Qi9j0

PCB Multifunctional Reference Ruler-1

Overview

Simulation images

and physical models

of the gold-plated finish are here! JLCPCB offers free gold-plating! (Freebie hunter_Bilibili_bilibili)

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2026-03-28 14:49:42

debug
Recently I am responsible for the research and development of a product of the company, from schematic diagram to proofing and debugging. Now I have encountered a problem. Please ask the experts. The
How to design the MCU+8266 program structure
I have a project that I did on GD32F450, similar to ST's F427, using the freertos+HAL library generated by CUBE. There are two main tasks. The Main task is to use the signal converted from AC power as
Car-sharing is coming, do you still plan to buy a car?
[size=3]While the competition among shared bike companies is still fierce, shared cars have been quietly launched here. I heard that this afternoon, Lifan's electric shared cars were put into use in Z
Why can't my STM32F207 perform ISP serial port upgrade program?
I have been trying to upgrade the ISP serial port of stm32f207 recently, but I don't know why the flash loader can't recognize my board. Does stm32f207 not support isp mode? My boot0=1, boot1=0, this
Newbie help
Where is the Systick library in the firmware library v3.5?
My first blog, hehe.
The first time I knew EEWORD was when I was working in this job. I found it on Baidu and then registered. Fortunately, I met Sister SOSO, a tall, skinny, enthusiastic beauty. Hehe. I have been doing t

Datasheet More

Circuits More