Operational Amplifier (Op-Amp) Beginner's Guide: From Theory to Practice

Operational Amplifier (Op-Amp) Beginner's Guide: From Theory to Practice 📑 Table of Contents What is an Operational Amplifier? Op-Amp Family Tree: Mo

作者：zeruns 发布时间：2026-04-30

分类： Electronics / Circuits

标签： #Op-Amp , #Electronic , #Electronics , #Electronics,Circuits. , #Electronic Engineering , #Analog Electronics , #Analog

[Open Source] PD65W GaN Charger (ACF), Based on DK8607AD, IP6538-AC-65W, XPM52CDP65

Open source a 65W PD fast charging GaN charger, based on DK8607AD power chip, Active Clamp Flyback (ACF) topology, IP6538-AC-65W + XPM52CDP65. Downloa

作者：zeruns 发布时间：2026-03-02

分类： Electronics / Circuits

标签： #SMPS , #GaN , #Flyback , #Power , #Power Supply , #Power Electronics , #DCDC , #ACF , #IP6538 , #XPM52CDP65 , #DK8607AD , #Open-Source , #HBR20200P5 , #HSBB15N15S , #UCC24612 , #Active Clamp Flyback , #Charger , #PD

[Open Source] SC8703-Based Adjustable Buck-Boost DC/DC Power Supply | Voltage & Current Adjustable, PD Fast Charge Input Supported

Open sourcing a Buck-Boost DC/DC power module based on the SC8703 chip. Input voltage up to 36V, input/output current up to 10A, switching frequency 6

作者：zeruns 发布时间：2026-02-23

分类： Electronics / Circuits

标签： #Power , #SC8703 , #DCDC , #Buck-Boost , #Power Electronics , #Power Supply , #PD , #XT30 , #CH224Q , #KiCad

Open Source 24V3A Flyback Power Supply Based on UC3842, with Transformer Parameter Calculation

Open-sourcing a wide input voltage, 24V 3A output flyback switching power supply. This 72-watt design achieves a peak efficiency of 87.4% and is based

作者：zeruns 发布时间：2025-10-13

分类： Electronics / Circuits

标签： #SMPS , #Flyback Power Supply , #Flyback , #ACDC , #UC3842 , #MOSFET , #Switching Power Supplies , #RCD , #PQ2620 , #Electronic , #Electronics , #Electronic Engineering , #Power Electronics , #PSIM , #PC817 , #NJH65R600S , #SBDD10200CT , #MSB40M , #AC/DC , #PCB , #Schematic , #JLC , #Synchronous Rectification , #UCC24612 , #Transformer

Flyback Power Supply Design: Parameter Calculation, Component Selection & Transformer Winding Guide

This article uses a 72-watt flyback power supply with a wide-range voltage input (24V, 3A output) as an example to demonstrate the calculation of circ

作者：zeruns 发布时间：2025-10-13

分类： Electronics / Circuits

标签： #SMPS , #Power , #Electronic , #Electronic Engineering , #Transformer , #Power Electronics , #Flyback Transformer , #Flyback , #Flyback Power Supply , #PQ , #PQ2620 , #Hardware , #Electronics , #Electronic Information Engineering , #RCD , #AC/DC , #ACDC , #AC , #Switching Power Supplies , #Open-Source , #Transformer Design , #Transformer Winding , #MOSFET , #EMI , #MOS , #UC3842

WCH CH224K Fast-Charging Protocol Chip: Function Changed but Model Number Remains Unchanged?

Has WCH Changed the Functionality of the CH224K Fast-Charging Protocol Chip Without Changing Its Model Number? In the 1F version of the datasheet, the

作者：zeruns 发布时间：2025-09-27

分类： Electronics / Circuits

标签： #WCH , #CH224K , #Fast-Charging , #PD , #IC , #CH224 , #Fast-Charging Protocol Chip , #Chip

Magnetic Components/Magnetic Core Materials & Structures: Analysis, Comparison & Selection Guide

Magnetic Components / Magnetic Core Materials / Core Structures Comparison and Selection Guide In magnetic component design, the magnetic core is the

作者：zeruns 发布时间：2025-09-10

分类： Electronics / Circuits

标签： #Electronic Information Engineering , #Switching Power Supply , #Magnetic Components , #Magnetic , #Magnetic Core , #Magnetic Core Material , #Inductor , #Inductors , #DC-DC , #DCDC , #AC-DC , #AC/DC , #Power Electronics , #Inverter , #Transformer , #Electronic Engineering , #FeSiAl , #Ferrite , #Mn-Zn Ferrite , #Magnetic Component Design , #PFC , #PQ

