I have many friends back in India who are planning to start an educational institute who wanted to create a website to make it easier for students to take exams online. There is a professor too who teaches in a tuition who wanted to have a website to have CET questions and answers posted on

Tagged under: , , , ,

Installing Node.js on Raspberry Pi

Monday, 09 November 2015 by

          Get the arm version of the raspberry pi using the following command: You can also use: Download the correct version from node website. Download the node file using wget Untar the file using the following command: pi@raspberrypi ~ $ tar -xvf node-v4.2.2-linux-armv6l.tar.gz Change the directory to node-v4.x.x-linux-armv6l/lib/node_modules/npm Run the following

Tagged under: , ,

Download the Raspbian from the following link: Follow the following link to get the image burned onto an SD Card: To get the wireless up and running, you need to purchase a USB-Wifi. I used the following: Note: No monitor or Keyboard are required to get the Raspberry Pi up and running. You can easily

          Location of the implemented code. There are multiple ways to get this done. Option 1) Run everything on a single ROS Node Start roscore Start the service that is publishing information Start the ros bridge service: roslaunch rosbridge_server rosbridge_websocket.launch Start a local python web server: python -m SimpleHTTPServer ( Start from the

Using roslibjs to publish the output of a topic to a URL so that it can be used by a web application. Get the roscore running Get the service that needs to be published running Run the following command: roslaunch rosbridge_server rosbridge_websocket.launch To start a local webserver: python -m SimpleHTTPServer ( Do this from the location where

Hello all, It has been a long time since my last technical post. In this post, I am going to update how I communicated to my Nvidia Jetson board using MAC. If you have a HDMI cable and a monitor, you could connect it to the monitor and switch on the Jetson. In my case,

What are UDEV rules?

Tuesday, 20 October 2015 by

Generally there are many devices connected to a system through external ports. Many of the devices are connected through USB ports. Whenever a USB device is connected to a system you can see the port it is connected through the dmesg command, which shows the device name under which the USB device got connected. You

Bangalore to Boulder again

Tuesday, 20 October 2015 by

Boulder to Bangalore

Friday, 16 October 2015 by