My solar project and strange things

I was planned to build a small solar project few weeks ago. Purpose is to charge my mobile devices and power up night lamp in the bed room at night. All the major parts were purchased through eBay. Few weeks passed when they arrive.

Finally after two days effort solar panel placed near the bed room window. Battery pack was placed on top of the cupboard near the window. Solar panel began to work without any issues. 

Few days passed and suddenly I noticed that a squirrel started to come to bed room with dry leaves and building a nest behind the cupboard. After Several attempts of cleaning that mess finally squirrel gave up.

Afterward another strange behaviour  observed from our dog. It began to howl continuously. We changed his foods, bathed, gave medicine. But howling didn't stop. 

Finally I gave up and  stayed without listening to its howl. But I noticed that it tried to say something to us.

Few days ago  I realized bitter truth. In the solar panels module there was a step down transformer. This gadget produce very low frequency noise or hum. We can't hear that but dogs can. I was switched off solar panel and suddenly our dog became very calm and stopped howling. below image is that regulator. 

Hi flutter and dart

Today I tried Google new sdk flutter and programming language dart. according to Wikipedia "Flutter is an open-source mobile application framework created by Google. It is used to develop applications for Android and iOS, as well as being the primary method of creating applications for Google Fuchsia"

Fuchsia is a capability-based operating system currently being developed by Google

I think these three will change the path of the google within few years. Never tried fuchsia yet.

Flutter is pretty interesting. I was followed exact same steps as flutter installation guide said. The guide is very user-friendly and straight forward. No need rocket science or scary coding.

https://flutter.io/get-started/install/

Actually It doesn't need to install anything. Its just like portable. But need code editor and I used android studio.

But it can run and execute through command prompt also. I never did something like this before.

Flutter has command called "flutter doctor". It scan whole environment and identify issues if something goes wrong. Some times issues fix by itself. Its very very useful.

And there is a demo app in Google play store. Take a look at "Flutter Gallery"

https://play.google.com/store/apps/details?id=io.flutter.demo.gallery

These interfaces and controllers very close to ios. I mean its look and feels like ios.

My conclusion is this. I dont know whether google continue this project or drop. But Im sure this will going to change the future of mobile Os. And this is a huge competitor for android Os. Because fuchsia is not based on Linux kernel. It is based on a new micro-kernel called "Zircon". Google is target fuchsia OS to run all the devices today we use.

There is few helpful videos i found in YouTube. This is a one of them

Lunar Eclipse and sky observation silmulators

Yesterday night there was a lunar eclipse. Yes I stayed without sleeping to see that.Bad luck, dark clouds made me cry.

At last I was download stellarium software and watch eclipse without any trouble.

Its an open source sky observation tool. There is a portable version also available. 

Mars also became brighter than before

When fully covered

this is how its started

This is how its ended.

At 3.33 am in Sri Lankan time there was a shadow still there in the corner. According to wikipedia  this eclipse was the longest total lunar eclipse in the 21 century.6:13:48 hours in total.

There is a another software starry night. Its not for free. But the quality is better than stellarium. 

Blogs and Me

Just decided to write a new blog in English. The content of this blog not decided yet. But what ever things happens to my life, where ever I go will be plan to post to this blog. And also I want to share my knowledge with the world. 

According to my memory I have around 10 years of experience about blogging. But all of them are Sinhala blogs.  There was an era that blogs were very popular within us. That is a another wave. Its fade away. So many years passed and now there are very limited bloggers are exist. Most of others were become v-loggers (Video + Blog). YouTube became popular media for express Ideas. Most of v-loggers earns from it more than typical blogs. I also tried that. but unfortunately I have no time to waste something like video editing. So I decided to fall back and start a new blog. 

When I was start my first blog my purpose was become popular and collect so many hits. Now i am little bit mature and i do not need hits. Now I just want to give something to world. Something anything to make some one's life better.