[b][font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]I did a question about controlling the CAN bus with the MSP430F149 microcontroller. I wrote a test program for I/O port flipping, which can be...
After installing keil5.11 , there is no model to choose in the chip selection , press packs to pop up this , after pressing check for updates, it still can't find the stm32f103 and 407 chips, a novice...
There is a vulnerability in Z-stack that can allocate all the address space of the coordinator. By using a node, after completing a scan, calling NLME_ReJoinRequestUnsecure can cause the coordinator t...
[size=3]The McBSP interface of VC5509A can be configured in 4-wire SPI mode, so it can communicate directly with ADXL345. The DSP motherboard SDUST VC5509A V1.1 made in the laboratory is still used. T...
Lightning and surge voltage and current have extremely high amplitudes and current characteristics similar to those of current sources with extremely high internal resistance. All protective measures ...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]