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Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

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131–140 of 161 posts

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#131
Such computers are cool, but fat and inconvenient. I don't understand why decent companies like ibm, samsung or others won't make a Linux handheld seriously. With a good processor that will be power efficient and run for a long time on a single charge.

Terminal and ssh will suffice in many cases. People a lot of time used only terminal and live.

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#132

This looks like a pretty cool device! However, I was immediately curious about how the "dual battery" feature works. The IP5306 power-management IC seems to be designed only for a single battery, and as far as I can tell from the schematic[1], the two battery connectors are just directly connected to each other in parallel (across VBAT and GND). This seems really sketchy. If you plug in two batteries that are not at…

It has no solar panels , runs shorter than my cell phone on a single charge. It is thick. No ethernet socket Any small UMPC is better than this thing. I don't mercifully mention the blobs encapsulated in the raspberry pi itself.

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#133

Oh great! Another awesome looking cyberdeck that I want to own and will find absolutely no practical use for. I've added myself to the waitlist already.

What You thing about linux handheld like Sony Clie UX 50 ? Good keyboard, nice screen and camera, long time working.

Yes, I'm dreaming too.

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#134
post #131

Such computers are cool, but fat and inconvenient. I don't understand why decent companies like ibm, samsung or others won't make a Linux handheld seriously. With a good processor that will be power efficient and run for a long time on a single charge. Terminal and ssh will suffice in many cases. People a lot of time used only terminal and live.

Because there's no money to be made from such devices

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#135

Earlier quoted context omitted.

They make USB KVM devices. Run an application on your computer to send input / receive output. Then you can use whatever laptop you want. That said, I've only used them on Windows, so drivers might be an issue.

Would that work with a BIOS? Boot loader?

Yes, the pikvm (or nanokvm) devices are cheap KVM over IP and they take input from the HDMI output of the server/pc, so you see just the same as you would if you were stood in front of the physical monitor plugged into the HDMI. They also come with the motherboard connector so you can do a power-off/power-on remotely. You can change BIOS settings and even do a full OS install remotely.

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#136
post #10
post #9

Very similar to the Beepberry. Exciting to see someone else building into that form factor. Also love to fun to see the Nokia BL-5C battery (originally introduced in the Nokia 3650 in 2003) still alive and kicking 20years later. https://blog.beeper.com/2023/05/16/beeper-x-sqmfi-beepberry/

That appears to have been renamed to the Beepy, and the product page now has the repurposed Blackberry keyboard blurred out. Did whoever owns the corpse of Blackberry go after them for trademark infringement? https://beepy.sqfmi.com/

Is this when they start pre installing QNX? https://carleton.ca/rcs/qnx/installing-qnx-on-raspberry-pi-4...

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#137

Earlier quoted context omitted.

And if you screw up which battery is which? "Do things exactly right, quickly, or the device bursts into flames*" is not acceptable electronics design, even for something you intend to use yourself. * do you really want to trust a generic battery's built-in protection IC?

Maybe I’m being too generous but I feel like 99.9% of the people using something like this would do it properly

.. until their curious child decides to have a look at it.

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#138
post #128

This looks like a pretty cool device! However, I was immediately curious about how the "dual battery" feature works. The IP5306 power-management IC seems to be designed only for a single battery, and as far as I can tell from the schematic[1], the two battery connectors are just directly connected to each other in parallel (across VBAT and GND). This seems really sketchy. If you plug in two batteries that are not at…

What about having 2 diodes and problem solved

[deleted]

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#139

Earlier quoted context omitted.

And if you screw up which battery is which? "Do things exactly right, quickly, or the device bursts into flames*" is not acceptable electronics design, even for something you intend to use yourself. * do you really want to trust a generic battery's built-in protection IC?

Maybe I’m being too generous but I feel like 99.9% of the people using something like this would do it properly

Now that I'm aware, sure. If I wasn't told, I would assume that they were designed so that a new battery could be swapped in while one battery remained inserted to maintain power (much like an old Thinkpad I used to own).

Re: Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W

#140

This looks like a pretty cool device! However, I was immediately curious about how the "dual battery" feature works. The IP5306 power-management IC seems to be designed only for a single battery, and as far as I can tell from the schematic[1], the two battery connectors are just directly connected to each other in parallel (across VBAT and GND). This seems really sketchy. If you plug in two batteries that are not at…

It looks like two BL-5Cs, which normally come with their own overcurrent protection (AFAIK even the no-name generic clone cells do), so what's more likely to happen is you trip the protection on one of the cells being swapped. Fortunately these are not very high capacity nor current cells, being ~1000mAh at most. They seem to be pretty robust in general, as a series of hugely popular MP3/MP4 players that used them ha…

Barely more than a netlist.
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