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 Raspberry Pi, Rm100 computer that beats iPhone4S

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lleihuan
post Mar 26 2017, 07:06 AM

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QUOTE(bad2928 @ Dec 29 2016, 07:54 PM)
nice!,using volumio also surprisingly very good compare to pc-foobar
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Just to share.yes.cheap.get a medium audiophile system.
Use a Volumio,Hifiberry Dac,Dayton DTA-120 and a Andrew Steven's Bookshelf speakers-Pioneer SP-BS22-LR.
And stream 7/24 with ABC Lounge.
MPK
post Mar 28 2017, 12:44 PM

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Hi all, been searching about raspberry pi around since end of last year and found this forum. I have a plan to build a raspberry pi for my son to learn about basic programming and practice scratch what he learned from school at home. On top of that, I gave him this as basic normal pc usage like watching youtube, web browsing, or gaming like minecraft etc.

Need expert's advice here how can I start up and gradually improve his skill on programming. Thanks.
zaidi
post Mar 30 2017, 03:15 PM

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QUOTE(MPK @ Mar 28 2017, 12:44 PM)
Hi all, been searching about raspberry pi around since end of last year and found this forum.  I have a plan to build a raspberry pi for my son to learn about basic programming and practice scratch what he learned from school at home.  On top of that, I gave him this as basic normal pc usage like watching youtube, web browsing, or gaming like minecraft etc.   

Need expert's advice here how can I start up and gradually improve his skill on programming.  Thanks.
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I think you should be exploring here; https://www.element14.com/community/welcome
wsian
post Mar 30 2017, 05:29 PM

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QUOTE(MPK @ Mar 28 2017, 12:44 PM)
... Need expert's advice here how can I start up and gradually improve his skill on programming.  Thanks.
*
Check these free materials from raspberrypi.org, a good reference to start with.
https://www.raspberrypi.org/magpi/issues/

"Learn to code from scratch"
"LEARN C ESSENTIALS"
"MAKE GAMES with Python"

This post has been edited by wsian: Mar 30 2017, 05:31 PM
Ubitap
post Mar 31 2017, 11:49 AM

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QUOTE(MPK @ Mar 28 2017, 12:44 PM)
Hi all, been searching about raspberry pi around since end of last year and found this forum.  I have a plan to build a raspberry pi for my son to learn about basic programming and practice scratch what he learned from school at home.  On top of that, I gave him this as basic normal pc usage like watching youtube, web browsing, or gaming like minecraft etc.   

Need expert's advice here how can I start up and gradually improve his skill on programming.  Thanks.
*
You can start by doing projects that dealing with electronics, sensors etc. Those projects can be playful, fun and interactive for kids. Your son can explore more on physical computing and not only software programming with Raspberry Pi.

Just to add to the replies above, the Raspberry Pi Foundation has excellent resources on teaching and learning with Raspberry Pi. There are many fun projects as well with easy to follow instructions.
Check it out here: http://rpf.io/learn

MPK
post Mar 31 2017, 01:56 PM

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QUOTE(MPK @ Mar 28 2017, 12:44 PM)
Hi all, been searching about raspberry pi around since end of last year and found this forum.  I have a plan to build a raspberry pi for my son to learn about basic programming and practice scratch what he learned from school at home.  On top of that, I gave him this as basic normal pc usage like watching youtube, web browsing, or gaming like minecraft etc.   

Need expert's advice here how can I start up and gradually improve his skill on programming.  Thanks.
*
QUOTE(wsian @ Mar 30 2017, 05:29 PM)
Check these free materials from raspberrypi.org, a good reference to start with.
https://www.raspberrypi.org/magpi/issues/

"Learn to code from scratch"
"LEARN C ESSENTIALS"
"MAKE GAMES with Python"
*
QUOTE(Ubitap @ Mar 31 2017, 11:49 AM)
You can start by doing projects that dealing with electronics, sensors etc. Those projects can be playful, fun and interactive for kids. Your son can explore more on physical computing and not only software programming with Raspberry Pi.

Just to add to the replies above, the Raspberry Pi Foundation has excellent resources on teaching and learning with Raspberry Pi. There are many fun projects as well with easy to follow instructions.
Check it out here: http://rpf.io/learn
*
Thanks for the info.
Reeson
post May 10 2017, 04:31 PM

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hi guys..
i just bought this HDD enclosure (link) & hook it up to my RPi3 via USB cable..

problem is when transferring files between HDD inside the enclosure (eg: from HDD in bay1 to HDD in bay2), the speed is really slow (~ 10MB/s).
is the RPi3 the bottleneck here?

