Fully Automatic Solder Paste Printing (SPI Closed Loop)

Fully Automatic Solder Paste Printing (SPI Closed Loop)

How can traditional printing processes break through physical limits under the stringent requirement of a solder paste thickness deviation of only ±15μm? The modern SPI (Solder Paste Inspection) closed-loop system reduces the defect rate from traditional manual sampling of 3500ppm to below 50ppm through 3D laser scanning and real-time feedback control, becoming the first line … Read more

In-Depth Analysis of SPI Mode 4: Timing Attack and Defense with CPOL=1/CPHA=1

In-Depth Analysis of SPI Mode 4: Timing Attack and Defense with CPOL=1/CPHA=1

1. Experimental Task Task: Based on the STEP-MAX10M08 core board and STEP BaseBoard V4.0 baseboard, complete a simple voltmeter design and observe the debugging results. Requirements: Measure the adjustable potentiometer output voltage through the serial ADC chip ADC and display the voltage information on the core board’s digital tube. Analysis: Drive the serial ADC chip … Read more

A Comprehensive Guide to SPI Communication!

A Comprehensive Guide to SPI Communication!

Hello everyone, welcome to <span>LiXin Embedded</span>. In the world of embedded development, SPI (Serial Peripheral Interface) is undoubtedly a well-known name. It acts like an efficient “courier,” quickly transferring data between microcontrollers, sensors, ADCs, DACs, and other devices. With its high speed, simplicity, and ease of implementation, SPI has become a favorite in countless embedded … Read more

Constructing a Webshell Based on the SPI Mechanism

Constructing a Webshell Based on the SPI Mechanism

Disclaimer: The user is responsible for any direct or indirect consequences and losses caused by the dissemination and use of the information provided by this public account. The public account and the author bear no responsibility for this. Please bear the consequences yourself! If there is any infringement, please inform us, and we will delete … Read more

Analysis of Testing Equipment in PCBA Production Lines

Analysis of Testing Equipment in PCBA Production Lines

The role of the FAI first article tester is to conduct comprehensive testing on the first product produced before mass production begins, ensuring it meets quality standards before large-scale manufacturing starts. This mechanism effectively reduces the risk of incorrect items, lowers the probability of errors, and improves the overall quality of production. Through first article … Read more

Comparison of Three Major Serial Transmission Buses

Comparison of Three Major Serial Transmission Buses

If you don’t want to miss my updates, remember to check the public account in the upper right corner and set it as a star, take down the star and give it to me. Three commonly used serial buses are known to many, but distinguishing between them can be confusing. This video compares the three … Read more

Advanced SPI Communication Techniques: From Four-Wire to Quad SPI, Daisy Chain Solutions to Double Your Project Speed!

Advanced SPI Communication Techniques: From Four-Wire to Quad SPI, Daisy Chain Solutions to Double Your Project Speed!

1. Independent Chip Select (Standard Multi-Slave Mode) Solution Description: Each slave device is assigned an independent SS (chip select) line, and the master device activates the target slave by pulling down the corresponding SS line.Advantages: Each slave is independently controlled, and communication does not interfere with each other. Supports full-duplex high-speed transmission.Disadvantages: The number of … Read more

Microcontroller LCD Touch Screen Driver Technology

Microcontroller LCD Touch Screen Driver Technology

FATFS is a small file system designed specifically for embedded systems, featuring the following characteristics: 1. Cross-platform: Can be used on various microcontrollers 2. Small code size: The core code is about 13KB 3. Supports multiple storage media: SD cards, NAND Flash, etc. 4. Supports long file names 5. Supports multiple partitions In simple terms, … Read more

Using the CW32 Module: 1.14-Inch Color Screen

Using the CW32 Module: 1.14-Inch Color Screen

1Module Source>>> Module Physical Display: Data Download Link:https://pan.baidu.com/s/1cVzawBFj3ZkGml5Dj-368A Data Extraction Code:8888 2Specifications>>> The following information is from the manufacturer’s documentation Operating Voltage:3.3V Operating Current:20MA Module Size:31.4(H) x 28(V) MM Pixel Size:135(H) x 240(V)RGB Driver Chip:ST7789V Communication Protocol:8-bit Parallel Pin Count:16 Pin (2.54mm pitch header) Size Parameters 3Porting Process>>>Our goal is to port the example to … Read more