So, what exactly is BLE? Bluetooth Low Energy (BLE) is basically a power-conserving variant of Bluetooth. BLE’s primary application is a short-distance transmission of small amounts of data. How do the BLE Server and Client work? There are two types of devices the server and the client. The esp32 can act as...
In this blog, We can learn about DMC Migration from One Server to Another. Distributed Monitoring Console (DMC) is leveraged to monitor the health of the Splunk environment. Currently, it is developed in a way that it examines the Splunk Enterprise and enables us to view the topology and performance information...
The CAP1188 offers a large variety of button and proximity functionalities. It’s a turnkey capacitive touch controller, which also encompasses 8 LED drivers. These LED drivers provides full-on / off, dimness controls, variable rate blinking, and breathing. Every LED driver is connected with one of the sensor inputs to actuate when it...
In this post let’s learn how to use the smartphone Telegram app to perform home automation. BOM: NodeMCU Relay Jumper wire Telegram Hardware circuit: Relay Module NodeMCU GND GND VCC VCC DIN GPIO5 (D1) Steps 1) Telegram bot library: The Telegram bot library is necessary to integrate with the Telegram application. 2) Telegram App Setup: Install telegram application on your smartphone and look for botfather. Create a new bot using botfather. From botfather, you will receive an API token, the authentication key to get connected with Telegram API. After the successful installation of telegram application on your smartphone...
In this blog, We can learn about Air Quality Check Using Asynchronous Web Server with MQ135 Gas Sensor and Esp8266NodeMCU Air Quality Check Using Asynchronous Web Server with MQ135 Gas Sensor and Esp8266NodeMCU. The MQ135 gas sensor, which is a type of air quality sensor detects different...
OTA updates (Over the Air) involves loading of firmware to ESP module with Wi-Fi connection instead of a serial port. This functionality turned out to be extremely useful in cases that have no physical access or limited access to the module. Two separate partitions are created, one for the working firmware and another one for the new firmware. A new...
What is Firebase?? The Firebase Realtime Database is cloud-hosted where the data is saved as JSON and contemporized in real-time with all the connected clients. 1. Open “firebase.google.com” 2. If you have a Gmail id, you don’t have to Sign Up for firebase. If you don’t have a Gmail id, Sign...
Micro Python is nothing but a re-implementation of Python version 3 aimed at microcontrollers and embedded systems. Installation of Python on Windows Ensure that you have installed the latest version of Python 3.7.X on your computer. If not, follow the below instructions for Python 3.7.X installation. From the Python Downloads page: www.python.org/downloads Download the installation file. Select the desired version based on your OS. Click Download to start...
Case 1: When the data is sent using logstash, an index name is given in the output section of the logstash.conf file. Whereas in the Kibana without creating an index pattern we can’t search. In the Management tab in the Kibana, choose Index Patterns and it will get displayed. Select Add New to display Configure an Index Pattern section. Mention an index pattern that suits the name...
Mutate filter permits one to execute mutations on fields. You can rename the fields, transform, clear, and alter them in the events. The data mentioned below is in CSV file: FName,LName,Age,Salary,EmailId,Gender Rahul, Kumar,35,30000,Rahul.kumar,m Raju, Sinha ,60,70000,raju.sinha,m Rita,kumari,46,90000,rita.kumari,f Let’s consider the above CSV file with a mutate filter and analyze its usage. The below-mentioned code block represents...
