A function I wrote: This is the function to read data when the 12864 LCD draws dots static char st7920_read() { set_lcdr(RS); set_lcdr(RW); LCD_DATA = 0xff; //LCD_DATA is the eight-bit data interface ...
Comrades, please tell me what you think about the development trend of Zigbee. I always feel that the concept is very popular, but there are few successful products or projects. Maybe I am not well-in...
The B port of PIC16 is connected to the main chip. I don't understand how PIC16 obtains various data through the B port. It mainly interrupts the program inside! Please explain your understanding of t...
Acoustic echo cancellation (AEC) is a processing method adopted by the device to prevent the sound played by itself from being recorded by the ongoing recording. A typical application of echo cancella...
Today wangfucong asked about using CCS to download Hex files as follows,I have collected some information on this aspect before.MSP430JTAG Adapter can support JTAG and BSL download,Among them, MspFet....
What is CAN? CAN, the full name of which is "Controller Area Network", is one of the most widely used fieldbuses in the world. Initially, CAN was designed as a microcontroller communication in the aut...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
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