A new method of using whiskers to identify the surface contour of an object is proposed. The sensor uses a two-dimensional PSD as a sensitive element to measure in real time the tiny displacement caus...
According to the report "Ultra-Wideband Market Analysis 2021" by market analysis agency Techno Systems Research, the UWB market we often discuss today consists of four main application categories: rea...
To realize a low-cost and small-volume analog phase-locked amplifier, the THz signal generated by the differential probe in TDS is collected. The core device AD630 (balanced modem) is used for phase-l...
I made a keyboard with a single-chip computer. When the industrial computer is started, I cannot enter the BIOS by pressing DEL. After starting, the keyboard is normal and the DEL key can be detected....
After some tinkering by soso, a moderator assessment system has been developed. The original intention is not to embarrass everyone, but just to give everyone a reference. At the same time, please hel...
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
1. Purpose Since the number of times the STM32 FLASH can be erased and written is limited, in order to protect our FLASH and extend the use time of the MCU, we can debug on the SRAM. SRAM is a ...[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]
After we understand the use of libopencm3, we find that libopencm3 is only suitable for small projects. Its biggest feature is the convenience of USB. So when we configure large projects, is there a ...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
In the Chinese automobile market, the trend of new energy vehicles and driverless cars is leading the transformation of China's automobile industry. As the world's largest automobile market, "Chinese...[Details]
Autonomous driving
and
5G
are the two hot topics that global companies and media are paying the most attention to, and the combination of the two is the focus of everyone's attention....[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
Temperature, humidity and irradiance are must-measure items in the photovoltaic industry. However, most of the current data collection is done by storing data in USB flash drives for offline analys...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]
China Energy Storage Network News:
"As the world's first third-generation blockchain, Anda Chain, which has China's independent intellectual property rights, will be launched globally in the ...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]