Today I soldered 2 LED boards and used KW41Z to make a marquee program. When I started debugging, 8 LEDs showed problems. I suspect it's the 74HC595D I bought this time (I bought it on Taobao for 0.11...
A beginner would like to ask an expert a question: What is the difference between the external interrupt (RB0) port and the normal I/O port (RB1)? The external interrupt (RB0) gives a low level trigge...
Let me first ask a very simple question. Is C++ or VC++ the language supported under EVC? What issues are involved in developing such an application under WINCE? Does it involve platform conversion an...
1. Lightning protection of front-end equipment Front-end equipment can be installed outdoors or indoors. Equipment installed indoors is generally not subject to direct lightning strikes, but it is nec...
[color=#333333][font=Arial][size=12px][size=9pt]16[/size][size=9pt], in high-speed multi-layer[/size][url=http://www.51chaoban.com/Tech/][size=9pt][b]What is the most important issue to pay attention ...
The 2014 TI MSP430 Technology Seminar is now open for registration! This event covers 8 major cities across the country, and strongly recommends the MSP430's most popular ultra-low power microcontroll...
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
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
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]
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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[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]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[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 installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[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]