FFMPEG is great utility for essentially messing around with video, images and sound files. I will state from the start that I am no professional with this but I am just getting to grips with some bits. However using the Raspberry Pi I have already achieved:
1. Converting multiple images into a slide show
2. Combined Espeak .wav file with said slide show
Now doing so paves the way for some possible tutorial videos on the fly. Imagine if you had a step by step instruction guide and the necessary photos to back each step up? Hmmm. You could go down the route of manually doing a voice over, including the text slapping it all together. I might take you several hours to do so but I am currently working on seeing if I can get a reasonable quality instruction video with voice over and text which is purley driven from a CSV file? Not only that but a script that will fire off so you upload a file and off you go.
Ok this might sound boring to you but it is fun for me to do as it allows me to code without the hassle of passing it via a QA manager.
Friday 24 October 2014
How to build DIY Night Vision for a rifle scope
I have been a little quite recently but that is not because I have not been doing anything. I have a few projects on the go as usual and it is difficult to find time to do what I want whilst committing to my day job and family life.
Anyway. I thought I would update my followers, me at present by the looks of it, with my latest revision of my DIY Night Vision kit for air rifles. Again if you don't approve then, well, tough.
I have posted two videos that give you an idea of the finished version which I must admit is better than the first as is more compact, easy to fit and can double up as a stand alone spotter given the correct lighting with Infa Red.
Build video:
https://www.youtube.com/watch?v=iG8P...xmTiyGA1xm63SA
Finished product:
https://www.youtube.com/watch?v=-fwf...m63SA&index=41
Note: I filmed the end version before the build video.
I am looking to start selling these as either DIY Nightvision build kits, fully built kits or kits with the wiring loom complete. The latter if you are doing this yourself you will realise that it is the biggest headache of them all.
Anyway. I thought I would update my followers, me at present by the looks of it, with my latest revision of my DIY Night Vision kit for air rifles. Again if you don't approve then, well, tough.
I have posted two videos that give you an idea of the finished version which I must admit is better than the first as is more compact, easy to fit and can double up as a stand alone spotter given the correct lighting with Infa Red.
Build video:
https://www.youtube.com/watch?v=iG8P...xmTiyGA1xm63SA
Finished product:
https://www.youtube.com/watch?v=-fwf...m63SA&index=41
Note: I filmed the end version before the build video.
I am looking to start selling these as either DIY Nightvision build kits, fully built kits or kits with the wiring loom complete. The latter if you are doing this yourself you will realise that it is the biggest headache of them all.
Monday 6 October 2014
Ford Focus Electrical issue - Alternator
Not the usual type of blog but more of an information post really. As there are a lot of Ford Focus's out there this might help someone.
Ford Focus Electrical problem - My headache, well the son-in-law's really.
1. Symptom
2. Cause
3. Solution
The symptoms of the underlying electrical problem is as follows:
1. Crackling Speakers
2. Dash board clocks work intermittently or only at low revs
3. Relays clicking for no reason
4. Battery excessively hot after a short journey, long journey might make the battery hiss or leak fluid.
As with most modern cars electrics have come along way and it can be difficult to diagnose every fault easily. The symptoms described are based on
real life events and if you are in any doubt take your vehicle to a trained motor technician for advanced diagnosis.
The cause of the symptoms described were traced to a faulty alternator. This became apparent when testing the voltage being applied to the battery.
Normal voltage generated from the alternator should be about 14v however upon testing the voltage the voltage was closer to 19v. This gave the reason
behind the hissing battery as it was essentially cooking itself. As to the remainder of the other symptoms they were also indicators of this as when the revs
rose up the voltage increased even further.
With alternators the most common way of failing is due to the carbon bushes wearing away however this normally results in a lower voltage or non at all.
This therefore indicates that the volatge regulator that is housed within the alternator had failed thus allowing excess voltage to be applied to the
vehicles electrics.
You could remove the alternator and attempt to change the volate regulator. This could be the cheapest option however does require the ability to strip
the alternator down and rebuild which might be out of reach to the average DIY motor mechanic. The simplest and easyest option is therefore a direct
replacement.
Ford Focus Electrical problem - My headache, well the son-in-law's really.
1. Symptom
2. Cause
3. Solution
The symptoms of the underlying electrical problem is as follows:
1. Crackling Speakers
2. Dash board clocks work intermittently or only at low revs
3. Relays clicking for no reason
4. Battery excessively hot after a short journey, long journey might make the battery hiss or leak fluid.
As with most modern cars electrics have come along way and it can be difficult to diagnose every fault easily. The symptoms described are based on
real life events and if you are in any doubt take your vehicle to a trained motor technician for advanced diagnosis.
The cause of the symptoms described were traced to a faulty alternator. This became apparent when testing the voltage being applied to the battery.
Normal voltage generated from the alternator should be about 14v however upon testing the voltage the voltage was closer to 19v. This gave the reason
behind the hissing battery as it was essentially cooking itself. As to the remainder of the other symptoms they were also indicators of this as when the revs
rose up the voltage increased even further.
With alternators the most common way of failing is due to the carbon bushes wearing away however this normally results in a lower voltage or non at all.
This therefore indicates that the volatge regulator that is housed within the alternator had failed thus allowing excess voltage to be applied to the
vehicles electrics.
You could remove the alternator and attempt to change the volate regulator. This could be the cheapest option however does require the ability to strip
the alternator down and rebuild which might be out of reach to the average DIY motor mechanic. The simplest and easyest option is therefore a direct
replacement.
Subscribe to:
Posts (Atom)