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Recent content by gavinray

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    Why Use Virtual Serial Ports and Serial Port Assistants in Communication?

    What are Serial Port Assistants and Virtual Serial Ports? Serial port assistants and virtual serial ports are quite common in serial communication. A serial port assistant is a software tool for serial communication. It can send and receive data and has an intuitive interface that facilitates...
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    MOSFET Gate Drive Issues: Unstable Switching and Overheating in Buck Converter

    Hi everyone, I’m designing a synchronous buck converter (input 24V, output 5V @ 3A) using IRFZ44N MOSFETs for both high-side and low-side switching. The circuit works in simulation (LTspice) with ideal switches, but the real prototype has two critical issues: 1. Problem Description High-Side...
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    Three phase Inverter only works with ideal switch not with MOSFET model.

    Hi , Based on your description, the issue likely stems from differences between ideal switches and MOSFETs in practical implementations. Below are key troubleshooting steps and solutions to resolve the MOSFET-based inverter issues: 1. Critical Differences: Ideal Switches vs. MOSFETs Ideal...
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    What is MIMO technology?

    MIMO (Multiple Input Multiple Output) technology is a technique that enhances the performance of wireless communication systems by using multiple antenna systems (both transmitting and receiving). Its core advantage lies in transmitting and receiving signals through different spatial paths...
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    What is GPS/BDS positioning?

    In today's era of rapid digitalization and globalization, positioning technology has become an indispensable part of our daily lives. Whether it is navigation, map services, logistics management, or the geographic location function of smart devices, they all rely on accurate positioning...
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    BLDC motor driver circuit

    For driving a 24V 2A BLDC motor with a Nuvoton MS51FB9AE 8051 controller, you can use both types of MOSFET configurations (N-channel on both high and low side, or P-channel on the high side and N-channel on the low side), but there are key differences in how they are driven: N-Channel MOSFETs...
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    Cloud Data Transmission Radio Overview

    The Cloud Data Transmission Radio is a type of data transmission radio that utilizes 4G cloud technology, replacing serial ports for unlimited-distance data transmission (replacing wired communication). Typically, data transmission radios consist of both transmitters and receivers, and, through...
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    Different output of Amplifier with slightly changes at input side

    To analyze and mathematically calculate the resistance values in these circuits and understand why they produce different outputs, it's essential to have a deeper understanding of the circuit configurations. Although the precise schematics for Circuit A, Circuit B, and Circuit C are not...
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    need help with alarm circuit [toggle output]

    To build the alarm circuit you described, you'll need to design a system with two primary states: armed and unarmed. The alarm is toggled between these two states by separate high pulses, and the alarm triggers only when the system is in the armed state. Additionally, the alarm should be...
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    CANopen Communication Modes: SDO and PDO

    CANopen provides two communication modes: SDO (Service Data Object) and PDO (Process Data Object). SDO is typically used by the master station to read data from the slave or configure the PDO communication mode of the slave. After receiving the message, the slave station must acknowledge, as...
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    Server Nginx Proxy Manager and Cloudflare Wildcard Domain Application Guide

    Nginx Proxy Manager is a reverse proxy management tool based on Nginx, providing a user-friendly web interface to easily manage and configure Nginx reverse proxies. Its main features include: User-friendly interface: Quickly add and manage proxy hosts (reverse proxy rules) through the graphical...
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    What practical problems can CAN communication solve?

    Hi everyone, I have recently been studying CAN communication, especially its applications in automotive and industrial automation. I understand that CAN bus, as a reliable communication protocol, is widely used in systems that require real-time data exchange and distributed control. But I would...
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    ETH-CAN comunication

    In the standard CAN protocol, the frame length is limited to 8 bytes. When the message length exceeds 8 bytes, segmented transmission is required using the ISO 15765-2 protocol (the network layer protocol in the CAN protocol). This error may be caused by your device or configuration trying to...
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    USB to Serial Converter FAQs

    When using a USB to Serial Converter, users may encounter some common problems. Here are some hot issues and their solutions: Recommand 1. Driver installation problem Problem: The converter does not work properly after being plugged into the computer, and is displayed as "Unknown Device" or...
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    How to access IOT router at remote location using their static or ddns ip address

    Contact Your ISP: The simplest way is to contact your Internet Service Provider (ISP) and ask if they have assigned a static IP to your connection. Router Settings: Log in to your router's admin panel and check the WAN or Internet settings. If the IP address field shows a fixed IP and...
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