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Playing with Ricoh Theta S

A friend of mine recently bought Ricoh Theta S and was nice enough to lend it to me for a day.
It is a really nice gadget that produces decent quality 360-degree photos (5376 x 2688 px) and OK video files, considering that the videos are 1920 x 960 px.

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I was very lucky the previous day to find a field full of poppies and I have shot some really nice photos. You could check the other images on the bottom of this page.

I have visited the same field the following day to test the Theta S and I have got some really unique perspective pictures.
It is really nice that Ricoh had worked out the embedding so well, whether you want to share the image on Facebook or Twitter and there is also an embed code that works really well.

Here is an example that I have took while laying in the middle of the field

Post from RICOH THETA. #theta360 – Spherical Image – RICOH THETA

And here is an example of photo taken in lower light in closed space  just to test the seams processing

Post from RICOH THETA. #theta360 – Spherical Image – RICOH THETA

At the end of the day, Theta S is really nice gadget and also it could be used for creating Google street view content, since it is one of the cameras suggested by Google

DJI A2 Flight controller

Downgrade A2 from 2.7 to 2.1 – GPS pro / GPS pro plus problem

Why would I need to downgrade A2?
It seems that DJI had forgotten that not all their customers that use DJI A2 FC have the latest GPS pro plus module

DJI A2 Flight controller

Recently I have encountered a problem after upgrading DJI A2 to the latest 2.7 firmware. The GPS pro module started acting and I wasn’t able to arm my multicopter.

After doing some research I have found that this is a well-known problem because the latest firmware requires you to have GPS pro plus module and it cannot work with the regular GPS module that came with the A2 when it was bought.

You should downgrade A2 in order to continue using the pro gps module

So you would say, that is easy, just downgrade and everything is back to normal.
That could be done if are keeping previous versions of the Assistant software so you could uninstall the latest and install the one that is compatible with the required firmware.
Unfortunately if you try to find previous firmware versions on the DJI website, there aren’t any. You could only download the latest one. So there is no way to downgrade A2 unless you have an older version of the Assistant software.
I have started searching for an older version of the Assistant software in order to do downgrade A2 and after an extensive search, I have found a link to download the 2.1 firmware – http://download.dji-innovations.com/downloads/a2/A2_1.2_Installer.zip

After the installation, all went back to normal, but I started wondering if I’m forced to use 1.2 version or the link could work for the other firmware version, just by changing one number in the filename. It turned out that all other versions are there,and you can downgrade A2 to any firmware you want, just replace the number 2 in the link with the required version http://download.dji-innovations.com/downloads/a2/A2_1.[enter your number here no brakets]_Installer.zip

Just in case DJI decides to remove the previous versions from their server, I have uploaded the file on 4Shared