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by JonnyAlpha
Fri Aug 03, 2018 12:46 pm
Forum: Troubleshooting
Topic: Cannot Install Moviepy for Python 2.7
Replies: 1
Views: 49

Re: Cannot Install Moviepy for Python 2.7

Mmm I re-read details on installing packages and

Code: Select all

sudo pip install xxxxx
should install the module for python 2 and

Code: Select all

sudo pip3 install xxxx
for python 3.
In an act of desperation I tried

Code: Select all

sudo pip2 install xxxxx
and it worked - how bizzare - it was not documented
by JonnyAlpha
Fri Aug 03, 2018 12:37 pm
Forum: Troubleshooting
Topic: Cannot Install Moviepy for Python 2.7
Replies: 1
Views: 49

Cannot Install Moviepy for Python 2.7

Hi; I am trying to follow this tutorial for OpenCV robot vision: https://www.hackster.io/kemfic/simple-lane-detection-c3db2f?f=1# However I am having trouble with the module 'moviepy'. I am trying to install it using sudo pip install moviepy but the output suggests that the Requirement is already sa...
by JonnyAlpha
Sat Jul 28, 2018 9:19 am
Forum: Advanced users
Topic: Remote Access Made Easy (Not yet but it's a thought) (c)
Replies: 5
Views: 231

Re: Remote Access Made Easy (Not yet but it's a thought) (c)

It isn't a universal solution like the one you envisage, but for RPiZero boards (only) and for access to the GPIOZERO API (only), are you aware of this - http://bennuttall.com/raspberry-pi-zero-gpio-expander/ It meets this restricted part of your remit: I would love to be able to use Raspberry Pis ...
by JonnyAlpha
Sat Jul 28, 2018 9:00 am
Forum: Advanced users
Topic: Synergy Keyboard and Mouse Sharing
Replies: 1
Views: 70

Synergy Keyboard and Mouse Sharing

Hi; Whilst looking for host access solutions (see separate post). I came across synergy which enables keyboard and mouse sharing fo WIndows, OS X, Linux etc. It appears to cost money but a little more research and it would appear that older binaries are open source. Has anyone used this on a Laptop ...
by JonnyAlpha
Sat Jul 28, 2018 8:29 am
Forum: Advanced users
Topic: Remote Access Made Easy (Not yet but it's a thought) (c)
Replies: 5
Views: 231

Re: Remote Access Made Easy (Not yet but it's a thought) (c)

I am looking for a direct connection, plug and play solution, which does not exist at present (as far as I am aware). The user should be able to plug the Raspberry Pi into a Laptop and open an app and hey presto - Raspberry Pi Desktop appears. This would be ground breaking IMHO and make the Raspberr...
by JonnyAlpha
Fri Jul 27, 2018 7:38 pm
Forum: Advanced users
Topic: Remote Access Made Easy (Not yet but it's a thought) (c)
Replies: 5
Views: 231

Remote Access Made Easy (Not yet but it's a thought) (c)

Hi; I had a thought today and just wanted to put it out there and share it to get some feedback - if I am rambling I apologise :-) I am a primary school teacher with several years of experience with the Raspberry Pi (HAB flight, Pi Wars, small scale robotics etc). I use RPis in my 2 x after school c...
by JonnyAlpha
Fri Jul 13, 2018 5:09 pm
Forum: Advanced users
Topic: Testing GPIO pins
Replies: 3
Views: 224

Re: Testing GPIO pins

Thanks Joan,

Installed wiring pi and looks like its showing a fault with all of the GPIO pins :-(
Back to Pi Hut for a replacement hopefully.
by JonnyAlpha
Thu Jul 12, 2018 2:16 pm
Forum: Advanced users
Topic: Testing GPIO pins
Replies: 3
Views: 224

