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Raspberry Pi 4

raspberrypi.org

521–530 of 859 posts

Re: Raspberry Pi 4

#521

I'm so happy they haven't removed the composite video out in the headphone jack! If you didn't know, you just need a 3.5 mm TRRS connector - the pinout[0] looks like: T - Left Channel Audio R - Right Channel Audio R - Ground S - Composite Video Out [0] https://www.raspberrypi-spy.co.uk/2014/07/raspberry-pi-model...

Why? What do you use composite video for? I think the last time I used composite video for anything was 10+ years ago.

Re: Raspberry Pi 4

#522

Earlier quoted context omitted.

> compact home cloud Can we just start calling them servers again?

I think most ISPs don't allow servers on residential, so one would be better off using a home cloud. Preferably one with blockchain to disrupt blocking or throttling.

Most ISP’s don’t actually care if you host a small server for a low number of users. As they shouldn’t.

Seperately, you’re not going to fool anyone by calling a server something else. (Not that “home cloud” is a bad term, but I think everyone realizes that still constitutes a server.)

Re: Raspberry Pi 4

#523
post #46

Depending on the purpose, for example if somebody just wants a compact home cloud, the Odroid HC2 could also - still - be considered: https://www.hardkernel.com/shop/odroid-hc2-home-cloud-two/ - Half the RAM but double the cores. I'm waiting for some benchmarks to see if the RPi4 is faster and by how much. - Also Gigabit Ethernet and it works great. My downloads are always at 108-111MB/s for the whole transfer. - Not…

The USB port on the Odroid HC2 is 2.0, but the SATA interface is connected to a USB3 but, as is the Gigabit Ethernet. Furthermore, SATA and Ethernet are connected to individual USB3 busses, as opposed to earlier RPi designs where everything shared the same USB2 bus. I haven't checked the RPi 4 specs yet, but i can imagine it's still the same layout, just a faster bus, which can be "just fine" - it should be plenty fa…

The USB-2-Sata interface is indeed USB 3.0. Thanks. USB 2.0 would be too slow to achieve my 100+ MB/s.

Re: Raspberry Pi 4

#524

Earlier quoted context omitted.

For those just wanting specs, here is a summary from the table from the article comparing it to RPI3 (left new): CPU: 1.5-GHz vs 1.4-GHz (same cores) RAM: selectable 1, 2, 4GB (depending on which version) vs 1 GB Video out: 2 micro hdmi out vs 1 Max resolution 4K @60hz vs 2560x1600 USB: 2x3.0,2x2.0 vs 4x2.0 Ethernet: Gigabit vs 330MB Wireless: Bluetooth 5.0 vs 4.1 Charging: USB-C vs USB micro Power requirement: 3A at…

> CPU: 1.5-GHz vs 1.4-GHz (same cores) Isn't it Cortex-A72 vs Cortex-A53 ?

It is, and the A72 has ~2-3x the IPC of the A53 depending on workload.

Re: Raspberry Pi 4

#525
post #438

Earlier quoted context omitted.

> compact home cloud Can we just start calling them servers again?

The distinction in actual usage between using cloud, server, and homelab to describe their setup seems to be rooted in their purpose. * Home Lab :: Running a partial/full enterprise IT stack for fun and education. * Home Server :: Running primarily internal services like file storage, backups, media streaming, home automation, maybe some light networking. * Home Cloud :: Running primarily external services on the pub…

I am not sure that is a great distinction. A server is traditionally serving some resource, usually to multiple people. The idea behind 'home cloud' is to host 'slice' of a server yourself. Something that used to be hard because of the cost of hardware, making hosting only a few 'sessions' expensive.

Of course hardware hasn't been expensive for probably a decade or more. Today it is almost entirely a software problem. Or more precisely how to create independent quality software when many developers are employed by large corporations and no one wants to pay for development. I am not sure much is happening on that front.

Re: Raspberry Pi 4

#526

Earlier quoted context omitted.

I think most ISPs don't allow servers on residential, so one would be better off using a home cloud. Preferably one with blockchain to disrupt blocking or throttling.

Most ISP’s don’t actually care if you host a small server for a low number of users. As they shouldn’t. Seperately, you’re not going to fool anyone by calling a server something else. (Not that “home cloud” is a bad term, but I think everyone realizes that still constitutes a server.)

[deleted]

Re: Raspberry Pi 4

#527

Earlier quoted context omitted.

You're right, it is much more important that people feel good about themselves than that the planet continue to be hospitable to life.

The planet is perfectly capable of co-existing with raspberry pi’s. For something as grand as climate change, you won’t make a dent here.

No droplet feels it is responsible for the flood. These things add up.

I'm not saying Raspberry Pis don't have a place, I just think a lot of things people seem to want them for would be better suited by just reusing old hardware, which has the nice side effects of meaning that hardware isn't wasted.

Re: Raspberry Pi 4

#529

Earlier quoted context omitted.

Hence they aren't dealing with investors, which was his original question.

I'd say that Broadcom is the mayor investor here.

its a charity, and unlike in the US, charities are tightly controlled and have to publish reasonably detailed finances.

Re: Raspberry Pi 4

#530

Earlier quoted context omitted.

There is an official PoE board that fits the pi 3+ which uses a 4 pin header by the ethernet jack to grab power. The pi 4 appears to have the same header. https://www.raspberrypi.org/products/poe-hat/

I have one of these but am new to RPi. It covers all of the GPIO pins in addition to the four header pins for power. Is there any way to still use the GPIO pins with the PoE hat?

Yes, though you'll need pass-through header pins:

https://www.raspberrypi.org/blog/introducing-power-over-ethe...

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