Compatibility with RPi 3B cases ?

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Dr.Methyl
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Compatibility with RPi 3B cases ?

Post by Dr.Methyl » Thu Apr 30, 2020 9:53 pm

Hi,

at first I would like to give to hardkernel a big THANKS ! for this board because it looks like an RPI 4B without its problem.

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
2) CPU powerhorse seem to be the same
3) EMMC memory fills the lack of the Pi4
4) standard HDMI on the C4 unlike the crappy mico-HDMI...
5) Probably not the fucking cooling problems
6) Form facto is like RPi3

Concerning the last point , I have a question : Can I fit it in an old RPi case if I drill a hole for the PSU JACK ? Has anyone tested to put it in a pi case ? I am curious to see the results... apparently the sd card is not at the same place. I hope its not a problem to put in the case...

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Re: Compatibility with RPi 3B cases ?

Post by Mullcom » Fri May 01, 2020 4:15 am

Dr.Methyl wrote:Hi,

at first I would like to give to hardkernel a big THANKS ! for this board because it looks like an RPI 4B without its problem.

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
2) CPU powerhorse seem to be the same
3) EMMC memory fills the lack of the Pi4
4) standard HDMI on the C4 unlike the crappy mico-HDMI...
5) Probably not the fucking cooling problems
6) Form facto is like RPi3

Concerning the last point , I have a question : Can I fit it in an old RPi case if I drill a hole for the PSU JACK ? Has anyone tested to put it in a pi case ? I am curious to see the results... apparently the sd card is not at the same place. I hope its not a problem to put in the case...
I think this depends. How much ditail rpi case is. ;)

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Re: Compatibility with RPi 3B cases ?

Post by ftdomen » Fri May 01, 2020 2:10 pm

Dr.Methyl wrote:
Thu Apr 30, 2020 9:53 pm

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
To each their own I guess. I'm annoyed Hardkernel is using yet another different sized barrel and wishing they would have just let us power the device via a USB C port.

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Re: Compatibility with RPi 3B cases ?

Post by rooted » Fri May 01, 2020 4:26 pm

ftdomen wrote:
Dr.Methyl wrote:
Thu Apr 30, 2020 9:53 pm

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
To each their own I guess. I'm annoyed Hardkernel is using yet another different sized barrel and wishing they would have just let us power the device via a USB C port.
It's the same size the XU4, the HC2, the N2, and I think the H2 is using.

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Re: Compatibility with RPi 3B cases ?

Post by mad_ady » Fri May 01, 2020 6:44 pm

H2 has a thicker power jack
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Re: Compatibility with RPi 3B cases ?

Post by Tenaja » Fri May 01, 2020 7:47 pm

ftdomen wrote:
Fri May 01, 2020 2:10 pm
Dr.Methyl wrote:
Thu Apr 30, 2020 9:53 pm

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
To each their own I guess. I'm annoyed Hardkernel is using yet another different sized barrel and wishing they would have just let us power the device via a USB C port.
Ditto! (Sort of...)

I already have C chargers everywhere (phones, tablets...), and I never worry about adapters, or is this barrel the right size.

I'm GLAD power supplies are finally to the point where one fits everything... And C chargers are almost always smaller than "12v" supplies.

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Re: Compatibility with RPi 3B cases ?

Post by fvolk » Fri May 01, 2020 9:53 pm

mad_ady wrote:
Fri May 01, 2020 6:44 pm
H2 has a thicker power jack
I'm confused - H2 and C4 use the same size?
And a 15V PSU should be useable with both... :-)
See:
https://www.hardkernel.com/shop/odroid-h2/
1 x DC jack : outer (negative) diameter 5.5mm, inner(positive) diameter 2.1mm
DC 14V ~ 20V (up to 60W)
DC 15V/4A power adaptor is recommended
https://www.hardkernel.com/shop/odroid-c4/
1 x DC jack : outer (negative) diameter 5.5mm, inner (positive) diameter 2.1mm
DC input : 5.5V ~ 15.5V
DC 12V/2A power adaptor is recommended

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Re: Compatibility with RPi 3B cases ?

Post by mad_ady » Fri May 01, 2020 10:57 pm

I meant to say thicker than XU4's - as far as I remember... But don't count on my memory...

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Re: Compatibility with RPi 3B cases ?

Post by crashoverride » Sat May 02, 2020 1:37 am

USB-C power is fine for something like a RPI where people will use it a few times and then stick it in a drawer never to be seen again. I have no intention of connecting and disconnecting my C4 whenever I need to charge my phone [1]. While a phone/tablet/laptop will operate fine without a USB-C cable attached, a SBC will not. It requires a dedicated power supply.