This post has been edited by Reeson: May 10 2017, 04:32 PM
wsian
post May 11 2017, 04:20 PM

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RPi most likely recognized this usb device as usb-storage instead of uas (USB Attached SCSI), due to lack of driver support as RPi only has usb 2.0. You can test out the same condition by connecting to windows 8/10 to see any different.

This post has been edited by wsian: May 11 2017, 04:23 PM
spacelion
post May 11 2017, 04:32 PM

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QUOTE(air_pull91 @ Mar 4 2017, 09:15 AM)
because rm is weak now..better for me to buy used one instead of new..
last year price around rm120-130..now rm17+ to rm18+..
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now cytron selling RM100
kingkingyyk
post May 11 2017, 04:32 PM

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QUOTE(Reeson @ May 10 2017, 04:31 PM)
hi guys..
i just bought this HDD enclosure (link) & hook it up to my RPi3 via USB cable..

problem is when transferring files between HDD inside the enclosure (eg: from HDD in bay1 to HDD in bay2), the speed is really slow (~ 10MB/s).
is the RPi3 the bottleneck here?
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Yes. https://www.raspberrypi.org/documentation/h...i/usb/README.md
That is normal to have that. The USB ports are seperated from internal USB hub (Microchip USB+Ethernet chip), so all of them are shared on 480Mbps bus. It also could due to insufficient power output from the Pi. The proper way is to have a powered USB hub connect to both Pi and external HDD. smile.gif
xenith
post May 11 2017, 05:06 PM

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QUOTE(spacelion @ May 11 2017, 04:32 PM)
now cytron selling RM100
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may i know what is the item that sold for 100 ringggit .

thanks
Reeson
post May 11 2017, 09:15 PM

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QUOTE(kingkingyyk @ May 11 2017, 04:32 PM)
Yes. https://www.raspberrypi.org/documentation/h...i/usb/README.md
That is normal to have that. The USB ports are seperated from internal USB hub (Microchip USB+Ethernet chip), so all of them are shared on 480Mbps bus. It also could due to insufficient power output from the Pi. The proper way is to have a powered USB hub connect to both Pi and external HDD.  smile.gif
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the enclosure has its own power supply, not drawing power from the RPi USB port
spacelion
post May 11 2017, 09:41 PM

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QUOTE(xenith @ May 11 2017, 05:06 PM)
may i know what is the item that sold for 100 ringggit .

thanks
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Pi zero kit
air_pull91
post May 11 2017, 10:10 PM

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QUOTE(spacelion @ May 11 2017, 04:32 PM)
now cytron selling RM100
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link?
found this but rm190..lol
https://www.cytron.com.my/c-442-raspberry/c...-raspberry-pi-3

This post has been edited by air_pull91: May 11 2017, 10:11 PM
kingkingyyk
post May 12 2017, 07:28 AM

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QUOTE(Reeson @ May 11 2017, 09:15 PM)
the enclosure has its own power supply, not drawing power from the RPi USB port
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Great, was wondering how the HDD is powered up with the small current from Pi. biggrin.gif
spacelion
post May 12 2017, 08:38 AM

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QUOTE(air_pull91 @ May 11 2017, 10:10 PM)
thats the pi 3. i said pi zero.
Reeson
post May 12 2017, 09:21 AM

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QUOTE(kingkingyyk @ May 12 2017, 07:28 AM)
Great, was wondering how the HDD is powered up with the small current from Pi.  biggrin.gif
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so what do you think causing the slow speed?

RPi is only supposed to be telling HDDs to transfer file to each other, the data doesnt actually goes into RPi right?
kingkingyyk
post May 12 2017, 10:19 AM

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QUOTE(Reeson @ May 12 2017, 09:21 AM)
so what do you think causing the slow speed?

RPi is only supposed to be telling HDDs to transfer file to each other, the data doesnt actually goes into RPi right?
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I do think Pi needs to buffer the data, so that could be the bottleneck hmm.gif
Reeson
post May 12 2017, 11:50 AM

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QUOTE(kingkingyyk @ May 12 2017, 10:19 AM)
I do think Pi needs to buffer the data, so that could be the bottleneck hmm.gif
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yeah that makes sense.
wonder if there's a way to speed up the transfer..
SUSGreenSamurai
post May 15 2017, 09:25 AM

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Hi guys. I am looking for the pi zero but it seems all sellers in Malaysia has no stock. You guys know of any other sellers in Malaysia or overseas that have it for sell?

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