Nowadays, our mobile phones, cars or navigation devices all use navigation antennas. Among them, GPS ceramic antennas are widely used due to their advantages such as fast satellite reception speed, hi...
uchar temp = 0; int ii; uchar tt,tt2; uchar a = 0, b = 0, c = 0; float f = 123.456; ii=653; a = f; f = f - a; f = f * 1000; b = (uchar)f; _nop_(); b = (uchar)((uchar)f / 100); //??? b=0xC8=200 ??? Why...
Quartus 2 will automatically close the software when opening a project, and the same problem will occur when creating a new project. However, it can open .V files. What is the reason? Please give me s...
A relative of mine runs a shop. He wants to make the garage shutter door into an automatic card swiping control, and designs a single-chip microcomputer control. It involves a photoelectric switch // ...
I want to write a function to operate the sqlce database in wince in my computer, but the system path is always wrong. How can I realize the computer's access to the sqlce database in wince? Thank you...
[i=s]This post was last edited by Digital Leaf on 2021-11-21 13:31[/i]Topmicro intelligent display module supports network function. The screen provides RJ45 network port, which can be connected via n...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[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]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
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 to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]