What happens when you use 10x the voltage on a Raspberry Pi?
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- เผยแพร่เมื่อ 8 มิ.ย. 2023
- Less dramatic than I expected. Links for barrel to usb c adapter below
If the red light on your Raspberry Pi is blinking, this indicates that the power source it is connected to is not providing enough power (check this article to avoid this issue). This occurs when supplied voltage is below 4.63 Volts. The Pi will not be able to turn on without the proper amount of power.
I was expecting something more like in this video by ElectroBOOM
Which is the Killer, Current or Voltage?
• Which is the Killer, C...
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Having the wrong power supply can damage sensitive electronics in the following ways (in order of likeliness):
1. Wrong polarity
2. Too high voltage
3. Too low voltage
4. Power supply providing AC instead of DC
5. Too high ripple on voltage
6. Too high ripple on current
7. Lastly, if the device draws more then the power supply can provide, the power supply will overheat and stop working. However, this should not damage the device (if the power supply is constructed properly).
USB-C PD is supposed to solve/prevent all of these.
The only AC adapter I managed to work with my Pi4 is 5V 4A which delivers a comfortable 20W.
This way I can get rid of the yellow lightning in Raspberry Pi OS.
The official Pi one always works well for me
Ahoy, Thanks for your interesting video. I've been using this type adapter for about a year. I bought them originally for a FriendlyArm Nano M4. I use a 5V 4A supply that came with my Atomic Pi. I also use an adapter on my RPi400 and OPi 800. I since bought a whole kit of adapters to use barrel connectors on about 30 different power inputs. I've never blown anything. I've found using a higher amp/watt rating helps keep the power supply itself running cooler. Under powering means either it won't work or the PS gets hot and can fail. Thanks again, daveyb
I have a desk power supply that I can dial in exacly what voltage and ampage is required, its great for those occasions when I dont have the correct power adapter for something, although its main use is for my electronics projects.
I don't fiddle around much with projects, but I've been planning to get some psu for that exact purpose.
you get 10 times the performance right?
At least that. The red light was flashing 10x faster
@@leepspvideo I wonder what is the issue with the pi, I would really want to fix it
@@H-W I guess it’s a hardware issue. All the recommended fixes have never worked
@@leepspvideo put it in the oven
@@H-W temperature?
Interesting that the 50v adapter did not do some major damage. I accidentally use 12v on a raspberry pi 3b and it burned up several components on the board and there are several components in the power section that get really hot. I doubt it is worth repairing though if 12v got onto the 5v rail.
So, the issue that I have with using power supplies isn't so much the voltage but the amps. When I want to power multiple sbc's with one psu. I can find a psu that gives the 3v, 5v and 12v is needed, but the amps are a mystery. How do I ensure that I get the 3A needed out of the psu?
I tested RPi4 up to 6V and there was no smoke and RPi4 works correctly. I usually have around 5.2-5.5V on RPi4 5V pin and all is ok. Btw I have not seen any RPi4 consuming anything above 2.2A with SSD connected - even during stress test (all cores 100% and dd test on SSD at the same time). The 53V for router is probably because this router has PoE there and PoE is high voltage.
Also mistake (I think) in your conclusion here @3:00 - USB PD does NOT drop to 5V - nominal IS 5V. Anything above 5V is ONLY if the load communicated to power supply: "I would like to use 12V/19V" - not opposite. That is why, even old loads would easily work with USB PD - if the loads have no chip to "tell" PD how many volts it wants USB PD will only deliver 5V.
With regards to power: what you read on power supply is MAXIMUM power that can be delivered if load requires it - NOT the power that will be delivered unconditionally. It is a load that determines how much power it needs - power on power supply only shows what power supply can do.
But I might be wrong ;-)
The sega game gear is centre negative as well, confused the **** out of me until i checked the sticker lol
Lee I was sure you were going to demonstrate the "Smoke Theory of Electronics" up till now a specific domain of Technical Student/ also Engineering students. We try to keep it hush hush to the public...well I see that I was wrong....:)!
Have a nice week.
This video shoould be titled 'how to brick your Pi'
some of those pwer supplies are unregulated.
i.e. it may say 5 volts at 2 amps, but unplugged its more like 9 volts with no load (device) plugged in.
Just buy the proper power supply for the Pi
I have 2
leeps, would a AOHI Magcube 140W USB C Charger PD3.1 3-Port GaN+ Laptop Wall Charger sufficiently power a pi 5? i dont want to add an amazon link to it but you can easily search for and find it as it's yellow. my thoughts were not, but the build i'm working on doesn't have room for the canakit 27w @ 5.1V 5A bulky white cable. I have a nice USB type C cable that has a an LED display which i wanted to use.
