What is HTTP Protocol? Archives - Page 2 of 3

In this article, we will see the main characteristics and examples of wireless technology of some IoT communication protocol that is trending […]

The IoT protocol stack can be visualized as an extension of the TCP/IP layered protocol model and is comprised of the following layers […]

In this post we’re going to show you example of publish and subscribe with MQTT Ethernet using Arduino UNO board testing with NodeRed […]

In this post we’re going to show you PIR Sensor based LED Control over Wi-Fi with Static/Fixed IP using NodeMCU […]

In this post we’re going to show you PIR Sensor based LED Control over WiFi without Internet using NodeMCU […]

In this blog, we are going to look at the differences between I2C and SPI. This is something that is usually asked […]

In this blog, we are going to look at the differences between the CISC and RISC processes. Before, we approach this topic in depth let’s […]

Build an ESP8266 Web Server that controls two LEDs. This ESP8266 Web page is accessed with any device with a browser […]

Keep alive ensures that the connection between the broker and the client is always open and that the broker and the client is aware […]

Last will and testament feature enables you to do error detection for mqtt clients. So, basically you get a notification […]

A retained message is a last known good value persisted by the broker for a topic so this means the last message which was sent by any […]

A persistent session the broker remembers the client. So, if you go offline for any reason the broker remembers your state […]

MQTT topics are very lightweight and dynamic. So, an MQTT is quite different from other protocol messaging systems […]

The client will establish a TCP connection to the broker. The MQTT client-broker connection is always between a client and a broker […]

The MQTT publish-subscribe pattern is something MQTT uses and implements. It is the foundational choice of communication for MQTT implements […]