Why can't this delay function be used? ? ? The two LEDs do not flash alternately. . . . . [code]#include int main(void) { WDTCTL = WDTPW + WDTHOLD; P1DIR |= 0x41; void delay(int i) { int j; for(j=0;j ...
[color=#000][font=Arial, SimSun]When a sinusoidal signal passes through a reactive element, a phase shift will occur between the voltage and current. The book says that a 90-degree phase shift will oc...
[font=宋体]【Ask if you don't understand】[/font] [font=宋体]Now I want to measure the temperature of the MOS tube on the primary side of the single-ended flyback switching power supply in Figure 1 when it ...
① Throughout life, we should have a grateful heart, no matter they are parents or friends, colleagues or forum members, familiar or unfamiliar people... In the past year, in life, work or spirit, when...
When learning DSP development, I often feel that there are too many technical documents. Every book is useful and I want to read every book, but I don't know where to start. At this time, the principl...
[align=left]This is the Phoenix card writer I saw on the Internet. It is very simple, but it is all in English. The relevant programming software is not provided, but the general software ICPROG shoul...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]