Skip to content

WebBlogs

blogs by webservice.lk

  • PHP/MySQL
  • Arduino
  • Linux
  • Solar
  • Miscellaneous
Simple SIP/VoIP Android App using PJSIP Library

Simple SIP/VoIP Android App using PJSIP Library

by blogadminMarch 10, 2021March 10, 2021

Android Application is based on the library here https://github.com/VoiSmart/pjsip-android. This Native PJSIP library for Android is compiled using PJSIP Android Builder You

Zip directory using Node.JS

Zip directory using Node.JS

by blogadminDecember 27, 2020December 27, 2020

Archiving a file/folder using nodejs is very simple. I have used nodejs archiver library to zip directory and fs library to get

NodeJs Http Server (Web Server)

NodeJs Http Server (Web Server)

by blogadminDecember 19, 2020December 19, 2020

Making a simple HTTP server in Node.js is very simple. Node.js provides extremely easy-to-use HTTP APIs, a simple web server. Let’s take

Manage IoT Sensor Network with ISTSOS (Open Source)

Manage IoT Sensor Network with ISTSOS (Open Source)

by blogadminNovember 5, 2020November 5, 2020

IstSOS is Free and Open Source Sensor Observation Service Data Management System (OGC SOS server implementation) written in Python. istSOS allows for

NodeMCU ESP8266 Over The Air (OTA) Programming In Arduino IDE

NodeMCU ESP8266 Over The Air (OTA) Programming In Arduino IDE

by blogadminOctober 4, 2020October 4, 2020

A fantastic feature of any WiFi-enabled microcontroller like ESP8266 NodeMCU is the ability to update its firmware wirelessly. This is known as

Smart Switch using NodeMCU – Works with Google Home Assistant

Smart Switch using NodeMCU – Works with Google Home Assistant

by blogadminAugust 30, 2020August 30, 2020

Google assistant is AI (Artificial Intelligence) based voice command service. Using voice, we can interact with google assistant and it can search

Toroidal Transformers

Toroidal Transformers

by blogadminApril 28, 2020

Transformers are made from a pair of solenoids wrapped around a metal core that is usually a ferrite. Toroidal transformers are two

Difference Between MPPT and PWM Charge Controller

Difference Between MPPT and PWM Charge Controller

by blogadminApril 18, 2020April 18, 2020

  MPPT Solar Charge Controller PWM Solar Charge Controller 1. What they do The PWM controller is in essence a switch that

Salt Water Batteries

Salt Water Batteries

by blogadminApril 18, 2020April 18, 2020

Saltwater batteries are not similar to lithium-ion batteries or lead acid batteries for use in portable devices or any automobiles. This is

Get selected location’s coordinates using Google’s Javascript API

Get selected location’s coordinates using Google’s Javascript API

by blogadminApril 12, 2020April 20, 2020

To get the coordinates from a selected location on the map (Latitude and Longitude) to input fields, we can use Google’s Javascript

Convert video files  using FFMPEG in Linux

Convert video files using FFMPEG in Linux

by blogadminMarch 31, 2020March 31, 2020

Convert MKV to MP4 ffmpeg -i video_file.mkv output_file.mp4 If you only want to convert MKV to MP4 then you will save quality

Blinking LED With Arduino Nano

Blinking LED With Arduino Nano

by blogadminMarch 17, 2020March 17, 2020

Things you need: Arduino Nano, 3V LED, 100 Ohm Resistor To power up the Arduino Nano board, you can use USB cable

Powering Up Arduino Nano

Powering Up Arduino Nano

by blogadminMarch 17, 2020March 17, 2020

The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328P (Arduino Nano 3.x). It has more or less

Simple REST API php/mysql

Simple REST API php/mysql

by blogadminMarch 15, 2020March 17, 2020

REST meaning of “REpresentational State Transfer”. It is a concept or an architecture for transfer information over the internet with unique and

Bootstrap 4 Login Page – PHP/MySQL

Bootstrap 4 Login Page – PHP/MySQL

by blogadminMarch 8, 2020March 15, 2020

Here i have created a login page where user can enter their email address and password. When user submit the form, inputs

NodeMCU ESP8266

NodeMCU ESP8266

by blogadminMarch 2, 2020March 24, 2020

NodeMCU is a low-cost open source IoT platform. It initially included firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems,

1 2 Next »

Recent Posts

  • Simple SIP/VoIP Android App using PJSIP Library
  • Zip directory using Node.JS
  • NodeJs Http Server (Web Server)
  • Manage IoT Sensor Network with ISTSOS (Open Source)
  • NodeMCU ESP8266 Over The Air (OTA) Programming In Arduino IDE

Categories

  • Android
  • Arduino
  • Linux
  • Miscellaneous
  • Node.JS
  • php/mysql
  • Solar

Archives

  • March 2021
  • December 2020
  • November 2020
  • October 2020
  • August 2020
  • April 2020
  • March 2020
  • February 2020
© Copyright 2021 WebBlogs. All rights reserved | MadeByWebBlogs