Click here to download the materials (3rd update) We are giving away materials, copy and reply with the following keyword to receive them Material Collection About Today’s Post IIC stands for Inter-Integrated Circuit, a simple, bidirectional, two-wire, synchronous serial bus designed by Philips Semiconductor in the early 1980s. Microcontrollers generally have hardware I2C, so why … Read more
Overview of the EMMC Protocol Whether it’s EMMC V4.5 or V5.1, the protocol can seem overwhelming for newcomers who may struggle to grasp the key points or analyze it properly. This article summarizes some important and commonly used aspects of the EMMC protocol. 1. Basic Understanding of EMMC 1.1 Physical Connections: Card Concept (eMMC) image-20220215110840519 … Read more
Method of Mitsubishi PLC Controlling Mitsubishi Inverter: Using the PLC’s digital output to control the inverter (i.e., connecting the PLC’s digital output directly to the inverter’s digital input, allowing the PLC to control the inverter’s start, stop, forward, reverse, and multiple speed operation at high, medium, and low speeds through programming). Using the PLC’s analog … Read more
01 【Overview of RS-485】 RS-485, like RS-232, is a serial communication standard. The current standard name is TIA485/EIA-485-A, but it is commonly referred to as the RS-485 standard. RS-485 is widely used in industries such as automation, automotive, and building management. The RS-485 bus overcomes the shortcomings of RS-232’s short communication distance and low speed. … Read more
↑ Click the above“IoT Time and Space” to follow us Reprint must indicate the source: “IoT Time and Space” WeChat official account (IoT-LPWAN)。 The main IoT application layer protocols include CoAP, MQTT, XMPP, HTTP, etc. The “IoT Time and Space” public account will analyze and compare these protocols separately. First, let’s take a look at … Read more
Hands-On Writing of UDP Protocol Stack Series No. Content 1 “Hands-On Writing of UDP Protocol Stack – UDP Protocol Stack Format” 2 “Hands-On Writing of UDP Protocol Stack – DHCP Message Parsing” 3 “Hands-On Writing of UDP Protocol Stack – OTA Host” 4 “Hands-On Writing of UDP Protocol Stack – DNS Message Parsing” 5 “Hands-On … Read more
Introduction The Internet of Things (IoT) refers to the “internet of everything connected,” which is an extension and expansion of the internet, forming a huge network by combining various information sensing devices with the network, enabling connectivity among people, machines, and objects anytime and anywhere. However, many IoT terminals are resource-constrained, with limited storage space … Read more
This post is from a handsome young graduate from Beijing in 2017 – Xiao Xiao Su. 1. Concept MQTT is an IoT communication protocol based on the Publish/Subscribe model. With its simplicity, support for QoS, and small message size, it occupies a significant share of IoT protocols. MQTT (Message Queuing Telemetry Transport) is a “lightweight” … Read more
Follow the IoT Planet to track IoT dynamics! “IoT Planet” aligns with global industry trends, focusing on the integration of IoT and industry, and sharing technologies and applications related to IoT. MQTT (Message Queuing Telemetry Transport) is a “lightweight” communication protocol based on the publish/subscribe model. This protocol is built on top of the TCP/IP … Read more
Click the blue "One Click Linux" in the top left, and select "Set as Star" Get valuable articles first ☞【Valuable】Embedded Driver Engineer Learning Path ☞【Valuable】Linux Embedded Knowledge Points – Mind Map – Free Download ☞【Employment】A Comprehensive IoT Project Based on Linux for Your Resume ☞【Employment】Resume Template for Job Hunting 1 Author: Open-minded Lake AI What … Read more