[size=4][color=#252525]Op amp negative feedback circuit[/color][color=#252525]1: Voltage series negative feedback, after the circuit introduces voltage series negative feedback, once the circuit is de...
It has been more than a month since I started to get in touch with DSP on August 1, 2006. It is not easy to go from debugging and getting familiar with DSP on my own development board to designing DSP...
DDR SDRAM needs to cross clock domains when reading data, but not when writing data. How can this be explained? Because when writing data, both the data and the accompanying clock are sent by the FPGA...
I can't find how to read and write SFR directly through the address of SFR. For example, I get an address of 0x80, which is the address of an SFR. How can I write a byte to this address or read the co...
Now there is a computer communicating with an embedded device over the network, using twisted pair cables. The embedded device is equipped with an operating system. The problem now is that the embedde...
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
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]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[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]
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]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
On May 8,
Google
I/O 2018 Developer Conference was held as scheduled in Mountain View, California. In the second year of the full promotion of the "AI first" strategy, artificial intelligen...[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]
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]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
Analogue and Mixed Signal
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