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by owen_a
Sat Nov 09, 2019 11:55 am
Forum: Other projects
Topic: Raspi 3+ keeps freezing on 12v to 5V USB Converter (car)
Replies: 3
Views: 626

Re: Raspi 3+ keeps freezing on 12v to 5V USB Converter (car)

Thanks for the replies! So a buck converter should at least stabilise the output? I'm not familiar with a buck converter, only that it's like a variable regulator.
by owen_a
Tue Oct 01, 2019 9:09 pm
Forum: Other projects
Topic: Raspi 3+ keeps freezing on 12v to 5V USB Converter (car)
Replies: 3
Views: 626

Raspi 3+ keeps freezing on 12v to 5V USB Converter (car)

Hi all, I have a Raspberry Pi 3+ in my car that I use as a GPS tracker. The Pi is powered from a 12v to 5V USB converter that can supply up to about 6A apparently. I've measured the voltage and current that the Pi draws when starting up and idling and it's about 4.96V @ 0.6A. I keep encountering an ...
by owen_a
Wed Mar 27, 2019 8:35 pm
Forum: Automation, sensing and robotics
Topic: Using a Pi to Log Data in a Magnum Energy System
Replies: 122
Views: 51580

Re: Using a Pi to Log Data in a Magnum Energy System

Hi Charles,

Thank you for getting back to me (I sent you an email also).

Thank you for trying to explain this to me, that does not seem easy at all haha! I was under the impression it would return me the value as is.

- Owen
by owen_a
Sun Mar 24, 2019 9:56 pm
Forum: Automation, sensing and robotics
Topic: Using a Pi to Log Data in a Magnum Energy System
Replies: 122
Views: 51580

Re: Using a Pi to Log Data in a Magnum Energy System

Ah, I've just come across this post as I lost the code to communicate with my TS-MPPT-60. Charles, you sent me the code a few years ago and the software worked flawlessly. Any chance this is in git? Also, I'm having trouble understanding the documentation for the Modbus protocol for the Morningstar'...
by owen_a
Sat Jun 25, 2016 3:52 pm
Forum: Graphics, sound and multimedia
Topic: [Tutorial] Simple Face Recognition (OpenCV, Python)
Replies: 20
Views: 58583

Re: [Tutorial] Simple Face Recognition (OpenCV, Python)

I think a really good example would be to modify this code to use the PiCamera so it does the recognition on the fly instead of taking an image from the local directory and checking it.
by owen_a
Sat Jun 25, 2016 3:01 pm
Forum: Camera board
Topic: PiCamera and OpenCV
Replies: 4
Views: 1293

Re: PiCamera and OpenCV

Bump
by owen_a
Thu Jun 23, 2016 9:58 pm
Forum: Camera board
Topic: PiCamera and OpenCV
Replies: 4
Views: 1293

Re: PiCamera and OpenCV? And Streaming view to player

Hi, I have been doing a bit of research and I have come across this website which provides a program for basic face detection. This is great because the GUI window it creates displays what I wanted over remote desktop, however, I need to put this "camera" inside a new thread so it isn't inside the m...
by owen_a
Wed Jun 22, 2016 6:37 pm
Forum: Camera board
Topic: PiCamera and OpenCV
Replies: 4
Views: 1293

Re: PiCamera and OpenCV? And Streaming view to player

Anyone?
by owen_a
Sun Jun 19, 2016 9:50 pm
Forum: Camera board
Topic: PiCamera and OpenCV
Replies: 4
Views: 1293

PiCamera and OpenCV

Hi, I understand I can't view the PiCamera via camera.start_preview() since I have Remote Desktop-ed into the pi, so I was wondering, if I'm going to use OpenCV or something similar to do Facial Recognition, whatever is displayed in the Window (or on the camera view including the rectangles drawn ar...
by owen_a
Wed May 25, 2016 3:34 pm
Forum: C/C++
Topic: Converting RTF -> PDF? - HTMLDoc compilation issue
Replies: 4
Views: 1482

Re: Converting RTF -> PDF? - HTMLDoc

Hi Thanks for your replies. @scotty101 I'll be using it via command line so I can easily call a file conversion when needed. I've already been digging around for days but I've found an easier approach using a piece of software called HTMLdoc. This converts HTML to .PDF and works fine for my intentio...
by owen_a
Wed May 25, 2016 10:34 am
Forum: C/C++
Topic: Converting RTF -> PDF? - HTMLDoc compilation issue
Replies: 4
Views: 1482

Converting RTF -> PDF? - HTMLDoc compilation issue

Hi, I'm working on a project that requires me to convert .rtf to .pdf. One of the methods I've found is to convert the .rtf to .html (via a piece of software called rtf2html) and then convert the .html .pdf (via another piece of software called htmldoc). The problem is that rtf2html doesn't support ...
by owen_a
Mon May 16, 2016 11:44 am
Forum: C/C++
Topic: Ted Issue - RTF to PDF conversion
Replies: 2
Views: 757

Re: Ted Issue - RTF to PDF conversion

It's a "Rich Text Processor" and I got the source code from here. There's no instructions I'm following to compile it.

