Design of high-precision semiconductor laser drive power supply and temperature control circuit: In order to solve the problem that the output power and wavelength of the semiconductor laser light sou...
LM3S3739 JTAG port lock problem, tried all the methods found on the Internet but none of them worked, I only have JLINK V8, SEGGER is V4.15W. I changed a new film and can see the device, one is to unl...
I have been busy lately and will be on a business trip next week, so the update is a bit slow. Microbit's current progress: [list=1] [*]PCB is being made[*]Components have been purchased[*]Should be r...
Today I found a magical phenomenon. When I powered on the CYCLONE IV I had programmed, all the IO outputs were around 1.5V, and the program obviously did not run. However, when I plugged in and unplug...
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[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]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
1 Introduction Due to the special working environment of coal mine production, the production process is more dangerous and unsafe than the general industry. With the continuous increase in c...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
The adoption of vehicle tracking systems for cars and fleets is increasing. Modern trackers have reduced form factors and increased functionality to support active data transmission for real-time tra...[Details]
Every era has anxiety that has nowhere to go. Let's follow the embedded editor to learn about the relevant content.
The anxiety of the post-Internet era is that if you don’t revolutionize ...[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]
The ZTE incident has aroused people's concerns about the future of Chinese chips, and they have been using WeChat and Weibo to express their views; the Chinese display industry is also worried abou...[Details]
According to TechRadar, given rumors that
Google
is developing a Pixel Watch
,
the
recently renamed Wear OS
smartwatch
operating system may soon be able to show its full cap...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[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]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
environment: Host: XP Development environment: MDK4.23 MCU:STM32F103CBT6 illustrate: Collect AD through pins PA1 and PA2. Collect AD 10 times for each channel. #include "ad_driver.h" //Global ...[Details]
Test/Measurement
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