USB200

1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]

background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware.  STM32F...[Details]

Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]

Since the second half of 2017, the market share of quantum dot displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]

In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]

    With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]

Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]

    The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]

车辆跟踪系统 非常适合监视一辆汽车或整个车队。跟踪系统由自动跟踪硬件和用于收集数据(如果需要的话，还有数据传输)的软件组成。2015年，全球车队管理市场的规模为80亿美元，预计到2022年将超过220亿美元，从2016年到2023年，年复合增长率将超过20%(数据来源：Global Market Insights)。拉美、中东和非洲对商用车辆的需求在上升，这对 车辆跟踪系统 而言也是一种潜在的...[Details]

Since the 20th century, our data storage has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor storage chips that can store data in coun...[Details]

In recent years, in addition to Huawei Kirin chips in the mobile phone industry , Xiaomi's own processor Pengpai S1, AI chip start-ups such as Cambrian, Horizon, and Deephi Technolo...[Details]

    //Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication.     //Switch the LED indicator enable switch of the PB po...[Details]

According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]

The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]

1. What is PWM      What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]