Disassembly and Circuit Design Analysis of ZGRL-80 Photography Light

ZGRL-80 Photography Light / Portable Handheld COB Fill Light – Detailed Teardown and Circuit Analysis Disassembly video: https://www.bilibili.com/vide

作者：zeruns 发布时间：2025-07-03

分类： Electronics / Circuits , Reviews & Teardown

标签： #ZGRL-80 , #Teardown , #COB , #Photography Light , #Fill Light , #PD , #LED , #FQD50N06 , #FQD70N10 , #Disassembly , #SS56 , #SB10100L , #CMD50P06 , #FQD30N04 , #PCB , #OC6801B , #FP7208 , #CN3765 , #TM1621B , #PWM , #Type-C , #DC-DC , #DC

Open-Source USB 10 Gbps Hub with 2.5 Gbps Ethernet & TF/SD Card Reader (VL822+RTL8156BG+GL3224)

Open-sourcing a USB3.2 expansion dock with Type-C input: 4 USB3.2 Gen2 ports + 2.5G Ethernet + TF/SD card readers, supports PD fast charging for auxil

作者：zeruns 发布时间：2025-04-29

分类： Electronics / Circuits

标签： #USB-C , #USB3 , #USB HUB , #VL160 , #VL822 , #Type-C , #RTL8156BG , #Embedded , #Electronic , #Electronics , #TF , #SD , #PCB , #GL3224 , #SC8703 , #MT2492 , #EA3036 , #2.5G , #2.5Gbps , #USB3.2 , #PD , #Ethernet , #Open-Source

EG1164 High-Power Synchronous Rectification Boost Module Open Source with 97% Peak Efficiency

EG1164 High-Power Synchronous Rectification Boost Converter Module – Up to 97% Efficiency, Input Voltage 8~50V, Adjustable Output Voltage 8~60V, Maxim

作者：zeruns 发布时间：2025-02-16

分类： Electronics / Circuits

标签： #EG1164 , #EG , #Power , #Power Supply , #Open-Source , #DCDC , #Boost , #DC-DC , #EGmicro , #LCSC , #EasyEDA , #Synchronous Rectification

Measured Comparison of Capacitors and Inductors Across Different Brands and Types (D, Q, ESR, X)

Recently, I purchased an LCR bridge and decided to measure and compare the parameters of various capacitors and inductors I have on hand. The testing

作者：zeruns 发布时间：2025-02-15

分类： Electronics / Circuits

标签： #Capacitors , #Cap , #Inductors , #LCR , #ET4410 , #ESR , #D , #Q , #X , #Electronic , #AISHI , #ChengX , #CEC , #JWCO , #ELNA

Open-Source Three-Phase Energy Meter: Simplifying Home Electricity Monitoring

Built a Three-Phase Power Meter for Home Energy Monitoring This device can measure three-phase current, voltage, power, power factor, and energy consu

作者：zeruns 发布时间：2025-02-15

分类： Electronics / Circuits , Internet of Things / Embedded

标签： #Three-Phase , #Energy Meter , #Meter , #Open-Source , #ESP32-C3 , #PZEM-004T , #ESPHome , #HomeAssistant , #Embedded , #ESP32 , #AC , #Energy Monitoring , #Energy

Open-Source Smart Electronic Load Based on CH32V307, Embedded Competition Project Open Source

Open-source smart electronic load based on CH32V307VCT6, embedded competition project open source, including schematic diagrams, PCB, program source c

作者：zeruns 发布时间：2025-02-06

分类： Electronics / Circuits , Internet of Things / Embedded

标签： #Electronic Load , #Electronic , #Electronics , #CH32V307VCT6 , #CH32V307 , #WinChipHead , #WCH , #Open-Source , #Hardware , #CH32 , #Embedded , #Embedded Competition , #MCU , #OSHWHub , #Schematic , #PCB

EG1151 High-Power Synchronous Buck-Boost Power Module (Supports Type-C PD Fast Charging) Open Source

We are open-sourcing a fully domestic high-power adjustable buck-boost DC-DC power module based on the EG1151 chip. It supports Type-C input, includes

作者：zeruns 发布时间：2025-01-16

分类： Electronics / Circuits

标签： #EG1151 , #DCDC , #Buck-Boost , #Power Supply , #Power , #PD3.1 , #PD , #Open-Source , #Hardware , #Electronics , #FS312BH , #PCB , #SMPS

Java Implementation of 99 Multiplication Table — Using For Loop and Recursion

Java Implementation of 99 Multiplication Table For Loop public class ninenine { public static void main(String[] args){ for (int i=1;i<10;

作者：zeruns 发布时间：2024-12-28

分类： Java

标签： #Java , #Study Notes , #Multiplication Table , #Loop , #Recursion