DOI: 10. 3969 / j. issn. 1009-9492. 2019. 12. 006 LUO Runxin, YU Liuping, LIANG Hanfeng, et al. Chassis Design of Wheeled Mobile Robot Based on Arduino [J]. Electromechanical Engineering Technology, 2019, 48(12):21-22. Funding Project: Guangdong Province Science and Technology Plan Project (No: 2016B090927010); Guangdong Province General Higher Education Characteristic Innovation Project (Natural Science) (No: … Read more
This article is an excellent piece from the KX forum. KX forum author ID: 98 In the previous article of the series on creating your own penetration testing tool, the author discovered that many users reported that the badusb made with the Digispark development board could only execute the pre-written commands once. If it fails … Read more
Author:Cabe Atwell EET Electronic Engineering Magazine Original Like single-board computers (SBCs), CPUs, GPUs, and other electronic products on the market, the COVID-19 pandemic has affected the production of microcontrollers, leading to shortages. However, the current chip shortage is expected to improve in the coming months. Regardless of how severe the shortages are, manufacturers had already … Read more
MAKER: mosivers／Translator: Qun Endless Thermochromic liquid crystal film is a fascinating material that changes color with temperature variations. DIYing a clock with this material makes the display and the changing process particularly unique! The clock uses a four-digit seven-segment display, with hours and minutes arranged vertically and slightly offset. Each part contains a controller PCB … Read more
Today, I will introduce the development environment for ESP8266 and how to configure the VScode Arduino development environment. Our series of ESP8266 development is based on VScode, rather than using the Arduino IDE, which will be explained below. The ESP8266 module I am using is the ESP-12F, and the development board is similar to NodeMcu, … Read more
The ESP8266 is an ultra-low-power UART-WiFi transparent transmission module, featuring highly competitive packaging size and ultra-low energy consumption technology. It is designed specifically for mobile devices and Internet of Things applications, allowing users’ physical devices to connect to Wi-Fi wireless networks for internet or local area network communication, thus achieving networking functionality. Although the “WiFi … Read more
IntroductionRecently, I tried the Alibaba Cloud IoT platform, which has quite powerful features. Here are some experiences I would like to share. Hardware lMicrocontroller: STM32F103C8T6 lNetwork Connection: ESP8266 WIFI Module lSensors: PM2.5 Sensor, Temperature and Humidity Sensor The sensor drivers and the WIFI module driver are relatively simple; previous articles have also introduced them, so … Read more
Introduction: This article provides supplementary rules for the use of WiFi communication modules to assist model car operations in the Intelligent Vision Group and Balanced Beacon Group competitions. The aim is to allow participating teams broader exploration in areas such as vehicle-road collaboration and edge-cloud computing, guiding students to become familiar with the domestic embedded … Read more
Click the “Blue Words” to Follow Us Have you ever thought about using a small Arduino board to achieve smart interconnection between devices? Today, we will unveil the “golden key” to IoT communication – the MQTT protocol! Let your microcontroller easily achieve remote control and data transmission. What is MQTT? The “WeChat” of … Read more
1. LiteOS OC COAP Abstract Component Overview To accommodate various modes of using CoAP to connect to Huawei OC, this layer interface is adopted, providing the necessary interfaces for applications above and allowing flexible adaptation of access methods below. The OC COAP AL API interface is declared in <oc_coap_al.h>, and you need to include this … Read more