It will work but not recommended as an ideal fit for Raspberry Pi 5 as it’s 5V 3A which is the norm for usb C. Look for 5V 5A in the specifications
iaohi.com/products/aohi-140w-gan-usb-c-wall-charger
Is listed as 5V 3A
@@leepspvideo thank you. i concluded this as well. the canakit power supply for the pi 5 is high quality and appropriates so that's what I'll use.
great channel. please keep posting great content!
Now that we know you have a cat, obviously you have to include him in every video. :P
the importance isn't necessarily on the voltage but the supplied current. this is partly because of voltage regulators. if you supplied it with 10x the amperage i would like to see what would happen.
Mhh. I don't think so. It depends on the voltage, THAN the amp. You could supply 50 amp at 5V without problem. Not 100V at 2.5A
🎉Something funny. Yesterday it got hot around here. Started popping the breaker. It's 15amp and draw is less than 12amp. Short? Went hunting. 12amp draw! Solution? Cool the breaker! It's on a sunny side wall!!🤒😵🔥🥴🤔🤣,jpk
i hate when my cpu explodes like that
Wow. I need shed just to keep all the batteries and chargers in. 🤣 Then find the matching pair. 🤔 Thanks, nice info.
I would be afraid to do that ))
over_voltage=yes
In my experience, it doesn't matter how many watts a power supply delivers. It is important that the USB specification is still complied with under full load. I loaded the Raspberry PI original power supply with 3A and I still got 4.74V of voltage delivered. Conclusion this power supply is unbeatable.
no, you conclusion is wrong - corrcect conclusion: you cables are TOO THIN/or too long so the voltage is dropped on the cables and connectors - there is no way RPi4 takes 3A without external devices i.e. usb hdd
One scary title Lee lol
Where is the fire? We were hoping to see the Pi spark and melt.
Hello, I could see that your shirt was full of cat hair. What is your cat's name?
Leo
@ same v (5v), amps should be no problem. If >v watts become critical. On board regulator ~25 w starts heating. I'm going to use a ATX 400w power supply to power my dual 4 bank pi's cluster (4 rp,2 op5+,1 rkpi5, and rpi4b) using 5v on pin header, extending to handle all my fans. Each pi has ssd and/or 2 usb Satas. Satas using EXTERNAL power from ATX...otherwise you'll overload the draw on the rpi's. Rpi sensitive to overload v. 3588 less so. AVR hardly.🥰,jpk
I still want a Peltier cooler on the rack using 12v and mosfet on PWM. I'm not concerned about power yet. Mostly lab stuff. Only 1 battery app and it's independent and 3.3v.
Ok, it didn't burn. But you didn't told us if it is still running now if you use the correct voltage now.
It wasn’t running before. It’s behaving the same since red light stays on a quick flash of the green light on startup no video output doesn’t seem to want to access sd card or usb drive.
Weirdly about a month ago I was trying a Poe hat and I could boot to the imager/installer screen but it wouldn’t go past that.
@@leepspvideo Ah. Ok. Sorry. You told that at 5:39. I didn't watched carefully the first time.
rkpi5 rk3588 starts to throttle(?) @ 85°c. 61c no problem Wear(? @ 86c).
2:27 OMG!! lol. Yep, that would be a shitter
Kaboom? 😊😂🙋
Must watch the video now. But only reading the topic: WTF?! Other guys can't buy a Pi and he want to fire it?
That's what I thought as well.
It’s not been working for a long while
Is that cat hair on your T shirt? 5:02
Yes
@@leepspvideo 🆗
try like 5V 10A
The official one always works great. 5.1v 3A
@@leepspvideo ik but try higher current
Pi's have Voltage Regulators on them
The Pi 400 I have mentioned before was from a user that had plugged in the Elecrow Crowpi L adapter which is 12V usb C. It instantly bricked
Well...
Mission Successfully FAILED
Why not try a 1000v power supply. The pi might die of(v)olt-age! 😁 (Old age🤣)
10 times speed duh
What a stupid idea to put non-USB output on a USB plug. A USB-C power supply that NEGOTIATES a voltage within in the standard is one thing, a manufacturer just using a USB-C plug on a non USB compliant power supply is just a disaster waiting to happen.
microwave oven it doitttttttttttttttttttt.