MQTT is a messaging protocol developed by IBM. MQTT is a lightweight publish-subscribe messaging transport protocol designed for M2M and IoT connections. Mosquitto is an open-source message broker that implements the MQTT v3.1 protocol, providing a lightweight, publish/subscribe messaging model that makes short message communication between devices simple and easy to use. If you are … Read more
[Image] Click to follow us for more IIOT insights! [Image][Image] Hongke Industrial Raspberry Pi with high performance, multiple interfaces, and wide temperature range—suitable for harsh environments ★★★★★ [Image] 1 Introduction: Hongke Industrial Raspberry Pi CloudRail.Box can serve as an edge gateway between the workshop and the cloud. It is suitable for brownfield environments using auxiliary … Read more
[Image] Application Background HONG KEUbidots is an Internet of Things cloud platform that securely connects hardware and digital inputs to the Ubidots Cloud through a device-friendly API (accessible via HTTP / MQTT / TCP / UDP protocols). It allows data to be sent to the cloud from any internet-enabled device, such as Arduino…
[Image] Get more IIoT insights by clicking the blue text to follow us [Image][Image] Hongke IIoT teaches you in simple steps how to use the industrial Raspberry Pi – to upload CPU temperature values to the cloud platform via HTTP protocol.Introduction HTTP is the English abbreviation for Hypertext Transfer Protocol, an application protocol based on … Read more
[Image] Click to follow us for more IIOT goodies~ [Image][Image] Hongke Industrial Raspberry Pi with high performance and multi-interface wide temperature–adapt to harsh environments ★★★★★ Part 1 Introduction In previous articles, we have introduced how to use Hongke Industrial Raspberry Pi in conjunction with CODESYS to implement soft PLC and establish project steps. This article … Read more
[Image] To get more IIOT insights, please click the blue text and follow us [Image] Hongke·IIOT Industrial Raspberry Pi Revolution Pi is an industrial Raspberry Pi designed and packaged based on the Raspberry Pi compute module. The RevPi operating system is optimized based on Raspbian, adding RT real-time patches to the Linux kernel to enable … Read more
Click the “Mechanical and Electronic Engineering Technology” above to follow us 1. Introduction to GPIO The Raspberry Pi (GPIO) is a digital input/output interface used to control and monitor electronic components. Input pins can be used to read signals from external devices such as sensors or buttons; output pins can be used to output voltage … Read more
Click on the above “blue text” to follow us! Limited Time Download: Follow us on “Microcontroller”, reply “Tutorial” to get the microcontroller eBook, reply “Simulation” to get Proteus simulation materials. Continuously updated… Source: Geek Fans (http://www.geekfans.com/article-5095-1.html) In this article, we will use a sound sensor to create a simple voice-controlled light. Final Effect Raspberry Pi … Read more
All the tool download links mentioned below are in the read more link at the bottom left of the article. ## 1. Format the MicroSD Card Be careful not to be tempted by cheap prices; it is said that 40% of sandisk cards on the market are fake, so it is best to buy from … Read more
Welcome to the “Five Minutes of Science and Technology” column of the Precision Instrument Department. This column will introduce the achievements of science and technology every week, push the latest dynamics, provide a platform for technical exchanges, and also have popular science explanations aimed at younger students. This issue will introduce Raspberry Pi – a … Read more