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 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

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

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

Open-Source 140W+65W Buck-Boost PD3.1 Fast-Charging Module (2C+1A Ports), IP6557+IP6538,

Open-sourcing a 205W buck-boost fast-charging module (140W+65W) based on the IP6557 and IP6538 chips. One Type-C port supports the PD3.1 protocol, wit

作者：zeruns 发布时间：2024-11-16

分类： Electronics / Circuits

标签： #Electronics , #Electronics,Circuits. , #Buck-Boost , #PD3.1 , #PD , #Open-Source , #Fast-Charging , #Fast-Charging Module , #IP6557 , #IP6538 , #Desktop Charger , #Charger , #Power Supply , #Power , #SMPS

A Simple Unboxing and Review of EastTester(中创) ET4410 Desktop Digital LCR Meter

Recently, I purchased an Digital LCR Meter to complete the equipment in my laboratory. I chose the EastTester(杭州中创) ET4410 as it offers a relatively h

作者：zeruns 发布时间：2024-11-13

分类： Reviews & Teardown , Electronics / Circuits

标签： #LCR , #Electronics , #Circuits , #Embedded , #ET4410 , #East Tester , #中创 , #杭州中创

STM32 based OLED screen driver with software or hardware I2C support (HAL library)

0.96" OLED(SSD1306) display driver based on STM32 G474 (4-pin I2C interface), supports hardware IIC/software IIC , HAL library version. This driver is

作者：zeruns 发布时间：2024-11-12

分类： Internet of Things / Embedded

标签： #Embedded , #STM32G474 , #STM32 , #Electronics , #OLED , #SSD1306 , #MCU , #I2C , #IIC

Synchronous Rectification Buck-Boost Digital Power Supply Based on STM32

A four-switch Buck-Boost digital power supply based on STM32G474, supporting TypeC interface PD decoy input and DC5.5 interface input, with input/outp

作者：zeruns 发布时间：2024-11-12

分类： Electronics / Circuits , Internet of Things / Embedded

标签： #Circuits , #Electronics , #STM32 , #Power , #STM32G474 , #Embedded , #MCU , #Buck-Boost , #Digital Power , #Power Supply , #Open-Source , #PD , #SMPS

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