The C4's barrel connector is far more "Maker Friendly". As a real life example, I intend to use C4's in "home arcade" cabinet mods. The display is 12V, the audio amplifier is 12V, and the C4 is 12V allowing me to power everything from a single power supply. There also are no USB-C 24W (12v@2A) power supplies certified for 24/7 peak operation that I can find.

[1] This is hypothetical since GO-Advance is the only USB-C powered device I (will) own. USB-C appears to be quite rare here. An Apple charger port, on the other hand, would be far more practical. ;)

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Re: Compatibility with RPi 3B cases ?

Post by rooted » Sat May 02, 2020 9:50 am

Type C would almost need to be PD enabled, not everyone has this type of brick and it adds unnecessary complexity.

I like Type C, the reason being of course the ability to plug either way and PD functionality. On a phone this makes sense as your doing it every day often in a dark environment, on a SBC you aren't and even if you are a barrel jack can also be plugged in any way.

It wouldn't hurt my feelings if the OTG was Type C with video out capabilities.

(Lightning connectors suck )

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Re: Compatibility with RPi 3B cases ?

Post by crashoverride » Sat May 02, 2020 10:16 am

rooted wrote:
Sat May 02, 2020 9:50 am
Type C would almost need to be PD enabled
It would need to be USB-PD or lose two of the USB3 ports like RPi does.
rooted wrote:
Sat May 02, 2020 9:50 am
Lightning connectors suck
Your going to make Tim Cook cry!

I am sure if there were sufficient market interest, a 3rd party could easily make a USB-PD to barrel connector adapter board. There is plenty of room to even make it aesthetically pleasing.
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Re: Compatibility with RPi 3B cases ?

Post by rooted » Sat May 02, 2020 7:47 pm

I know Timmy Cook and he doesn't cry.

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Re: Compatibility with RPi 3B cases ?

Post by Dr.Methyl » Sat May 02, 2020 9:27 pm

ftdomen wrote:
Fri May 01, 2020 2:10 pm
Dr.Methyl wrote:
Thu Apr 30, 2020 9:53 pm

1) PSU of RPi is a crappy Type-C usb, C4 has a good range of standard barrel jack PSU and can be powered with random 12V PSU for kitchen mixer for example !
To each their own I guess. I'm annoyed Hardkernel is using yet another different sized barrel and wishing they would have just let us power the device via a USB C port.

Hi, main problem with the type-c from raspberry is it sometimes does not work with all PSU, they have been blamed a lot for not respecting USB standards... :?

I have a full box with plenty of PSU and 3/4 of them have a barrel jack of the same size as this one. And because of the range up to 18V, plenty of different PSU are usable here. For make its the best. 5V PSU are more expensive than 12V or other voltage if you need to buy. So here you can go to the local dumpster to recover a PSU 8-) . So no need to buy PSU, no need to buy micro-HDMI adapter, no need to buy cooler and no need to buy the case for the N2 but what abount the C4 ? That is the subject of the topic. :)

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Re: Compatibility with RPi 3B cases ?

Post by rooted » Sat May 02, 2020 10:36 pm


ftdomen wrote: To each their own I guess. I'm annoyed Hardkernel is using yet another different sized barrel and wishing they would have just let us power the device via a USB C port.
https://www.ebay.com/itm/253885003638

Last edited by rooted on Sat May 02, 2020 10:36 pm, edited 2 times in total.

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Re: Compatibility with RPi 3B cases ?

Post by mad_ady » Sat May 02, 2020 10:41 pm

I think they want the reversed connector...

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Re: Compatibility with RPi 3B cases ?

Post by rooted » Sat May 02, 2020 10:50 pm

Yeah in somehow linked the wrong one.

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Re: Compatibility with RPi 3B cases ?

Post by Mullcom » Sun May 03, 2020 4:39 pm

Hello. So interesting to here you all think. Some references only to self situation and some more globel issue.

USB vs power supply have both Positive and negative.

First my I ask a question about power to devices. I have a bit complicated to know what is safe and what's can brake the device's....


About USB
It make a simpel to use. But when that make rpi4 they make a big mistake on Creating it with 3A . But I think this is not needed anymore if you not overclock it.. that have make big improvement on the cart power consumption. For something as USB power supply 24/7 run time is good enough. If they brakes it is easy to replace them. I think more ppl have this Lying at home then a normal power supply and they have the same ports micro or USB C. Apple did have some problem for there back in the days when they did them to small. USB adapter take less place also.


Using power supply for the device is a different approach. Cost effective I think.
You can fill me in here if you like becouse I have less positive benefits for the it. But I think that's come more to my knowledge and Experience. But I know for sure this also brake sometimes.



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