IVD in vitro diagnostics + medical beauty products
Today, there are a wide variety of products - vital signs monitors, respiration, ECG, continuous blood pressure monitoring, blood oxygen, body temper...
I just started to work with drivers under Windows, and I downloaded an open source program from the Internet. This is a small program written with VC6.0 + 2000DDK. After I configured the same environm...
I finally got the soft keyboard to show up at the power-on password http://topic.eeworld.net/u/20090216/18/ce27d491-4d21-4232-8e2d-aad73a1888f9.html?seed=245338982 But after booting up, the software d...
I am going to make a FIR filter with configurable coefficients recently. How to implement such a filter? Do I need to set a RAM to store the coefficients? And how to implement the multiplication in th...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]
I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]