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Dear seniors, the picture above is a description from the book Hello Amplifier by Professor Yang of Jiaotong University, but I don't quite understand the relationship among RT, RG and RS, and why the ...
This article introduces how to use the UART1 interface of the RVB2601 development board to receive temperature and humidity data from an external module and display it on an OLED.
1. Hardware design
T...
This book is divided into two parts: radar main components and measurement methods. The former includes radar transmitters, radar receivers and radar terminals. The book explains their composition, wo...
Designers implement current sensing for system protection and monitoring by placing a very small "shunt" resistor in series with the load and a current sense amplifier or op amp between the two. While...
The requirements are as follows:1. The IO port can directly drive the buzzer and motor;2. Only 7 IO ports are required;
3. About 5x5mm;4. Common programming methods. Sorryfor the inconvenience.I found...
Today I am testing STM32H743, mainly testing the reception of UART3 serial port, referring to ST company's routine material "UART communication on STM32 Microcontrollers using HAL" [code] /* USER CODE...
Serial Interface HD7279 uses serial communication with microprocessor. Serial data is sent to the chip from DATA pin and synchronized by CLK. When the chip select signal becomes low level, the data...[Details]
Before understanding CAN network, let’s first understand one question: What are smart hardware and ECU ? What is intelligent hardware? It is hardware that contains an intelligent control unit. For ...[Details]
1 Simple switching power supply
The simplified switching power supply circuit composed of TEA1520 series is shown in Figure 1.
Figure 1 Circuit of a simple switching p...[Details]
"Our customers now have two main pain points, namely company capital expenditures and operating expenses. Capital expenditures, or CAPEX, mainly include the construction of company infrastructure, e...[Details]
A 4*4 keyboard is connected to the IOs P4.0, P2.0--P2.6 of the microcontroller. Here P4.0 is the lowest bit and P2.6 is the highest bit. It would be easy to operate if a button was connected to t...[Details]
introduction
Maxim serializers can connect to and control camera ICs. These devices include the MAX9257 (with a half-duplex UART/I²C control channel), the MAX9259, and the MAX9263 (both with a...[Details]
The continued growth of power electronics applications in our homes, offices, and vehicles is driving the trend toward new materials and more efficient power components. High-power, high-temperatur...[Details]
❈This article will discuss the signal integration and challenges faced by hardware engineers when designing or debugging connections running at speeds up to several Gb/s. Whether working on the next ...[Details]
On February 6, Wang Yongfeng, Chairman of China Construction Fifth Engineering Bureau South China Company, Liu Shaoyong, Deputy General Manager, and Chen Qiang, Deputy General Manager of China Cons...[Details]
First, let's take a look at my board (s3c2440) It can be seen that to make the LED tube light up, just set nLED1 to a low level, that is, set the corresponding GPIO pin to a low level. From the a...[Details]
First of all, the FlashSize address given in the manual is wrong. The correct address should be 0x1FFF7A20, with the upper 16 bits. To be exact, it should be (0x1FFF7A23, 0x1FFF7A22 two bytes). The 9...[Details]
The following is what I learned about the stack when studying ARM instructions:
1. Register R13 is often used as a stack pointer in ARM instructions
2. For the R13 register, it corresponds to 6 di...[Details]
At the 2019 Apple conference, the new iPhone's starting price was rarely lowered. Recently, Japanese media also analyzed it, believing that Apple's move was an attempt to regain its dominant position...[Details]
With the improvement of domestic flow battery production capacity, the demand for flow battery electrode carbon felt market is also gradually increasing. Carbon felt is very important in the battery s...[Details]