As we all know, there are currently five recognized communication equipment giants in the world, namely Huawei, Nokia, Ericsson, ZTE and Samsung. These five giants basically monopolize the global comm...
MCU is 430F149, compile environment is IAR, main clock frequency is 800KHz, internal DCO. LED-P2.0, KEY1-P1.0, KEY2-P1.1. Tested and available.
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Engineering Applications of Random Signal Analysis : https://training.eeworld.com.cn/course/4242Random signals, also known as uncertain signals, refer to signals that cannot be expressed by a definite...
【Abstract】 In order to design a small-sized, simple-structured, low-cost ultra-wideband high-low frequency nested antenna (high frequency: 1 427-2 690 MHz, low frequency 690-960 MHz), this paper first...
From early June to November 2017, MSO 5 has been launched with a stunning temperament and appearance. From wider channel selection, more powerful functions, more fashionable touch screen, unprecedent...[Details]
According to the PDF document description, I didn't expect it to fail. The PDF description of the chip is so concise that I need to rely on guesswork to program. I looked through the official I2C, wh...[Details]
I have always written 51 in C before, so I wanted to experience the feeling of writing 51 in assembly. Therefore, I will start another series. I hope everyone will learn with me. If there are any sho...[Details]
The automotive semiconductor market is becoming one of the most promising semiconductor application markets. Especially driven by Tesla, the market penetration rate of new energy vehicles will contin...[Details]
Soon, the market will see electric vehicles that support charging and swapping and have upgradeable power battery architecture - electric vehicle products under SAIC Roewe's new R brand. On May 10,...[Details]
Due to actual project requirements, Qt needs to be compiled into LINUX-ARM version. The following is the entire operation process. The program written in Qt has been run on the actual development boa...[Details]
At today's press conference, in addition to releasing the new iMac equipped with the M1 chip, Apple also showcased a series of desktop computer accessories. Among these new accessories, the most eye-...[Details]
After the basic functions of the system clock generator are established, the SCG1, SCG0, CPUOFF, and OSCOFF bits of the CPU status register SR are important low-power control bits. As long as any i...[Details]
As for why electromagnetic flowmeters need linings, we should start with the principle of electromagnetic flowmeters. Electromagnetic flowmeters generally have a set of coils and two electrodes. The f...[Details]
With the development of industrial automation, intelligence and informatization, data exchange and communication between industrial equipment have become increasingly important. Efficient data inte...[Details]
Weebit Nano recently launched Weebit Resistive RAM (ReRAM), a non-volatile memory (NVM) that can replace flash memory. Compared with flash or other NVM, it has higher performance and better security,...[Details]
LPC2294 is a powerful, ultra-low power 32-bit microcontroller with ARM7TDMI core launched by PHILIPS. It has rich on-chip resources, which can fully meet the general industrial control needs. It can ...[Details]
According to news on December 25, Johny Srouji, Apple's senior vice president of hardware technology, and John Ternus, senior vice president of hardware engineering, recently accepted an interview wi...[Details]
Open drain output: The output terminal is equivalent to the collector of the transistor. A pull-up resistor is required to obtain a high level state. It is suitable for current-type driving and has a...[Details]
How to calculate the positive duty cycle of such a narrow pulse on the screen? We increase the horizontal time base to 200us/div and observe its two cycles. Since the pulse is too narrow, it is not...[Details]