Testing GPIO pins

Hi, We have a problem with one of our Raspberry Pi 3's. We are using the CamJamEduKit3 Robotics kit and have been writing some code from the associated worksheets to run our motors from the motor driver board. One one of the Pi's as soon as you switch the battery pack on that powers the motors (via ...
by JonnyAlpha
Sun Jul 08, 2018 11:30 am
Forum: Troubleshooting
Topic: Missing Task Bar and Corrupted White Desktop
Replies: 7
Views: 162

Re: Missing Task Bar and Corrupted White Desktop

It seemed to be a an unfinished update.
I tried to run sudo apt install raspberrypi-ui-mods and it complained saying something about dpkg not configured.
I followed the instructions and the update finished and now I have a Desktop back.
by JonnyAlpha
Thu Jul 05, 2018 4:23 pm
Forum: Troubleshooting
Topic: Missing Task Bar and Corrupted White Desktop
Replies: 7
Views: 162

Re: Missing Task Bar and Corrupted White Desktop

ShiftPlusOne wrote:
Thu Jul 05, 2018 2:36 pm
Sorry, that should've been history.log, not term.log
DOH!

Oh well all fixed now :-)
by JonnyAlpha
Thu Jul 05, 2018 2:25 pm
Forum: Troubleshooting
Topic: Missing Task Bar and Corrupted White Desktop
Replies: 7
Views: 162

Re: Missing Task Bar and Corrupted White Desktop

Here it is: Log started: 2017-08-16 04:28:00 (Reading database ... 122646 files and directories currently installed.) Preparing to unpack .../python3-pip_9.0.1-2+rpt2_all.deb ... Unpacking python3-pip (9.0.1-2+rpt2) over (9.0.1-2) ... Preparing to unpack .../python-pip_9.0.1-2+rpt2_all.deb ... Unpac...
by JonnyAlpha
Thu Jul 05, 2018 1:52 pm
Forum: Troubleshooting
Topic: Missing Task Bar and Corrupted White Desktop
Replies: 7
Views: 162

Re: Missing Task Bar and Corrupted White Desktop

To help understand what happened, could you post your /var/log/apt/history.log? The fix may be to run "sudo apt install raspberrypi-ui-mods", but it would be good to figure out what happened. Entering /var/log/apt/history.log Results in the following: bash: /var/log/apt/history.log: Permission denied
by JonnyAlpha
Thu Jul 05, 2018 12:04 pm
Forum: Troubleshooting
Topic: Missing Task Bar and Corrupted White Desktop
Replies: 7
Views: 162

Missing Task Bar and Corrupted White Desktop

Hi; I have 6 Raspberry Pi's at school which I have flashed a new image of Stretch. After enabling VNC and SSH for remote access (we are building robots), when logging in the start menu disappeared. After reading a post about the same issue it suggested that there was a bug with earlier versions of S...
by JonnyAlpha
Wed May 30, 2018 9:00 pm
Forum: Python
Topic: Updating python-skimage
Replies: 1
Views: 233

Updating python-skimage

Hi; Whilst following a document scanner guide by Adrian Rosebrock I have encountered some issues with a python package python-skimage. One of the modules associated with python-skimage. The script calls for the import of threshold_local which cannot be found. On further investigation it seems that t...
by JonnyAlpha
Wed May 30, 2018 3:51 pm
Forum: Advanced users
Topic: OpenCV - Best Installation Guide
Replies: 0
Views: 105

OpenCV - Best Installation Guide

Hi; What is the best method of installing OpenCV. I only need it for image processing not as a developer. I have installed it a couple of times before using Adrian Rosebrock's guide here: https://www.pyimagesearch.com/2017/09/04/raspbian-stretch-install-opencv-3-python-on-your-raspberry-pi/ but just...
by JonnyAlpha
Thu May 17, 2018 5:42 pm
Forum: User groups and events
Topic: Robotics Competition SW England
Replies: 0
Views: 815

Robotics Competition SW England

Having competed in my first ever PiWars, ‪I am now investigating the idea of running a RObotics competition in the South West of England. Challenges will hopefully be based on this years PiWars and will be agreed first with the Cambridge Pi Jam. For those that are not familiar with the competition, ...
by JonnyAlpha
Thu May 17, 2018 5:38 pm
Forum: General discussion
Topic: Pi Wars South West
Replies: 3
Views: 235

