Every engineer deeply involved in PCB design has, at some point during a late night, stared at a chaotic SI waveform on the screen or a chip emitting smoke on the test bench, pondering the philosophical question: “Whose fault is this, really?” As the saying goes, “In the world of Jianghu, the blame comes from … Read more
Once again, it’s a big bowl of noodles, over 200 stocks are rising, while over 5000 stocks are waiting to rise. The rise and fall ratio today is approximately 5.2%, which is the same as the GDP growth rate of China in 2023. A large bearish candlestick with no feet is a typical breakdown pattern, … Read more
12-Hour Chart: 4-Hour Chart: It is rare to see an upward case of both a+A+b+B+c central points. 2-Hour Chart: In this situation, it seems that following my method to sell when breaking below the 5-day line on the 2/4 hour chart is not effective. The only solution is to hold firmly when observing a significant … Read more
Friends with extensive project development experience must have encountered issues with memory overflow. How do you analyze such problems? The previous article detailed the map files in IAR, explaining how to analyze and understand the content of map files in IAR. This article will similarly discuss the contents of map files in MDK-ARM. Output Map … Read more
[Image] This concludes the technical sharing regarding MQTT. Future updates on the latest developments related to MQTT will be provided periodically. If there are any aspects of MQTT that have not been thoroughly covered or if you have better suggestions, please feel free to leave a comment. We will normally supplement the content based on … Read more
When the PCB returns to the red horizontal line above, it marks the true start of the market trend. The return process is also the process of a second pullback. Will the second pullback bottom out at 3220 points or 3180? It depends on where the PCB lands when it returns to the red horizontal … Read more
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Someone is using the STM32G4 internal SPI configured as a slave full-duplex mode, using DMA for receiving. When the DMA is configured to CIRCULAR mode, problems occur where data transmission results in CRC verification failures and reception anomalies. If the DMA transfer mode is configured to NORMAL, there are no issues, and the received data … Read more
Today it’s raining and I don’t want to go to work, so I’m recording a video to share. var __INLINE_SCRIPT__ = (function () { 'use strict'; function _arrayLikeToArray$1(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] … Read more