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rnagarajanmca / aws_cli_registration.md
Last active July 21, 2017 12:53
AWS CLI Guide
Install AWS CLI using following command
>pip install awscli
Integrated shell for AWS CLI, Can be used for tab completion, Command suggestions
>pip install aws-shell
@rnagarajanmca
rnagarajanmca / aws_cli_iot.md
Last active May 22, 2019 18:27
Instructions to use AWS IoT through CLI
Create a Thing
>aws iot create-thing --thing-name Thing1
 {
    "thingArn": "arn:aws:iot:us-west-2:747839..:thing/Thing1",
    "thingName": "Thing1"
}
List all Things



  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / aws_iot_connect_device.md
            
            

              Last active
              May 2, 2019 01:40
            

          

        

      

        

  

      

    
Preparing RPi to connect with AWS IoT


Follow the steps to setup RPi as AWS IoT thing
Do a Raspbian update by using following command


>sudo apt-get update
>sudo apt-get upgrade


Minimum Requirements



  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / emulate_rpi_on_windows.md
            
            

              Last active
              March 24, 2024 14:34
            

              
                Raspberry pi emulator for windows 
              
          

        

      

        

  

      

    
Emulate Raspberry pi on windows


Following files required to emulate raspberry pi on windows


    

  • QEMU Emulator
    • 

  • Raspberry pi kernel
    • 

  • Raspberry pi OS image
    • 



QEMU emulator


    

  • QEMU is an emulator
    • 




  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / opencv_guide.md
            
            

              Created
              August 4, 2017 13:26
            

              
                Open CV Reference
              
          

        

      

        

  

      

    
Install OpenCV under windows environment


    

  • Install anaconda
    • 

  • Create anaconda environment
    • 

  • Use conda install -c menpo opencv3 to install opencv
    • 




  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / install_ffmpeg_ubuntu.md
            
            

              Created
              August 12, 2017 03:41
            

              
                Install FFMPEG in ubuntu
              
          

        

      

        

  

      

    
Install FFMPEG in ubuntu


sudo add-apt-repository ppa:mc3man/trusty-media

sudo apt-get update
sudo apt-get dist-upgrade

sudo apt-get install ffmpeg



  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / esp8266_arduino_code.md
            
            

              Created
              August 13, 2017 08:43
            

          

        

      

        

  

      

    
Get Mac id of ESP8266


#include <Arduino.h>
#include <ESP8266WiFi.h>
void setup() {
    Serial.begin(115200);
    Serial.println("Mac address:"+WiFi.macAddress());
}



  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / esp8266_arduino_code.md
            
            

              Last active
              August 13, 2017 08:44
            

          

        

      

        

  

      

    
Get Mac ID


#include <Arduino.h>
#include <ESP8266WiFi.h>
void setup() {
    Serial.begin(115200);
    Serial.println("Mac address:"+WiFi.macAddress());
}



  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / raspberrypi_usb_audio.md
            
            

              Last active
              November 18, 2023 11:11
            

              
                Configure Raspberry pi with USB Audio 
              
          

        

      

        

  

      

    
Device specifications



List USB Device


Once you connected the USB Audio device with Raspberry pi use following command to see the list of connected USB device





  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / jenkins_ios_setup.md
            
            

              Last active
              September 12, 2017 10:44
            

              
                Setting up jenkins for ios build 
              
          

        

      

        

  

      

    
Troubleshooting


    

  • When jenkins build throws following error

     Going to invoke xcodebuild:target: Sampleapp, sdk: DEFAULT, workspace: Sampleapp, clean: YES, archive:NO, symRoot: DEFAULT, buildDir: DEFAULT, developmentTeamID: XXXXXXX
[Sampleapp] $ /usr/bin/xcodebuild -target Sampleapp -workspace Sampleapp.xcworkspace clean build DEVELOPMENT_TEAM=XXXXXXX
xcodebuild: error: You cannot specify targets with a workspace.
    

    • 



xcodebuild: error: If you specify a workspace then you must also specify a scheme. Use -list to see the schemes in this workspace.