Re: Pi Wars South West

Doug;

sorry thought I had replied to you. Thanks for your advice and will re-post. No dates have been set we are in the planning stages.
by JonnyAlpha
Sun May 06, 2018 7:58 am
Forum: General discussion
Topic: Pi Wars South West
Replies: 3
Views: 235

Re: Pi Wars South West

Well that proved popular then 😞
by JonnyAlpha
Tue May 01, 2018 7:50 pm
Forum: General discussion
Topic: Pi Wars South West
Replies: 3
Views: 235

Pi Wars South West

Having competed in my first ever PiWars, ‪I am investigating the idea of running a #PiWars in the South West of England. Challenges will be based on this years PiWars. For those that are not familiar with the competition, It is a. Non Destructive robotics competition open to Schools / Youth teams an...
by JonnyAlpha
Tue Apr 17, 2018 8:20 pm
Forum: Camera board
Topic: Permanently Rotate / Flip Camera
Replies: 2
Views: 832

Permanently Rotate / Flip Camera

Hi; I have a v2 camera attached to my robot and the way it is position the images are upside down. Is there a way to flip or rotate the image 180 degrees permanently rather than whenever I take a pic? The reason is that the robot uses OpenCV and I need images and video to be the correct way around? ...
by JonnyAlpha
Wed Apr 11, 2018 7:35 pm
Forum: Automation, sensing and robotics
Topic: Robot Navigation - Mapping or Map Reading
Replies: 5
Views: 381

Re: Robot Navigation - Mapping or Map Reading

Mike,

It's Bill Harvey, we have been conversing by email and on Discord. Nice to see you lurking here as well. I use the user name JonnyAlpha for several forums, a hang up from my childhood love of 2000AD. 😂

Yes I think I will really get into OpenCV and Machine Learning after PiWars.
by JonnyAlpha
Wed Apr 11, 2018 9:57 am
Forum: Automation, sensing and robotics
Topic: Robot Navigation - Mapping or Map Reading
Replies: 5
Views: 381

Re: Robot Navigation - Mapping or Map Reading

Thanks for the reply but line following is not an option (I can already do that with OpenCV). I am trying to find a more complex method of vision. I know that sound silly but eventually I want a robot that can map an unknown area.
by JonnyAlpha
Tue Apr 10, 2018 3:15 pm
Forum: Automation, sensing and robotics
Topic: Robot Navigation - Mapping or Map Reading
Replies: 5
Views: 381

Robot Navigation - Mapping or Map Reading

Whilst prepping for PiWars 2018 I have started to look at OpenCV for robot vision. I am currently working on the Maze challenge and am looking at a couple of approaches. One option is to navigate the maze by locating the boundaries of the maze (the walls) and driving along a centre line in between t...
by JonnyAlpha
Fri Mar 30, 2018 8:47 pm
Forum: Python
Topic: pigpio - cleaning up GPIO pins
Replies: 6
Views: 1789

Re: pigpio - cleaning up GPIO pins

This thread isn’t about 3 years old. A thruster is a brushless motor and an esc is used to drive it. Not sure why you are using set_servo?

Anyway I found this which should help you out:

http://www.instructables.com/id/Driving ... pberry-Pi/
by JonnyAlpha
Sun Mar 18, 2018 6:15 pm
Forum: Troubleshooting
Topic: Bluetooth Non Genuine Playstation 3 Controllers
Replies: 1
Views: 114

Bluetooth Non Genuine Playstation 3 Controllers

OK so I have spent a couple of days trying to get what turns out to be a non genuine (I think) a Sony Playstation 3 Controller Connected to my RPi 3. I have upgraded the kernel to 4.15.9 and have updated bluez to 5.49 however it is still not connecting. Before I go out and spend £49 of our after sch...

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