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by leeqicheng
Sat Oct 28, 2017 7:16 pm
Forum: Beginners
Topic: RPI 2 RC.local issue
Replies: 7
Views: 490

Re: RPI 2 RC.local issue

You've been using a windows editor or something. It has changed the line endings from just a newline (NL = "\n") to CRNL ("\r\n") instead. Try stripping out the unwanted CR characters. You can do this by installing the dos2unix package and running sudo dos2unix /etc/rc.local or use something like s...
by leeqicheng
Sat Oct 28, 2017 7:04 pm
Forum: Beginners
Topic: RPI 2 RC.local issue
Replies: 7
Views: 490

Re: RPI 2 RC.local issue

DougieLawson wrote:
Sat Oct 28, 2017 7:00 pm
There's your error on line #23.
I dun think i have written anything on line 23 please enlighten me thanks
by leeqicheng
Sat Oct 28, 2017 6:54 pm
Forum: Beginners
Topic: RPI 2 RC.local issue
Replies: 7
Views: 490

Re: RPI 2 RC.local issue

What happens if you open a LXterminal window and run sudo /etc/rc.local or sudo bash -x /etc/rc.local to get lots of debugging messages? i gotten no such file found or directory but i have it http://i63.tinypic.com/3038uqe.png If i run sudo /etc/rc.local http://i64.tinypic.com/2egbjpl.png if i run ...
by leeqicheng
Sat Oct 28, 2017 6:43 pm
Forum: Beginners
Topic: RPI 2 RC.local issue
Replies: 7
Views: 490

RPI 2 RC.local issue

Hey guys i know there have been lots of thread on this but i just couldnt figure out whats the problem because i did a clean install and i have the rc.load.error. Anybody having the issue and whats the work around trying to run a python or a shell script raspberry pi v 2 1.1 http://i64.tinypic.com/9...
by leeqicheng
Tue Jul 08, 2014 4:22 am
Forum: HATs and other add-ons
Topic: Wireless Dongle RTL8188CUS
Replies: 10
Views: 2645

Re: Wireless Dongle RTL8188CUS

Currently there is no usb connected to it except for the dongle Could it be take a look at the image beside the Nickname is unassociated , could it be faulty ? http://s4.postimg.org/kyntr9ubd/image.jpg Hi leeqicheng, I have set up one of my Pi with the same settings for /etc/network/interfaces and /...
by leeqicheng
Mon Jul 07, 2014 3:04 pm
Forum: HATs and other add-ons
Topic: Wireless Dongle RTL8188CUS
Replies: 10
Views: 2645

Re: Wireless Dongle RTL8188CUS

As requested http://s24.postimg.org/8821eberl/image.jpg http://s24.postimg.org/l2037ns75/image.jpg http://s24.postimg.org/dxi9ymkxt/image.jpg Thanks for helping really appreciated Perhaps if you supplied some information on your setup someone might be able to help. What operating system are you usin...
by leeqicheng
Mon Jul 07, 2014 2:23 pm
Forum: HATs and other add-ons
Topic: Wireless Dongle RTL8188CUS
Replies: 10
Views: 2645

Re: Wireless Dongle RTL8188CUS

Update i just reformated my RPI clean so what i did was update kernal and update all updates reboot and plug in the Wireless dongle and i scan but still no result it could be the power but i not sure could anyone confirm this But current it detect my RTL8188CUS but i tried using wifi-config to scan ...
by leeqicheng
Mon Jul 07, 2014 9:15 am
Forum: HATs and other add-ons
Topic: Wireless Dongle RTL8188CUS
Replies: 10
Views: 2645

Re: Wireless Dongle RTL8188CUS

But current it detect my RTL8188CUS but i tried using wifi-config to scan for any network but it return null isit got to do with the config file ? If you plug a wifi dongle into the Pi while it is powered on and running it will almost certainly cause it to reset and could cause your SD card to becom...
by leeqicheng
Mon Jul 07, 2014 8:18 am
Forum: HATs and other add-ons
Topic: Wireless Dongle RTL8188CUS
Replies: 10
Views: 2645

Wireless Dongle RTL8188CUS

Hi i just bought this model of dongle RTL8188CUS but met with a few questions First When i plug in to the rpi it kinda of restart my rpi is this normal ? Second is there any detail guide as of how to install the driver (RTL8188CUS) third is there any guide on making an auto connection string on wpa2...
by leeqicheng
Thu May 15, 2014 8:27 am
Forum: Automation, sensing and robotics
Topic: ultrasonic sensor raspberry (Error)
Replies: 12
Views: 2961

Re: ultrasonic sensor raspberry (Error)

I just found out that my ultrasonic sensor is SRF10 using SDA and SCL is it still possible to use on raspberry pi ? If yes do u have any reference or source that i can take a look Thanks Yes, you can use the SRF10. Could you say where you bought it or point to the specific model? http://www.robot-e...
by leeqicheng
Thu May 15, 2014 8:25 am
Forum: Automation, sensing and robotics
Topic: ultrasonic sensor raspberry (Error)
Replies: 12
Views: 2961

Re: ultrasonic sensor raspberry (Error)

i am using a 5 pin ultra sonic sensor which look like this. (Model SRF04) http://alselectro.files.wordpress.com/2013/03/ultra_5pin.png I know that you have a different model but I thought I would comment on the fact that the pin labelling in this picture is incorrect. The label states that Pin 2 is...
by leeqicheng
Thu May 15, 2014 7:20 am
Forum: Automation, sensing and robotics
Topic: ultrasonic sensor raspberry (Error)
Replies: 12
Views: 2961

Re: ultrasonic sensor raspberry (Error)

I just found out that my ultrasonic sensor is SRF10 using SDA and SCL is it still possible to use on raspberry pi ? If yes do u have any reference or source that i can take a look Thanks
by leeqicheng
Thu May 15, 2014 1:06 am
Forum: Automation, sensing and robotics
Topic: ultrasonic sensor raspberry (Error)
Replies: 12
Views: 2961

Re: ultrasonic sensor raspberry (Error)

i am using a 5 pin ultra sonic sensor which look like this. (Model SRF04) http://alselectro.files.wordpress.com/2013/03/ultra_5pin.png #!/usr/bin/python #+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ #|R|a|s|p|b|e|r|r|y|P|i|-|S|p|y|.|c|o|.|u|k| #+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ # # ultrason...
by leeqicheng
Wed May 14, 2014 2:32 pm
Forum: Automation, sensing and robotics
Topic: ultrasonic sensor raspberry (Error)
Replies: 12
Views: 2961

ultrasonic sensor raspberry (Error)

Hi guys recently i have been testing out raspberry pi and i seems to have a problem reading data from ultrasonic sensor i followed this guide http://www.raspberrypi-spy.co.uk/2012/12/ultrasonic-distance-measurement-using-python-part-1/ but cant seems to get a value. When i run the python script it w...

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