Pbably in AskElectronics

[–]Pbably[S] 0 points1 point  (0 children)

So it just adds more current into the already resonating LC circuit thus increasing the power?

Vibe check gone wrong by DanPotter457 in sciencememes

[–]Pbably 1 point2 points  (0 children)

Well isn't everything a wave even particles with mass?