Different from traditional door locks, smart door locks are locks that have been launched in the domestic market in recent years. They are more intelligent and simple in terms of user security, identi...
When installing Ubuntu or Debian, it is recommended to use EMMC storage as it has a large capacity. 1. Download the debian system and modify related configurations a. Download the system wget -c [url]...
CC13/26XX is TI's new generation of ultra-low power multi-protocol SOC processors that support Sub1G, 2.4G private protocols, BLE, Zigbee, RF4CE and 6LowPan.CC2640 is a BLE low-power Bluetooth chip, a...
Figure 1 is a schematic diagram of the internal structure of LL494. The combination of external RC timing elements RT, CT and the internal oscillator generates a fixed frequency linear sawtooth wave s...
A large number of special "industrial devices" are used in embedded Linux systems. Such as: D/A converters, A/D converters, inertial gyroscopes, magnetometers, accelerometers, pressure sensors, etc. L...
The following is the program of serial port 2. The reason why it was not called out yesterday was because there was a problem with the setting and clearing of the interrupt flag after the serial port ...[Details]
The TLC5941 chip is the latest product launched by TI (
Texas Instruments
), featuring dot correction and high grayscale (
PWM
control). All internal data registers, grayscale regis...[Details]
Android is open source, so why can Google ban Android? First of all, although Android is open source, it is not the result of the joint efforts of programmers around the world. Android should be cons...[Details]
How to test the motor with a DC resistance tester
The method of using a DC resistance tester to measure a motor is as follows:
1. Preparation: Make sure the motor is stopped, disconnect t...[Details]
With the further aging of the population, the working-age population is decreasing, and the labor costs in developed countries such as Europe, the United States, Japan and South Korea are risin...[Details]
Washington officially approved the arms sale to Taiwan on July 8, Eastern Time, and started the process of notifying Congress, which is expected to take effect in a month. This means that the United ...[Details]
What is the reason for the large fluctuation of mass flow meter? It is normal for the mass flow meter to fluctuate, which is related to many factors, such as whether the pressure in the pipeline ...[Details]
SMT adhesive is mainly used to fix components on printed circuit boards. It is generally distributed by dispensing or steel screen printing to keep the components in place on the printed circuit board...[Details]
The technological innovation of the intelligent manufacturing industry represented by robots is in the ascendant. Countries and regions around the world that are interested in developing this industr...[Details]
1 Introduction
With the continuous development of high-voltage and high-power power electronic devices, the driving power supplies connected in series often need to withstand extremely high wo...[Details]
1. Basic understanding of clock 1 The clock & power management module of s3c2410 consists of three parts: clock control, USB control, and power control. The focus now is clock control. 2. S3c2410...[Details]
The safe and reliable driving of power switch tubes is a problem that must be solved by power converters. Common IGBT driver modules include TLP250, M57962, and EXB841/840. However, due to the particu...[Details]
0 Introduction
Wireless Sensor Network (WSN) is a network composed of sensor nodes, which can monitor, sense and collect various information of the objects of interest to the observers in the node...[Details]
The power grid often interferes with or damages computers and precision instruments, mainly in the following aspects:
1. Power surges: refers to the output voltage effective value higher than t...[Details]
Security Electronics
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