1. Introduction to MM32 UART
Any UART bidirectional communication requires at least two pins: receive data input (RX) and transmit data output (TX).RX: receive data serial input. Data is recovered by ...
[align=left]Everyone has played with sand in their childhood, but the new generation of children can not only play with sand, but also race in the sand castles they built themselves (through 3D scanni...
What is the effect of the various capacitances of mosfet, ciss, coss, crss, coer, cotr, on the device parameters (static, dynamic)? Are there any parameters that can be calculated using the capacitanc...
About Wi-Fi operation:1. Turn on Wi-Fi2. Turn off Wi-Fi3. Get the WiFi network card status
Add three buttons to activity_main.xml
public class MainActivity extends ActionBarActivity
{@Overrideprotecte...
[size=4]The circuit is shown in the figure below. The circuit consists of three parts: rectifier filter capacitor, high-frequency oscillation circuit and output load circuit. [/size] [size=4] [/size] ...
1 Introduction to SHT11
SHT11 is a digital temperature and humidity sensor
chip
launched by Swiss company Scnsirion
. This chip is widely used in HVAC, automobile, consumer electro...[Details]
According to foreign media Fast Company, Apple is designing this part on its own because it is dissatisfied with Qualcomm's design for the 5G iPhone antenna. Fast Company cited a source familiar wi...[Details]
Abstract: The smart home monitoring and control system uses nRF905 to form a wireless network, connecting each unit and the main control unit for unified control, realizing home security control, amb...[Details]
Today, Samsung officially released its 5G mobile device processor - Exynos980. An industry insider revealed a big news, that is, this processor has won the favor of the four major Chinese mobile phon...[Details]
The synchronous motor is an AC motor, and its stator winding is the same as that of the asynchronous motor. Its rotor rotation speed is the same as the speed of the rotating magnetic field generate...[Details]
Recently I looked at the configuration of ARM's external interrupts. The specific configuration is as follows:
1) Enable the port clock;
2) Configure the required port as an input port. The specifi...[Details]
On August 13, Ni Fei, president of ZTE's terminal business unit, announced that ZTE will launch the under-screen camera technology for the first time, and the first model will be the ZTE A20 5...[Details]
2020 was a year of ups and downs for China's semiconductor industry. The epidemic, international relations, and economic conditions have brought multiple challenges to the semiconductor industry, of ...[Details]
In tire processing and production, Mooney viscometer is usually used as a quick test method to detect the processability of raw rubber and mixed rubber. However, is it comprehensive to use a Mooney vi...[Details]
1. Oscilloscope probe 1.1. Probe selection 1.2. Ground Ring (required) 1.3. Why not choose an active probe? 2. Oscilloscope settings Note: The 20MHz bandwidth limit is clearly defined in GB/T...[Details]
Agilent DSO-X 2002A Oscilloscope Self-Test and Self-Calibration First power on the machine 1. Press Utility-Service-Diagnostics-Hardware Self-Test-Front Panel Self-Test 2. Press Utility-Service...[Details]
At present, most domestic power companies have several heterogeneous power information systems. Each system is independent of each other and has strong independence and "autonomy", but resources canno...[Details]
Roland Berger's Automotive Industry Disruption Data Probe is published twice a year, tracking 26 automotive industry disruption indicators. Now, with the report covering 23 countries, the tenth issue...[Details]
The most basic chopper circuit is shown in Figure 1. The chopper load is R. When the switch S is closed, uo=uR=Ud, and it lasts for t1 time. When the switch is turned off, uo=uR=0, and it lasts for t...[Details]
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