Author: Joshua Zhu, ST engineerClick to download pdf document to view:Keywords: BlueNRG-MS, center frequencyQuestion: When developing products using BlueNRG-MS, customers often ask: Why is the output ...
[i=s]This post was last edited by cruelfox on 2019-5-25 17:12[/i] The analysis in my previous post has already hinted that IPCC hardware IRQ is related to BLE communication. IPCC is one of the communi...
This content is originally created by EEWORLD forum user Qi IC Kan MCU . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source
The Powe...
Some car power products were inexplicably shut down during production, but this phenomenon did not occur after the CAN box was plugged in. I tried adding a 2K resistor between the CANH and CANL signal...
notes:Here we want to make a project for the medical ventilator +STONE touch screen +STM32. In this project, we can choose the language and function, and draw the respiratory waveform by the way of ra...
Introduction to time slice polling ideas: The time slice polling method is mentioned in many books, and it often appears together with the operating system, that is, it is often used in the operating...[Details]
1-2-4. Calculation of energy storage filter capacitor of series switching power supply We also start from the critical continuous current state of the current flowing through the energy storage induc...[Details]
The UART of s3c2440 is similar to that of stm32 and 51. But I still write about it. It is just my own summary. (This article only covers the basic situation of UART. As for the program, it only has t...[Details]
This article uses a more witty language to make a unique analysis of some issues that are not taken seriously in the use of oscilloscopes. It is also an alternative article to explore new ideas. I hop...[Details]
Sina Digital News reported on the morning of August 21 that Apple conducted a live broadcast test on YouTube today. The test showed that in addition to the date of September 10, this made peop...[Details]
Orifice flowmeter, also known as differential pressure flowmeter, is composed of a primary detection device (throttling device) and a secondary device (differential pressure transmitter and flow disp...[Details]
The Shanghai Auto Show has kicked off, and intelligent connected elements have become an important selling point for various automakers. At this year's auto show, new car manufacturers vigorously pro...[Details]
For microcontrollers without internal ROM or when the program is long and the internal ROM capacity is insufficient, users must expand the program memory outside the microcontroller. The MCS-51 micro...[Details]
With the development of automation and intelligence of measurement and control systems, sensors and instruments are required to be more accurate, more reliable, and have certain data processing capabi...[Details]
With the rapid development of automotive electronic technology, automotive systems have become more complex, and electronic devices are being used more and more widely in automobiles. However, thes...[Details]
introduction Since the inverter transfer function is difficult to obtain and the voltage output often fluctuates, traditional pure PID control is difficult to achieve fast and stable response. The c...[Details]
Since Realme announced its entry into the domestic market, "Dare to Leap" has always been their strongest slogan, and we can see from their products that this is indeed the case. However, since Realm...[Details]
Xiaomi has previously launched the folding phone MIX Fold. Now it seems that the company is also interested in the currently popular flip-folding phones. The company has applied for a device pa...[Details]
I: Introduction
I have been porting minigui in recent days. I have never used the minigui interface before. I want to see what the effect is and learn it by the way. After all, it is made in Ch...[Details]