-
The internal structure of the 8051 series microcontroller can be divided into CPU, memory, parallel port, serial port, timer/counter and interrupt logic, as shown in the figure. processor Microproc...[Details]
-
A spectrum analyzer is an instrument used to display the amplitude of a signal in the frequency domain. Known as the "RF multimeter" in the RF field, spectrum analyzers are widely used for general sp...[Details]
-
Current series negative feedback circuit and identification method
Negative feedback
Amplifier circuit
The circuit is shown in Figure 7.8. The judgment of the ...[Details]
-
Use the P1 port of 89C51 to monitor a certain key switch, so that each time the key is pressed, a positive pulse (with any pulse width) is output. Write an assembly language program. Solution: ORG 01...[Details]
-
At the end of January, a piece of news went viral on my WeChat Moments. The article mainly talked about how Pingtou Ge completed Android 10's support for RISC-V chips and open-sourced all the relevan...[Details]
-
On January 13, 2010, Premier Wen Jiabao presided over the State Council Executive Meeting to deploy the long-term development plan of the information industry, that is, from 2010 to 2012, th...[Details]
-
Preface HEMS and BEMS*1 energy management systems are currently under development. They are systems used to manage the operation of equipment and devices in buildings, with the goal of reducing ener...[Details]
-
The observation, forecast and research of negative air ion detectors are mainly used in environmental meteorology, ecological meteorology, tourism meteorology and other disciplines. Through the estab...[Details]
-
LabVIEW provides six different choices for the mechanical action of a button control, which can be found by right-clicking the button and selecting Mechanical Action. These different choices result in...[Details]
-
Household photovoltaics are booming. Since 2013, China's household photovoltaics have experienced rapid development from the beginning to a blowout. According to the figures given by the China Phot...[Details]
-
Step 1. Select m and fr and calculate Mfr
Using Equation 2, the resonant gain Mfr at the resonant frequency fr can be obtained as follows:
Formula 3
In the above formul...[Details]
-
The microcontroller has experienced phenomena such as "crash" and "program runaway". This is mainly caused by the unreliable design of the reset circuit of the microcontroller. Figure 1 is an example...[Details]
-
Wristcam is an Apple Watch band equipped with front and back cameras. It has finally been launched after nearly four years of development. Wristcam has an 8-megapixel camera that can shoot 1080...[Details]
-
//Mistake: In 51, RW (L command, H data) is directly soldered to ground //∴ lcd_enable() is missing; this function {lcdrs = 0; lcdrw = 0; lcden = 0; delay(5); lcden = 1;} //Without this function set...[Details]
-
The main programming language of ABB industrial robots is RAPID (Robot Application Programming Interface for Development), which is a high-level programming language designed specifically for indus...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD