I have an NXP p89LPC9221 chip, which is used to control the 7-segment digital tube display and is programmed using the ICP port. I now set p0.0, p0.1, and p0.2 to open-drain output; P0M1 |= 0x07; P0M2...
[i=s] Last edited by s364147694 on 2014-4-7 14:15 [/i] The time for one ADC sampling conversion is sampling time + conversion time, the formula is = (4 x ADC12CLK x N) + (13 xADC12CLK/Fadc12clk)) But ...
I need help from kind people. I need the C program and simulation diagram for the 51 single-chip microcomputer to realize the 4-bit common cathode digital tube digital temperature upper and lower limi...
As shown below, EBOOT has scheduled NK to the memory and has jumped to NK for execution. 0x0101 func 35 OEMIoControl: Unsupported Code 0x101008c - device 0x0101 func 35 0x0 ... FMD::FMD_Init FMD::FMD_...
I want to learn microcontrollers and I am ready to buy equipment. Can you recommend some good things? I want to buy a multifunctional programmer, but I don't know what kind of programmers are there? C...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]