At present, the commonly used RFID international standards are mainly ISO 11784 and 11785 for animal identification, ISO 10536 (Close coupled cards), ISO 15693 (Vicinity cards), ISO 14443 (Proximity c...
This optimization example comes from Damien's talk on pycomau, Efficient and Fast Programming with MicroPython. First, let's look at the following program, which flips the LED in a loop, and then calc...
NXP provides a comprehensive range of microcontroller and microprocessor products, which are widely used in industrial and consumer products. In industrial and consumer products, human-machine interfa...
[i=s]This post was last edited by Hot Ximixiu on 2021-5-21 07:38[/i]In view of the fact that many netizens have inquired about the problem of programming overload of Qinheng MCU CH55X, many friends ar...
After seeing @justd0's disassembly of the Delixi infrared thermometer -38~520℃ , which also used Fresnel lens, I felt that the thermometer I have is not that bad. I disassembled it once before, but be...
I need help from the senior elites. I use the NXP brand. The PCA9539PW (interface-I/O expander) chips are batch mounted on the machine and tested intact and shipped. A few months later, the end user r...
On March 4, Redmi Note 9 Pro appeared on the GeekBench benchmark website. The GeekBench website shows that the Redmi Note 9 Pro is equipped with 6GB of memory, a CPU clocked at 1.8GHz, runs...[Details]
According to foreign media reports, British Prime Minister Johnson plans to significantly reduce Huawei's participation in the UK's 5G network infrastructure to zero by 2023. However, Chinese Ambassa...[Details]
Signal source is one of the four common electronic measuring instruments, the other three are: network analyzer, spectrum analyzer and oscilloscope. This article introduces the basic knowledge of...[Details]
1 Introduction
With the increasing requirements of industrialization, the development of distributed systems and the need for communication between control equipment and monitoring equipment, m...[Details]
Tianyancha App shows that Tencent Technology (Shenzhen) Co., Ltd. recently applied to register the WECHAT CLOUD trademark. The international classification involves website services, communication se...[Details]
Stepper motors are very suitable for use in open-loop position control systems because of their low rotor inertia, high positioning accuracy, and no cumulative error. DC motors are commonly used ...[Details]
The Nand flash configuration of S5PV210 is similar to that of 2440 and 6410, but the difference is that S5PV210 has more powerful functions, especially the hardware ECC of S5PV210 (this article doe...[Details]
Microcontrollers (MCUs) are generally considered digital devices. By default, their output voltage levels are either high or low, not neutral. To achieve the requirement of LED brightness control, th...[Details]
Luo Chunlin Wang Jiajun
On November 18, 2014, the Southwest Branch of State Grid Corporation of China was established in Chengdu, Sichuan. Since its establishment, the Southwest Branch of Stat...[Details]
According to reports in April, JDI and the Taiwan-China alliance are planning to build an OLED panel factory in China. Earlier, JDI President Yoshiyuki Tsukizaki said at a press conference that JDI w...[Details]
Overview
As the level of automobile electrification increases, automobile maintenance becomes more and more complicated. High-tech maintenance equipment from many manufacturers at home and abr...[Details]
The storage resources within the microcontroller include RAM and on-chip ROM (FLASH).
Generally, the memory occupied by a program is divided into stack area, heap area, global area, constant area, an...[Details]
The previous section introduced the IO port output of STM32. In this section, we will introduce how to use the IO port of STM32 as input. Through the study of this section, you will understand how to ...[Details]
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); // Some hardware will automatically divide the frequency by eight, which will cause errors in the subsequent calculations CLK_HSICmd(ENABLE); //...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]
RF/Wirelessly
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