Hardware Design

In-Depth Analysis of Storage Modules for Intelligent Driving Domain Controllers: Architecture Design, Chip Selection, and Key Hardware Implementation Points

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In-Depth Analysis of Storage Modules for Intelligent Driving Domain Controllers: Architecture Design, Chip Selection, and Key Hardware Implementation Points

The main structure of this article is as follows: Core Functions of the Storage Module: Introduces three core tasks: data caching, algorithm model loading, and secure critical data storage. Classification and Comparison of Storage Chips: Includes a table comparing the technical parameters of various storage chips and an analysis of the relationship between capacity and … Read more

The Most Comprehensive Collection of Domestic and International Wheeled Robot Open Source Projects!

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The Most Comprehensive Collection of Domestic and International Wheeled Robot Open Source Projects!

The application of wheeled robots is very extensive, such as UGVs, hotel delivery robots, etc., involving mechanics, hardware, and software algorithms. They possess basic mobility and steering functions and can carry various sensors to achieve autonomous obstacle avoidance. Building a wheeled robot is a great way to learn about robotics technology.This article summarizes domestic and … Read more

ESP32 Development Board Selection and Hardware Design: Comparison of Mainstream Development Board Hardware

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ESP32 Development Board Selection and Hardware Design: Comparison of Mainstream Development Board Hardware

The following is a hardware comparison and selection guide for mainstream ESP32 development boards, covering core parameters, expansion capabilities, power consumption design, and applicable scenarios to help you accurately match project requirements: 1. Comparison of Core Parameters of Mainstream ESP32 Development Boards Development Board Model Core Chip Flash/PSRAM Wireless Features Key Interfaces Power Consumption Features … Read more

ESP32 Power and Power Management: Hardware Design for Power Optimization

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ESP32 Power and Power Management: Hardware Design for Power Optimization

The power optimization hardware design for the ESP32 is the cornerstone of achieving ultra-low power systems, requiring meticulous control over power architecture, peripheral circuits, PCB layout, and more. Below are hardware-level optimization solutions validated by engineering: 1. Power Topology Optimization 1. Efficient Power Conversion Solutions Scenario Recommended Solution Static Current Conversion Efficiency Key Models Input … Read more

ASIC vs FPGA: A Comparative Analysis

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ASIC vs FPGA: A Comparative Analysis

Project ASIC (Application-Specific Integrated Circuit) FPGA (Field-Programmable Gate Array) Full English Name Application-Specific Integrated Circuit Field-Programmable Gate Array Core Features Designed specifically for a certain type of function/product, highly customized Can be configured and programmed on-site by developers, high flexibility Flexibility Low (cannot be modified after leaving the factory) High (reprogrammable, quick trial and error) … Read more

Air780EPM: Common ADC Hardware Circuit Design Scenarios

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Air780EPM: Common ADC Hardware Circuit Design Scenarios

Air780EPM——Hezhuo’s low-power4G-Cat.1module launched in 2025,one of the main models,features 4MB of RAM, supports LCD, camera, Modbus, Ethernet, and CAN; it has more powerful secondary development resources, improved peripheral capabilities, and is more suitable for industrial scenarios. Recently, an engineer friend asked:What is the ADC accuracy of the Air780EPM? They want to save an external ADC… … Read more

Open Source Solution: Allwinner D1s Smart Home Control (86 Box)

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Open Source Solution: Allwinner D1s Smart Home Control (86 Box)

Project Name: Allwinner D1s Smart Home Control Virtual Light Rendering Interaction (86 Box) Project Author: It’s Xiaoye~ Introduction Every time before going to bed, I have to prepare for a “100-meter” sprint(to the bed).Never mind, I can’t be too bold˙Ⱉ˙ฅEven after lying in bed, I still think, ah, did I turn off the bathroom light? … Read more

Guide to Avoiding Pitfalls in Embedded Development: A Comprehensive Analysis and Practical Solutions for I2C Bus Deadlocks

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Guide to Avoiding Pitfalls in Embedded Development: A Comprehensive Analysis and Practical Solutions for I2C Bus Deadlocks

1. Introduction: When the “Two Wires” Suddenly “Stop Working“ In the daily work of embedded engineers, the I2C bus, with its two-wire communication feature, is a prime example of “minimalist aesthetics“. However, this seemingly simple two-wire system can suddenly fall into a “deadlock“—the clock line (SCL) stubbornly remains high, while the data line (SDA) is … Read more

Temperature Upper and Lower Limit Alarm Based on 51 Microcontroller – LCD1602 Display

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Temperature Upper and Lower Limit Alarm Based on 51 Microcontroller - LCD1602 Display

Click the blue text·Follow us Temperature Alarm Based on 51 Microcontroller (Simulation + Program + Schematic + Design Report) 01 Function Introduction Specific Functions: This product is designed using a 51 microcontroller + DS18B20 temperature sensor + LCD1602 display + transistor. 1. DS18B20 collects temperature, LCD1602 displays temperature; 2. Temperature measurement range: -55 to 125 … Read more

First Prize in Technological Education Innovation: IoT-Based Multi-Terminal Photoelectric Effect Experiment System

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First Prize in Technological Education Innovation: IoT-Based Multi-Terminal Photoelectric Effect Experiment System

Click the blue text to follow us Author Chen Sixin / Quanzhou No. 7 Middle School, Fujian Province The photoelectric effect experiment involves the most fundamental concepts of quantum physics and serves as an important bridge between quantum physics and classical physics. The physics curriculum standards require students to understand the experimental laws of the … Read more