Smart Recognition of Handwritten Digits Using ESP32 4.3-Inch Screen

Smart Recognition of Handwritten Digits Using ESP32 4.3-Inch Screen

What functions can be achieved by combining the ESP32 screen module with an LED light board? The project presented today only requires a swipe on the 4.3-inch touchscreen, and the neural network can instantly understand your handwriting and display the number you wrote on an 8×8 LED light board. Isn’t it amazing? Let’s see how … Read more

Several ESP32 P4 Development Boards Available, but Prices Remain High

Several ESP32 P4 Development Boards Available, but Prices Remain High

Recently, I searched on Taobao and found that several brands have launched ESP32 P4 development boards. It seems quite interesting. First, there is the official listing from Espressif’s store for the ESP32-P4-Function-EV-Board (engineering sample version). This is a kit that includes a7-inch1024×600capacitive touch screen, a2-megapixelMIPI CSI interface camera, and corresponding accessories. The accessories are quite … Read more

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

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

Domestic RISC-V Handheld Console Unveiled

Domestic RISC-V Handheld Console Unveiled

Source: Compiled from IT Home, Super Energy Network, etc. The domestic open-source hardware manufacturer Sipeed is set to launch a RISC-V handheld console — Lichee Pocket 4A, with official images now revealed. In terms of design, the Lichee Pocket 4A references the popular Nintendo Switch, featuring a detachable controller design. Its dimensions are 18 x … Read more

The Biggest Bug in MCU? Venom Can Never Bond with Spider-Man! Thanks to Iron Man

The Biggest Bug in MCU? Venom Can Never Bond with Spider-Man! Thanks to Iron Man

As a Marvel fan, I have been looking forward to the merger of Sony’s Spider-Verse and the MCU, hoping to see Spider-Man merge with Venom again to engage in a fierce battle. For those of us who have watched Tobey’s Spider-Man trilogy, it feels particularly lonely without either Venom or Spider-Man. Now, although Sony and … Read more

High Thermal Conductivity Insulation Sheets for Electric Vehicle MCU Motor Controllers

High Thermal Conductivity Insulation Sheets for Electric Vehicle MCU Motor Controllers

The three main components of new energy vehicles are the battery (Battery), motor (Motor), and electrical control system (Electrical Control System).1. Battery (Battery): The battery is the energy source for new energy vehicles, responsible for storing and releasing electrical energy. 2. Motor (Motor): The motor is the device that converts the electrical energy provided by … Read more

USB & I2S Digital Audio Application Solution Based on Renesas RA8D1 MCU

USB & I2S Digital Audio Application Solution Based on Renesas RA8D1 MCU

Author: DuHao Today, I would like to introduce the USB & I2S digital audio application solution based on the Renesas RA8D1 MCU developed by Shanghai Juexin Intelligent Technology Co., Ltd. The RA8D1 MCU series is the industry’s first 32-bit graphics microcontroller (MCU) based on the Arm®Cortex®-M85 (CM85) core, achieving groundbreaking performance with over 3000 CoreMark … Read more

MCU Micro Classroom | CKS32F107xx USART (Part 1)

MCU Micro Classroom | CKS32F107xx USART (Part 1)

MCUMicro Classroom CKS32F107xx USART (Part 1) Issue 53 2025.04.22 Introduction to USART The Universal Synchronous Asynchronous Receiver Transmitter (USART) provides a flexible method for full-duplex data exchange with external devices using the industrial standard NRZ asynchronous serial data format. The USART utilizes a fractional baud rate generator to offer a wide range of baud rate … Read more

An Introduction to Mainstream MCU and CPU Architectures, Development Methods, and Essential Tools

An Introduction to Mainstream MCU and CPU Architectures, Development Methods, and Essential Tools

Hello everyone, I am your hardcore partner. I used to struggle with the question: what exactly is the deal with those “chips” in embedded systems that are invisible and intangible? What routines and tools are needed to develop them? Today, I will take you through the mainstream MCU and CPU architectures, development methods, and essential … Read more

Common Implementation Methods of Software Timers in MCUs

Common Implementation Methods of Software Timers in MCUs

Follow+Star PublicAccount, don’t miss out on exciting contentSource | Internet In general embedded product design, due to cost, power consumption, etc., the selected MCU is usually resource-constrained, and the number of timers inside is also limited. In our software design, there are often various timing requirements, such as pulse output, key detection, LCD screen switching … Read more