I use a CPU224 with 1 EM235, 1 EM231 4AI input, 4 EM231 RTDThe RTD light at the back is off.Can't CPU224 carry 7 modules? ?
How could this happen? ?...
I saw on the forum that STM8S has several problems, so the moderator suggested using an internal crystal oscillator. May I ask the moderator, if the clock source for STM8S is an active crystal oscilla...
For the current product design, some need touch buttons, and many MCUs have implemented touch functions. The following introduces the principle and implementation of MSP430 touch buttons. 1. The basic...
Outgoing LPC1114 board, unopened. 30 excluding shipping. As shown in the pictureThe remaining LCD screens, as shown in the picture, a total of 6, 25 yuan excluding shipping, as shown in the pictureIf ...
What does LTE B7 HDETlimit vs Freq measure in mobile phone testing? How is the HDET value derived? Does Qualcomm's maximum HDET value of 4095 refer to the maximum number of bytes that can be stored?...
I'm learning operating systems recently. Can you give me some experience? Because the course has just started, I'm not familiar with many things and I can't understand them well. I'll play with ylmf's...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[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]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]