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.
/***********************************************Program ...
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...
The answer uses current series negative feedback. The answer is compiled from the postgraduate entrance examination materials.
I have a few questions
1. The load is a 50Ω output resistor. Shouldn't vo...
[i=s]This post was last edited by littleshrimp on 2022-5-25 17:03[/i]This time we are going to dismantle the display screens of two Audi cars. One is a 5.8-inch display screen produced by Alpine that ...
FCC Part 15 technical regulations set out requirements for all radio frequency devices. These requirements include limits for radiated and/or conducted emissions and basic measurement methods. Thi...[Details]
At around 11 a.m. today (October 21), a fire suddenly broke out at TSMC's South Science Park in Tainan City, Taiwan Province. The construction sponge of the recycled water plant under construction ca...[Details]
Speaking of Samsung's new flagship smartphone in the first half of 2021, current rumors say it may be called Galaxy S21 or Galaxy S30. In terms of product strength, there are two points of view on th...[Details]
Example 1. Fault phenomenon: The remote control of the car anti-theft alarm does not work. When the function buttons of the remote control are pressed, the red LED indicator of the remote control d...[Details]
When the orifice flowmeter is measured on site, the measurement results often have large errors due to some objective factors. The following are the main measures to ensure the measurement accuracy of...[Details]
introduction
Applications that require a microcontroller also often require some mechanism to preserve settings even when power is lost. For example, a radio that loses its previous station se...[Details]
Preface This article records how the memory controller accesses SDRAM Test procedure: If the SDRAM can be successfully accessed, light the LED 1. Mind map 2. Code key code init.c (example): #i...[Details]
Neural networks can learn to solve a wide variety of problems, from identifying cats in photos to driving self-driving cars. But it’s still unknown whether these powerful pattern recognition algorith...[Details]
On the afternoon of May 24, Tmall Genie held an acoustic communication meeting and revealed that it has reached an in-depth cooperation with Boston Acoustics, the world's top acoustics organization...[Details]
With the development of science, GPS is no longer a strange term. GPS played a great role in the Gulf War and left a deep impression on people. GPS is a satellite-based wireless navigation system deve...[Details]
Strategy Analytics said Samsung accounted for almost half of the $11.4 billion smartphone memory market in the first quarter of 2021. According to SA's report, Samsung topped the smartphone memory ...[Details]
Today I started to learn microcontrollers again. After installing Keil software, I installed the driver for the USB connection development board. To learn microcontrollers, you should have a developme...[Details]
At present, considering factors such as volume and cost, most AC/DC converter input rectification and filtering adopt capacitor input filtering. The circuit principle is shown in Figure 1. Since t...[Details]
The all-vanadium liquid flow energy storage battery production project is one of the key projects newly started in Dunhua City in 2024. Since the start of construction of the project, the construction...[Details]
Microcontroller MCU
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