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by duzuike
Fri Apr 03, 2015 9:39 am
Forum: Troubleshooting
Topic: overscan & wifi dongle
Replies: 5
Views: 871

Re: overscan & wifi dongle

Are you 100% sure? The overscan setting would appear to be unrelated to a usb wifi dongle. Can you reproduce it, or was it just that you edited config.txt, rebooted and found your wifi would no longer connect? I'm sure, and I can reproduce it. After change the overscan option (using vim or raspi-co...
by duzuike
Fri Apr 03, 2015 8:11 am
Forum: Troubleshooting
Topic: overscan & wifi dongle
Replies: 5
Views: 871

overscan & wifi dongle

Hi, I have a raspberry pi 2 model B with the latest Debian OS. The usb wifi dongle has been worked perfectly. But if I disabled the overscan option in config.txt , the wifi dongle can't connect. Apr 3 15:36:10 raspberrypi wpa_supplicant[1982]: wlan0: SME: Trying to authenticate with e0:30:05:af:43:2...
by duzuike
Thu Mar 05, 2015 1:22 pm
Forum: Beginners
Topic: Which charger is better ?
Replies: 3
Views: 504

Re: Which charger is better ?

Hi, I have 2 mobile phone chargers. Here is the test result : Voltage (GPIO pin2 and pin14) ZTE charger: 5.18v HTC charger: 4.94v Which one should I choose to power Rpi ? Is the ZTE charger safe ? Since you don't say which model of HTC charger, if it happens to be this type: http://www.cpmspectrepi...
by duzuike
Thu Mar 05, 2015 6:26 am
Forum: Beginners
Topic: Which charger is better ?
Replies: 3
Views: 504

Which charger is better ?

Hi,

I have 2 mobile phone chargers. Here is the test result :

Voltage (GPIO pin2 and pin14)

ZTE charger: 5.18v

HTC charger: 4.94v

Which one should I choose to power Rpi ? Is the ZTE charger safe ?
by duzuike
Wed Mar 04, 2015 12:43 pm
Forum: Beginners
Topic: Wifi Set-up
Replies: 3
Views: 1753

Re: Wifi Set-up

Hi, I also have a TP-LINK TL-WN823N , and I got my first Rpi 2 two days ago. The dongle can be connected to my wifi network , but it's disconneted and then connected every 2 minute. On my notebook (Ubuntu 14.04), I compiled the driver according to this link and it works smoothly: https://github.com/...
by duzuike
Tue Mar 03, 2015 12:11 pm
Forum: Beginners
Topic: 40 Pin GPIOs
Replies: 2
Views: 409

Re: 40 Pin GPIOs

DirkS wrote:For example at http://pi.gadgetoid.com/pinout
It's great.

Thank you.
by duzuike
Tue Mar 03, 2015 11:51 am
Forum: Beginners
Topic: 40 Pin GPIOs
Replies: 2
Views: 409

40 Pin GPIOs

Hi,

I got my Raspberry pi 2 modal B (element14) yesterday, but where can I get infomation about the 40 GPIO pins and other hardware component ? Which pin is 3.3v ?

Thank you.
by duzuike
Sat Feb 21, 2015 9:47 am
Forum: Beginners
Topic: RJ45 port and Wifi dongle
Replies: 1
Views: 420

RJ45 port and Wifi dongle

Hi,

Does a RJ45 port consume less power than a Wifi dongle ?

I have a TP-Link TL-WN823N dongle , but I don't know how much current it draws.
by duzuike
Fri Feb 20, 2015 12:16 pm
Forum: General discussion
Topic: STICKY: Introduce yourself!
Replies: 3494
Views: 80840

Re: Introduce yourself!

Hi,

I am Huoli, I live in ChongQing, China.

We are so lucky because we have RPi.
by duzuike
Mon Feb 16, 2015 11:12 am
Forum: Beginners
Topic: Android phone instead of card reader
Replies: 2
Views: 515

Android phone instead of card reader

Hi,

I don't have a card reader.

Can I connect my android phone to pc , then format the microSD card under xp or linux ?
by duzuike
Sun Feb 15, 2015 1:04 pm
Forum: Beginners
Topic: STICKY: Pictorial Buying Guide for the Raspberry Pi
Replies: 149
Views: 261590

Re: Pictorial Buying Guide for A, B and B+

What is a micro SD card ? Is it same with an Android phone micro SD card ? What is a full size micro SD card ?

Does all raspberry versions (A A+ B B+ and version 2) use same micro SD cards ?

Where can I see correct information ?

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