Maximum RAM Capacity in Windows

 

Check your maximum RAM capacity of your system

Step 1: Open Powershell.

Step 2: Type the command "(Get-CimInstance Win32_PhysicalMemoryArray).MaxCapacity/1MB"

Step 3: Press Enter. Then you will see the maximum capacity of RAM you can upgrade in GB.

In my case, the maximum RAM capacity for upgrade is 16GB. 

Now one more thing, you need to check the number of RAM slots present in your PC/Laptop. If it is 1, you can upgrade by one 16GB RAM stick. If it is 2, you have to upgrade by applying two 8GB RAM stick (8GB + 8GB = 16GB) for maximum RAM upgrade.

Step 1: Open Powershell.

Step 2: Type the command "(Get-CimInstance Win32_PhysicalMemoryArray).MemoryDevices" and press Enter.

You will find the number of RAM slots which will help you to upgrade your windows system. 

RC Bluetooth Controller (HC-05)

RC Bluetooth Controller (HC-05)

Note: HC-05 bluetooth module will only work with Arduino UNO R3. It will not work in other arduino boards like nano,R4,etc.

Points to Remeber before connection:

1.  You must first pair the "HC-05" bluetooth module. Open your bluetooth and scan for available devices. You will find a device named "HC-05". Click on it and pair. DO NOT CONNECT, JUST PAIR.
2. Make sure no other devices is connected with bluetooth like earbuds, smart watch, speaker, etc., as it may cause problem in connection with bluetooth module.

Download Arduino code for RC Car

Download Code

Download RC Bluetooth Controller (HC-05) App

Download App

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Youtube Channel

Watch How to Connect HC-05 Bluetooth Module with App

Robotic Arm Controller

 Robotic Arm Controller

Note: HC-05 bluetooth module will only work with Arduino UNO R3. It will not work in other arduino boards like nano,R4,etc.

Points to Remeber before connection:

1.  You must first pair the "HC-05" bluetooth module. Open your bluetooth and scan for available devices. You will find a device named "HC-05". Click on it and pair. DO NOT CONNECT, JUST PAIR.
2. Make sure no other devices is connected with bluetooth like earbuds, smart watch, speaker, etc., as it may cause problem in connection with bluetooth module.

Download Arduino code for Robotic Arm

Download Code

Download Robotic Arm Controller App

Download App

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Youtube Channel

Watch How to Connect HC-05 Bluetooth Module with App

Record Button:

Record button in Robotic Arm Controller app is used when you want to make your arm perform a repetitive task, like box picking from a conveyor belt. User have to record every steps once to be performed by the arm and that's all. Press play button and the arm will continuously perform the task. 

• Set initial position of the arm and press record button (standing position).
• Set 2nd position of arm and again press record (arm stretched).
• Set 3rd position of arm and press record (open claw).
• Set 4th position of arm and press record (grip the box).
• Set 5th position of arm and press record (pick up box).
• Set 6th position and press record (move toward area where box should be placed)
• Set 7th position and press record (open claw to release box).
• Set 8th position and press record (go to initial position).

Now, when you press play button, the arm perform all the steps from 01 to 08 continuously, until you press stop button. You can record upto 50 steps only.

To reset, press reset button. All entries will be deleted.

How to install Visual studio code

Step I: Open this link in any browser: https://code.visualstudio.com/

Step II: You will get "Download for Windows" button. You can also download visual studio code by clicking on that for 64 bits else click on that arrow beside the button.

Step III: Now, after that, you can download visual studio code for macOS, windows x64 and linux x64 by clicking the download buttons on the right side. You can download stable version or insider version as your choice. I prefer stable version to download.

Else, you can click on 'other downloads' at the bottom to download for 32 bit or for ARM.

Step IV: After clicking on 'other downloads', you will get an interface like given below. Now you can download visual studio code for windows, linux or mac. You will get many options there so you can select them according to your choice and download it.

Step V: After clicking any of it, the download will start automatically within 15 seconds. If download didn't start then click on 'direct download link' to download it again.

Step VI: After downloading it, open it and accept the License Agreement and click Next.

Step VI: Select the path where your visual studio code will install. I prefer let it be set default. Then click Next.

Step VII: If you want to create a folder of Visual Studio code in Start Menu then click Next else check that check box at bottom and then click Next.

Step VIII: If you want to create a shortcut of visual studio code in desktop then check the first box else uncheck it. then check all the rest check box and click next.

Step IX: Verify your settings and click on install button.

Step X: At last after installation completes, click on Finish. Your visual studio is now installed successfully. Now, enjoy it.

Video:

How to update your app on google play store

 Updating app on

Google Play Store

Step 01: Open your google play console.

Step 02: Select the app which you want to update and click on the arrow at the right side of that app.

Step 03: To change the app name, descriptions, logo, feature graphics or screenshots, scroll down at the left side and find Store presence and inside that click on Main store listing. 

Step 04: Now, there you will find App details. In that, you can see your App name, Short description and Long description. You can change it if you want else ignore it.

Step 05: After scrolling down, you will get App icon. If you want then change it then click on Replace button else ignore that.

Step 06: Below that, you will get feature graphics. If you want to change that then click on Replace button else ignore that.

Step 07: Scroll down and you will get Phone screenshots. To remove screenshots, click on delete icon which will be at right corner of each screenshots when you place your mouse over it. To upload more screenshots, click on upload button. Like this, change the screenshots of Tablets also and upload new screenshots.

Step 08: Now, to upload your APK or App bundle, scroll up leftside and and click on Production.

Step 09: Then click on Create new release.

Step 10: Then click on upload to upload apk or app bundle.

Step 11: When you apk or app bundle will be uploaded, scroll down and you will see that Release name is filled automatically. You just need to write Release note.

Step 12: After that, click on Save button.

Step 13: After that, click on Review release.

Step 14: A new screen will appear. Click on Start rollout to Production.

Step 15: A pop up will appear. Just click on Rollout.

Step 16: Now, its done. You will redirect to Production page. There in Release, you can see your app version, which is 2(2.0.0), and your app status, which is in review state.

Step 17: In main page, inside all apps, you can also see you app status which is in review.

Since your app is in review, it doesn't mean that your app is removed from playstore. Your previous version of that app will be there in playstore and after review of the updated app, it will be there on playstore automatically.

Video:

How to unpublish your app on google play store

 Unpublishing app on

Google Play Store

Step I: Open your google play console.

Step II: Select the app which you want to unpublish and then click on the arrow on the right side of that app.

Step III: You will see the status of your app is active. On the left side scrollbar,  select Setup and choose Advanced settings.

Step IV: In Advanced Setting, you will see App availability section. By default, it is selected as Published as your app is published on play store.

Simply select Unpublished option and then click on Save changes button at below.

A popup will appear. Select Unpublish button.

 

At bottom, you will get a message 'Your changes have been saved'.

Come back to main page. In All apps, you will see that the App Status of the app which you unpublished is set to 'Removed by you'.

If you open the app, you will see that the status of the app is inactive.

If you want to publish that app again after few months, simply follow the steps from 1 to 4 and at last, select the published option in App availability and then click on Save changes.

Video: