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

What is dB? How to Calculate dBm, dBc, dBi, and dBd, and What Are Their Differences?

What is dB? How to calculate dBm, dBc, dBi, and dBd, and what are the differences? Introduction In the fields of electronics, communications, and audi

作者：zeruns 发布时间：2024-11-24

分类： Electronics / Circuits

标签： #Electronics , #dB , #dBm , #engineering , #communications