This article presents the design of an alcohol concentration detector based on the current situation, which has the following advantages compared to traditional alcohol detectors: (1) Small size, easy to carry; (2) Uses a 12-bit AD conversion chip for high accuracy; (3) Samples 20 times within one cycle and performs smoothing on the sampled data … Read more
Source: Tiger Says Chip Original Author: Tiger Says Chip The CPU plays the role of the “brain” and “commander” in the entire computer system. It is responsible for fetching instructions from memory, decoding them, and executing various logical, arithmetic, control, and data processing tasks. Core Role of the CPU System “Brain” and “Commander” The CPU … Read more
Ultrasonic Radar Detector Difficulty Index: ⭐⭐⭐ Suitable Age: 9+ Introduction The ultrasonic radar detector allows your projects to
Peridogram This function can implement the periodogram and improved periodogram method. The basic syntax is to use the default rectangular window and DFT length to obtain the periodogram. The DFT length is the next power of 2 greater than the signal length. Since the signal is real-valued and of even length, the periodogram is one-sided … Read more
C++ Pointers: Basic Concepts, Pointer Arithmetic, and Pointer Arrays Explained In C++ programming, pointers are an important tool that helps us directly manipulate memory, enhancing the performance and efficiency of the program. This article will provide a detailed introduction to the basic concepts of pointers, pointer arithmetic, and how to use pointer arrays. 1. Basic … Read more
Acquisition Time Acquisition time is the time required for the sample-and-hold circuit to stabilize the sample capacitor voltage within 1 LSB range of the new input value after releasing the hold state.The formula for acquisition time (Tacq) is as follows: Aliasing According to the sampling theorem, input signal frequencies above the Nyquist frequency are referred … Read more
First, what is a Digital-to-Analog Converter (DAC)? A DAC is used to convert digital samples in bit form into analog waveforms of current or voltage. In short, a DAC is used to reconstruct an analog signal from a digital signal. The process of reconstructing an analog signal from a digital signal is as follows. First, … Read more
Complete Guide to DAC0832 Chip – Principles and Practical Applications Digital-to-analog conversion is an important aspect of electronic engineering. Today, we will explain in detail the working principle and usage of this classic chip, the DAC0832. Whether it’s for a signal generator or a control system, it can be utilized effectively. What is the DAC0832 … Read more
In modern industrial production, the health status of equipment directly determines the stability, efficiency, and economic benefits of the production line. As a key intelligent device for equipment health monitoring, vibration sensors can accurately capture subtle abnormal signals during equipment operation, providing crucial data support for preventive maintenance. This article will comprehensively explore the working … Read more
Amateur Radio Interesting and Fun Ham Community This article was published in November 2018 The Spectrum Monitor Magazine Author: Thomas Translated by: BG5WKP Zhu Yi SDR Introduction Part 1: Introduction to SDR and SDR Applications First, ask yourself what the goal of SDR is.Do you want to monitor ham radio traffic? How about aviation communications? … Read more