As the title says, for example, Huawei's EM660 is CDMA2000 and Unicore's LC5730 is TD-SCDMA/GSM dual-mode. What command can be used to read it out? Can anyone passing by take a look? . . ....
[size=4] Thermometer and humidity meter DH11 is very common. Although the accuracy is not high, it can still be used in daily life where the temperature and humidity requirements are not high. I found...
WINCE 5.0 + Samsung S3C2450 platform uses 24-bit LCD, and S3C2450 LCD controller supports 16-bit, 24-bit, 32-bit, etc. Therefore, there are the following requirements: The upper application can set th...
[size=5]I downloaded the STM32F205 program from waveshare, copied the example to the desktop, and opened it with keil5. I found that the following three header files had exclamation marks , and when c...
[size=3]1. The important task of the post-80s generation is to create the post-08 generation. [/size] [size=3]2. Facts have proved that feelings can withstand the wind and rain, but cannot withstand d...
The user's guide says thatAfter a PUC, MCLK and SMCLK are sourced from DCOCLK at ~1.1 MHz (seethe device-specific data sheet for parameters) and ACLK is sourced fromLFXT1CLK in LF mode with an interna...
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]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[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]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
Embedded System
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