Array Signal Processing

Arduino Sensors: Touch Sensor

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Arduino Sensors: Touch Sensor

01Basic UnderstandingModel:HS-S31PName:Touch SensorSeries:SensorDescription:This module is designed specifically for detecting mechanical collisions or vibrations. It features a built-in elastic triggering mechanism and signal processing circuit, which can convert physical collision forces into recognizable digital signals (high/low level). It accurately responds to instantaneous impacts or continuous vibrations, making it a core detection component for obstacle avoidance and … Read more

Collaboration of STM32 and FPGA: Creating a High-Precision Local Control DDS Arbitrary Waveform Generator

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Collaboration of STM32 and FPGA: Creating a High-Precision Local Control DDS Arbitrary Waveform Generator

Click the blue text Follow us This article introduces the design and implementation of a local control DDS arbitrary waveform generator based on STM32 and FPGA. The project successfully generates adjustable waveforms (sine, triangle, square), frequencies (DC-5MHz), and amplitudes (0.1V-1V) using a high-speed DAC combined with FPGA internal DDS logic, and displays waveform parameters in … Read more

Arduino Sensors: Ambient Light Sensor

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Arduino Sensors: Ambient Light Sensor

01Basic UnderstandingModel:HS-S20PName:Ambient Light SensorSeries:SensorDescription:This is a sensor device designed specifically for detecting ambient light intensity, equipped with a light-sensitive element(such as a photoresistor or photodiode), which can convert ambient light signals into electrical signals, providing real-time feedback on light intensity changes, enabling devices to have the ability to “perceive light”.Usage Scenarios:Linking curtains and lighting systems … Read more

The Technical Insider of PLC Programmers: A Deep Dive from Control Cabinets to Industry 4.0

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The Technical Insider of PLC Programmers: A Deep Dive from Control Cabinets to Industry 4.0

In the field of industrial automation, the role of a PLC programmer is far more complex and critical than it appears on the surface. They are not just code writers, but also architects of industrial control systems, experts in fault diagnosis, and specialists in efficiency optimization. This article will take you into the real working … Read more

ESP32 Oscilloscope: View Signals Collected by ESP32 Using a Web Browser

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ESP32 Oscilloscope: View Signals Collected by ESP32 Using a Web Browser

The ESP32 Oscilloscope is a tool that uses the ESP32 chip and a web user interface to observe signals. It displays the signals read by the ESP32 chip through a web browser, allowing you to intuitively understand the shape and changes of the signals. Features • Web User Interface: Access the ESP32 Oscilloscope via a … Read more

What Can One Trillionth of a Second Achieve?

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What Can One Trillionth of a Second Achieve?

Femtosecond This unit may be unfamiliar to many. 1 femtosecond is one trillionth of a second. Located in the High-tech Zone of Nanhu, Jiaxing, Zhejiang Sais Electronic Technology Co., Ltd. produces clock chips that can control the jitter specification accuracy to 100 femtoseconds. On July 7, the testing workshop of Zhejiang Sais Electronic Technology Co., … Read more

Electronic Components Used in ECU (Electronic Control Unit)

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Electronic Components Used in ECU (Electronic Control Unit)

ECU (Electronic Control Unit) is the core component of the automotive electronic system, primarily used to receive sensor signals, process data, and control actuator actions. It contains various electronic components, which can be categorized into the following functional modules: 1. Core Processing Module Microcontroller (MCU) Function: The “brain” of the ECU, responsible for computation, logic … Read more

Principle of Equivalent Time Sampling and Its Implementation in FPGA

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Principle of Equivalent Time Sampling and Its Implementation in FPGA

Follow and star our public account for exciting content directly. Source: Online Materials In modern electronic measurement, communication systems, and biomedical fields, data acquisition and storage of broadband analog signals are often involved for further data processing by computers. To achieve distortion-free acquisition of high-speed analog signals, according to the Nyquist theorem, the sampling frequency … Read more

MATLAB Basic Practices

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MATLAB Basic Practices

MATLAB Basic Practices 1. Basic Operations in MATLAB 1.1 MATLAB Interface 1.2 Common MATLAB Commands 1.3 Numerical, Comparison, and Logical Operations 1.4 M-files 1.5 Live Scripts and Live Editor 1.6 Step Signals and Impulse Signals 2. MATLAB Plotting 2.1 Basic Plotting 2.2 Handle Graphics 2.3 Interactive Plotting some topics 3. Time Domain Analysis of Continuous-Time … Read more

GNURadio Part One: Time Domain Display Module

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GNURadio Part One: Time Domain Display Module

🏷️GNURadio is a digital signal processing development environment, similar to Matlab Simulink or LabView 🏷️Modular, allowing specific functionalities to be achieved simply by connecting these modules 🏷️Includes codec modules, demodulation modules, hardware interface modules 🏷️As well as time domain display modules and frequency domain display modules 🏷️The entire project is open-source, allowing access to the … Read more