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BBGW And MQTT Broker Using Desktop

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In the previous post we have seen different ways to connect BBGW - BeagleBone Green Wireless board with Wi-Fi and unboxing BBGW for the fist time. This post is about how to test BBGW and MQTT Broker using desktop or laptop. When building IoT applications it is good practice to send test data using your desktop or laptop. This makes sure that your IoT application built using either flutter or android works fine. This will also help to reduce the waiting time for actual firmware and hardware getting ready. The mobile application developer can test and run his application without actual hardware. This technique can save you a lot of time and energy for the rest of your project development. MQTT

How To Connect BBGW To Internet

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This post covers getting started with Beaglebone Green Wireless and connecting to internet using BBGW Wi-Fi. Received BBGW (BeagleBone Green Wireless) a customized BeagleBone from SeeedStudio. If you have used BBB (BeagleBone Black) then you might notice few difference like there is no 5V DC Jack socket in BBGW. I had trouble connecting to internet from BBGW. Lets get started with How To Connect BBGW To Internet. If you have LCD cape and USB keyboard, you can setup Wi-Fi easily on BBGW. Lets get started with setting up without LCD cape and using command line. First Power Up BBGW There are lot of guide on setting up BBGW via USB. It is pretty straightforward, connect the USB to your computer/laptop, It

WordPress Error Establishing Database Connection

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There are lot of good articles on web with generic solutions to the problem of WordPress Error Establishing Database Connection, this post discuss about issue occurred during site migration to latest webhosting server. Wordpress Webserver Environment This issue is related to wordpress site migration to new cloud hosting server. The old webhosting server has following configuration The PHP version associated with wordpress site as PHP 5.3, WordPress version is 5.1.8 and MySQL version 5.1 which is also deprecated. The current website is running good from past few years, but with recent development it was required to upgrade. Since few plugins were not supported on PHP 5.3 and so we have decided to migrate the wordpress website to new cloud hosting

Touch Less Elevator New Norms of Life

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We at Neudeep Technologies Pvt. Ltd. continue to innovate and as part of our innovations we are happy to announce launch of touchless elevator for your needs. This is part of one of our product series  #IEC1000 (Intelligent Elevator Controller). We are proud to say "made in India" by startup company in Pune, India. As we continue to navigate with new norms of life during these pandemic times, the vertical transport industry has continued to innovate new products and features. One of such feature is, touch less technology. Touch less technology is especially attractive options in this current pandemic environment. An example of touch less technology is our own product ie touch less elevator. This enables passengers to use their cell phone as their personal

Ubuntu To Debian Upgrade Issues

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If you have received following message from dreamhost on VPS upgrade and your Ruby apps are broken then here are few tips that might save your day. "We will be upgrading your Virtual Private Server from version 14.04 (also known as trusty) to Debian 9.12 (aka Stretch!) ". Yes as they mentioned in their email that there are some environment changes that effect your system if you are using Ruby, Python, PHP, or run a site that relies heavily on specific server packages. Lets start with Ubuntu To Debian Upgrade Issues on VPS of Dreamhost. This post will help you only if you have already installed redmine on dreamhost VPS and your server is now upgraded to Debain Stretch. SVN Write

Advanced-cache.php Already Exists Warning

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Everything was broken when we tried to install yet another WP cache plugin. All the tabs and pages from admin panel are showing advanced-cache.php already exists warning. Warning! The file ../../wp-content/advanced-cache.php already exists. Please manually delete it before using this plugin. Origin Most of the wordpress installation done from dreamhost will have wp super cache plugin installed. This plugin will speed up wordpress blog, and so is recommended. If you do not have cache plugin installed then your wordpress blog will eat up lot of RAM(memory). There are multiple cache plugins available. We were trying out different plugins other than wp super cache. We tried to install hyper cache. Other than hyper cache there are tons of cache plugins, like, wp rocket, w3

Install Redmine on DreamHost VPS Server

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Recently we moved to dreamhost VPS server and signed in for 3 year service. We were using redmine in our projects for handling project management activities. After successful installation of latest redmine release on local server, it was time to move on to install and test it on webservers. But when we contacted Dreamhost support they have standard reply, Thank you for writing into DreamHost Support!Unfortunately, we cannot assist with custom configs for that application, My apologies. If you need root access for the install then you would need to use a dedicated server or DreamCompute and that would not be allowed on your current VPS.Dreamhost Support Reply There are multiple resources available across the web about Redmine on Dreamhost,

SAME54 I2C Driver Issue Solved

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If you are reading this post that means you are using ATMEL or Microchip controller. We are using ATSAME54 micro from microchip, it is ARM based cortex-M4 series controller. In our application we have around eight I2C ( Inter-integrated Circuit) slave devices connected. I2C slave devices includes, RTC, onboard temperature sensor, FRAM, LED drivers etc. Well as you know all I2C slave devices can be addressed using their addresses. Well as most of guys does we too have downloaded sample code from start.atmel.com and tested. We have SAME54 explained pro and we brought PCA9685 LED driver. This is simple I2C based LED driver and is easily available, its schematic and design also available from adafruit. With sample code and its

Install wxPython With Solved ImportError

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This post describes how to install wxPython on ubuntu system and helps with solved build errors while installation. This post assumes you have bare Ubuntu 18.04.3 LTS system and it is newly installed. wxPython is a opensource, cross platform, GUI toolkit for the Python programming. This post describes in detail for how to install wxpython ubuntu 18.04 for python2 and python3. wxPython allows Python programmers to create programs highly functional graphical user interface, simply and easily. Being cross platform with little changes it works on Microsoft windows and Linux systems. So if you have GUI application that requires to be executed on both windows and Linux wxPython is right choice for python programmers. 'pip' is required as a prior

How To Install Ionic Cordova With First Application

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Ionic framework is one of the popular development environment for mobile applications. Ionic is popular because of its open source mobile UI toolkit for developing rich cross-platform mobile applications. Cross platform meaning, apps developed using Ionic with single codebase can be executed from iOS(iPhones, iPad), Android and webserver(desktop Applications). It uses technologies like HTML, CSS, Javascript, NodeJS, To start with your first Ionic Application, you need to install Ionic framework. This post describes about installation of Ionic and its required components, running first Ionic application and how to run android application in ionic framework. Installation Follow below steps for Ionic framework installation. Assuming you are using fresh Ubuntu system and 'npm' is not installed on system, first install 'npm' - node

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