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What is AWS IoT SiteWise

  • by Vivek Bhageria
  • July 25, 2020

Getting performance metrics from industrial equipment is challenging because data is often locked into proprietary on-premises data stores and typically requires specialized expertise to retrieve… Read More »What is AWS IoT SiteWise

Automatic Light ON-OFF based on presence of people

  • by Narayan kalaburgi
  • July 12, 2020July 12, 2020

It is quite often that we see in homes, office that people leave the lights, lamps and fans in on condition even if it not… Read More »Automatic Light ON-OFF based on presence of people

nodemcu to aws iot

NodeMCU to AWS IoT service

  • by Vivek Bhageria
  • July 7, 2020July 7, 2020

In this series of post we will see how we can connect a NodeMCU to AWS IoT service. We will see the settings needed to… Read More »NodeMCU to AWS IoT service

storage classes in c

Storage classes in C

  • by Chaitra Bhat
  • June 25, 2020June 25, 2020

To completely define a variable, not only the ‘type’ of variable, the ‘storage class’ of the variable is also important. In other words, not only… Read More »Storage classes in C

#define macro in c

How to use #define Macros in C

  • by Chaitra Bhat
  • June 25, 2020December 11, 2020

Macros are a type of pre-processor. Pre-processors begin with the “#” symbol and are also called  directives. They are of great convenience to the programmers… Read More »How to use #define Macros in C

ESP8266 SPIFFS File System

The ESP8266 SPIFFS File System – Complete Beginner Guide

  • by Vivek Bhageria
  • June 23, 2020July 28, 2020

Did you know each ESP8266 allows you to partition the system flash such that you can use it to store both code and support a… Read More »The ESP8266 SPIFFS File System – Complete Beginner Guide

upload files to ESP8266 SPIFFS file system

Upload Files to ESP8266 SPIFFS

  • by Vivek Bhageria
  • June 23, 2020June 23, 2020

ESP8266 SPIFFS sketch data upload tool allows us to upload files to the NodeMCU or ESP8266 flash memory. This filing system can be used to… Read More »Upload Files to ESP8266 SPIFFS

send data from nodemcu to AWS IoT Core

How to Connect NodeMCU to AWS IoT Core

  • by Vivek Bhageria
  • June 21, 2020July 28, 2020

This post is part three in a three part series of steps to connect Connect NodeMCU to AWS IoT Core. In the last two post… Read More »How to Connect NodeMCU to AWS IoT Core

Convert .pem certificates to .der

How To Convert Certificates from .pem to .der format

  • by Vivek Bhageria
  • June 21, 2020July 7, 2020

There are two main methods for encoding certificate data – “.pem” and “.der”. DER = Binary encoding for certificate data PEM = The base64 encoding… Read More »How To Convert Certificates from .pem to .der format

Create a thing in AWS IoT

How to Create a “Thing” in AWS IoT

  • by Vivek Bhageria
  • June 21, 2020July 7, 2020

In AWS, the devices that connect to the IoT service are called Things. In order to communicate with the AWS IoT services, we will do… Read More »How to Create a “Thing” in AWS IoT

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