Arduino Lecture 9: Serial Communication

01Serial CommunicationSerial Port:The serial port, also known asserial communicationinterface orserial communication interface(usually referring toCOM port), is anexpansion interface that uses serial communication.USB (Universal Serial Bus)is a serial portbus standardand also atechnical specification for input and output interfacesthat is widely used inpersonal computersandmobile devicesand has expanded tophotographic equipment,digital televisions(set-top boxes),game consolesand other related fields.Serial communication: Refers … Read more

Utilizing Light: More Fashionable than Custom-Made Dresses

The speed of modern technological development has reached a level that is hard for us to imagine. Not only does it provide us with considerable convenience in our lives, but it has also cultivated many “lazy patients” including the mighty. The dazzling night scenes of cities, full of lights and changes, are also born from … Read more

Maker Education Practice Based on App Inventor

【Abstract】 “Maker” is currently a popular term on the internet. How to integrate “Maker” into teaching in primary and secondary schools, cultivating a group of new makers with innovative thinking and social benefits, is a question that educational researchers must consider. This article revolves around “Maker Education” and “Innovative Thinking”, proposing that the core concept … Read more

Getting Started with ESP32 and Arduino (Part 3): Connecting to WiFi and Retrieving Current Time

The ESP32 has a built-in WiFi module, making it very simple and convenient to connect to WiFi. The code is as follows: #include <WiFi.h> const char* ssid = "WIFI_NAME"; const char* password = "WIFI_PASSWORD"; void setup() { Serial.begin(115200); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { // statement delay(500); Serial.println("Connecting to WiFi…"); } Serial.println("Connected to the … Read more

Top Arduino Projects of 2024: Your Dusty Board Might Still Be Salvageable

Hello, fellow makers, geeks, DIY enthusiasts, and those possibly scratching their heads over graduation projects or competitions! Please put down your soldering iron and Dupont wires for a moment. The year 2024 (wait, is it already April 2025? Time flies when debugging!) has passed, and your Arduino board—does it still diligently blink the ancestral Blink … Read more

ESP32 IMAP Protocol for Retrieving Commands or System Upgrade Data from a Specified Email

In this article, we will implement the functionality of the ESP32 based on the IMAP protocol to retrieve operational commands or system upgrade data from a specified email. This functionality is mainly used to send non-real-time commands to the ESP32 without a server, or to send program upgrade packages and other non-time-sensitive data to the … Read more

Evaluation of Domestic Development Board: Qinheng CH32V103 Reading Memory Card Font Display

Thanks again to Qinheng for sending this CH32V103 development board, which integrates a simulation downloader, USB to serial converter, and is compatible with Arduino interfaces, making it very convenient to use.The FAT file system has evolved over the years (FAT, FAT12, FAT16, FAT32, exFAT) and is now widely used in small capacity storage media such … Read more

How to Choose an AI Development Board?

Recently, I have noticed that there are more and more AI development boards available. It can even be said that if future development boards do not have AI capabilities, one might reconsider whether to purchase them; it’s that exaggerated.The development of AI has also been quite rapid. Previously, I thought of it as a form … Read more

Experience Smart Plant Watering Without Buying a Development Board?

To facilitate more developers in experiencing HarmonyOS device simulation development, we have launched an online experience for the Smart Plant Watering Demo (Flower Guardian). Here, you do not need to purchase any hardware, and can experience how to remotely monitor the temperature, humidity, and watering of potted plants through a HarmonyOS phone in just 2 … Read more

How Can Development Boards Be Used? American Scholars Use Jetson Nano to Support Portable AI Prosthetics, Controlling Each Finger

Source: Machine Heart This article is approximately 1270 words long, recommended reading time is 3 minutes. This article introduces an experimental neural prosthetic controlled by embedded deep learning proposed by researchers from the University of Minnesota and other institutions. How else can Jetson Nano be used? In recent years, deep learning-based neural decoders have become … Read more