Do you know how to programmatically convert .rtf to .pdf without Openoffice/Libreoffice, etc?
by owen_a
Mon May 16, 2016 8:39 am
Forum: C/C++
Topic: Ted Issue - RTF to PDF conversion
Replies: 2
Views: 757

Ted Issue - RTF to PDF conversion

Hi, I've managed to compile Ted from source however I'm having an issue where it doesn't seem to convert .rtf to .ps (which is one of its stages before using ghostscript to finally convert to .pdf). The .rtf file I'm using is valid, however when performing ./Ted --saveTo sample.rtf sample-test.pdf i...
by owen_a
Mon Mar 21, 2016 7:45 pm
Forum: Automation, sensing and robotics
Topic: Using a Pi to Log Data in a Magnum Energy System
Replies: 122
Views: 51580

Re: Using a Pi to Log Data in a Magnum Energy System

@CharlesGodwin - Did you manage to interface with the TS-MPPT-60A charge controller over Ethernet? I'm currently trying to do this my self and struggling quite a lot.
by owen_a
Tue Dec 08, 2015 6:12 pm
Forum: Troubleshooting
Topic: Hostapd & dnsmasq - Not assigning IP address
Replies: 0
Views: 763

Hostapd & dnsmasq - Not assigning IP address

Hi, I have my hotspot working so it broadcasts, however when I try and connect to it, it won't obtain an IP address. I'm using dnsmasq as my DNS server. I've noticed when I assign myself a static IP address, I can connect fine to the hotspot, however I can't connect to my Pi via SSH which is what I'...
by owen_a
Mon Dec 07, 2015 11:08 am
Forum: Advanced users
Topic: Hostapd - Kali Linux - nl80211 driver initialization failed.
Replies: 2
Views: 17242

Re: Hostapd - Kali Linux - nl80211 driver initialization fai

So it seems that using a configuration from else where on the forum helped fix the issue, however it still doesn't make sense why I was getting those errors when trying to start hostapd manually. Anyway, this is the configuration that worked for me that somehow managed to get hostapd to work. I'd tr...
by owen_a
Sun Dec 06, 2015 4:00 pm
Forum: Advanced users
Topic: Hostapd - Kali Linux - nl80211 driver initialization failed.
Replies: 2
Views: 17242

Hostapd - Kali Linux - nl80211 driver initialization failed.

Hi, I've been searching numerous articles online and practically all of them have success with hostapd on the first go and it's really confusing why my adapter doesn't want to play ball. I'm using this adapter from eBay. Once plugged into the pi, I ran lsmod and lsusb to detect it and I can see it i...
by owen_a
Thu Oct 02, 2014 5:02 pm
Forum: Gaming
Topic: Tekkit Lite Minecraft Server on the Raspberry Pi!
Replies: 4
Views: 5539

Re: Tekkit Lite Minecraft Server on the Raspberry Pi!

Just recieved my new pi, Tekkit Lite runs like a dream on it. I have tested a quarry, no lag problems. How on earth does it "run like a dream"? I went through the tutorial and it's so damn laggy, I just stopped the server. I have the Model B Pi which is OC'd to 1Ghz via the "Turbo Mode". EXACT serv...
by owen_a
Thu Oct 02, 2014 4:59 pm
Forum: Gaming
Topic: Tekkit Lite Server On The Pi: Tutorial
Replies: 11
Views: 6499

Re: Tekkit Lite Server On The Pi: Tutorial

I went through the tutorial yesterday and ran the server my self on my Model B Pi - Turns out that it's so laggy that it's basically unplayable unless you don't mind waiting ~5 seconds for a block you broke, which also reappears, to finally drop and go into your inventory.
by owen_a
Wed Sep 03, 2014 1:01 pm
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

Looks like I'm going to need a replacement after all then.
by owen_a
Wed Sep 03, 2014 10:00 am
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

/me is going to step in with why do you have a fan attached to the RPi? it's not going to do anything useful now exactly what pins did you have connected to what ? include URL for parts or pictures to show us what it is you have been attaching Actually, the fan was acting as "minor" cooling which k...
by owen_a
Wed Sep 03, 2014 9:42 am
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

Well, I successfully tested some GPIO's and they gave me either 3.3v at HIGH or 0V for LOW. Its just this pin - GPIO 4.
by owen_a
Wed Sep 03, 2014 9:33 am
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

The fan has a three pin connector, so I just connected it to those pins since its getting the 5v and GND. The GPIO 14 Isn't being used as far as I can tell. Its just how the fan connector is. I don't have an oscilloscope so I can't really test to see what the waveform or voltage levels are apart fro...
by owen_a
Wed Sep 03, 2014 12:56 am
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

Well like I said in my first post, why is it working on one pi and not the other? Clearly GPIO 4 isn't getting enough power. The voltages are different from that pin with or without the fan from the pi that pi fm works on. GPIO 4 has 0.25V being outputted. I checked with my other raspberry pi in whi...
by owen_a
Tue Sep 02, 2014 9:14 pm
Forum: Troubleshooting
Topic: GPIO 4 - Not outputting 3.3V
Replies: 20
Views: 3489

Re: GPIO 4 - Not outputting 3.3V

rpdom wrote:So, your fan is powered from the 5v and GND pins. What is the connection to GPIO 14 (pin 8) used for?

I presume GPIO 4 (pin 7 I think) is used for your Pi FM antenna.
That's correct.

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