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by yoyojacky
Wed Mar 06, 2019 7:10 am
Forum: Raspbian
Topic: FBI Image Tool Permission Issue
Replies: 10
Views: 10081

Re: FBI Image Tool Permission Issue

try this :
sudo fbi -T 7 -d /dev/fb0 whatevernameofyourpictures.img
it works fine to me~
by yoyojacky
Wed Mar 06, 2019 7:09 am
Forum: Raspbian
Topic: FBI Image Tool Permission Issue
Replies: 10
Views: 10081

Re: FBI Image Tool Permission Issue

you may try using "ps aux |grep tty " to see what console x11 will be running in, and then using the -T option. pi@raspberrypi:~ $ ps axu |grep tty root 383 0.0 0.3 5880 2900 tty1 Ss 11:00 0:00 /bin/login -f root 384 0.0 0.2 4376 1936 ? Ss+ 11:00 0:00 /sbin/agetty --keep-baud 115200,38400,9600 ttyAM...
by yoyojacky
Thu Jun 14, 2018 9:01 am
Forum: Automation, sensing and robotics
Topic: TF Mini LiDAR Help
Replies: 4
Views: 2846

Re: TF Mini LiDAR Help

You can try to using this library: tfmini typing this command in your terminal: pip install tfmini and then edit a file called mytfmini.py with following codes: from __future__ import division, print_function import time from tfmini import TFmini # create the sensor and give it a port and (optional)...
by yoyojacky
Wed Mar 25, 2015 7:28 am
Forum: Beginners
Topic: attaching a SPI OLED to the Raspberry Pi 2
Replies: 2
Views: 639

Re: attaching a SPI OLED to the Raspberry Pi 2

BTW, the binary file name must be "1024"
because the code contain the file name "1024" , and this file must be a data type file . like binary file .
you can use avisynth to make this file available.
by yoyojacky
Wed Mar 25, 2015 7:23 am
Forum: Beginners
Topic: attaching a SPI OLED to the Raspberry Pi 2
Replies: 2
Views: 639

Re: attaching a SPI OLED to the Raspberry Pi 2

if you are using wiringPi liberary, please use this command to add module : #gpio load spi you can touch a file , and input this code : #include <wiringPi.h> #include <wiringPiSPI.h> #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <string.h> #include <time.h> unsigned char initco...
by yoyojacky
Wed Mar 18, 2015 3:08 am
Forum: Beginners
Topic: Resetting while shutting down
Replies: 5
Views: 722

Re: Resetting while shutting down

it may crash your file system on your Pi. I suggest that execute this command before you reboot .
# sync
then you can reboot freely ...LOL
# reboot
short Pin6 is not a good idea .. :o
by yoyojacky
Tue Apr 08, 2014 7:22 pm
Forum: Staffroom, classroom and projects
Topic: Rpi as 2nd screen in classroom
Replies: 5
Views: 2477

Re: Rpi as 2nd screen in classroom

You can try nc command.
by yoyojacky
Tue Apr 08, 2014 5:47 pm
Forum: General discussion
Topic: [help]How to use MPU6050 module?
Replies: 2
Views: 1027

[help]How to use MPU6050 module?

Hi there!
I have a plan to connect MPU6050 module to my raspberry Pi with gpio pins, but I do not know how to get the information from the this module, should I make a program in Python?
by yoyojacky
Mon Jan 13, 2014 8:07 am
Forum: Other languages
Topic: 中文-simplified-chinese
Replies: 82
Views: 158465

Re: 中文-simplified-chinese

支持!强烈支持!
沙渺,一起搞起来呗。
by yoyojacky
Mon Dec 09, 2013 9:07 am
Forum: Advanced users
Topic: PI4J: How to dynamically read and send data from one pin?
Replies: 2
Views: 854

Re: PI4J: How to dynamically read and send data from one pin

try wiringPi liberaries ? maybe it can help....
by yoyojacky
Mon Dec 09, 2013 9:04 am
Forum: Other languages
Topic: 中文-simplified-chinese
Replies: 82
Views: 158465

中文-simplified-chinese

咱也开个中文的帖子,大家讨论起来!
by yoyojacky
Mon Jun 24, 2013 6:58 am
Forum: Media centres
Topic: Deathly Slow Speeds as a Media NAS
Replies: 35
Views: 43075

Re: Deathly Slow Speeds as a Media NAS

1. which brand is your SD card ? what type is that card ? my SD card is sandisk Ultra 30MB/s Class10 , the class4 is slow than class 10 2 . what's protocol is available on your router ? I recommend using 802.11n, it can reach 300MB/s speed.. 3. my laptop is based on CentOS6.2, my pi use nfs server s...
by yoyojacky
Sun Jun 23, 2013 4:37 pm
Forum: Pidora / Fedora
Topic: No updates with YUM
Replies: 9
Views: 8831

Re: No updates with YUM

I used to use this command: # yum clean all && yum -y update if you can not ping some web site by domain name ,you'd better check /etc/resolv.conf 's content, inside maybe like this : nameserver 8.8.8.8 nameserver 9.9.9.9 nameserver 6.6.6.6 and also you can use this command to check if you can reslo...
by yoyojacky
Sun Jun 23, 2013 4:27 pm
Forum: Beginners
Topic: Startup code
Replies: 3
Views: 822

Re: Startup code

hi, you'd better use sudo to execute that command, but also i found a problem that, I tried making a alias for vim.tiny command, i.e [pi@RaspberryPi ~]$ sudo alias vim='vim.tiny' and then i put that paraghraph to /etc/rc.local file , and tried rebooting my pi, but when I login to system, typing vim ...

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