When doing modbus485 communication, some parameters are stored in the 430 information segment. Now the parameters are written as other collected data. This happened twice, and both times they were wri...
Moderator, hello!Can I make the device generate different device names when enumerating it to the PC?I have made a card reader with STM32, using CCID protocol. There are three different slots on the c...
[size=4] The drive motor refers to an electrical device that converts electrical energy into mechanical energy to provide driving force for the vehicle. At the same time, the drive motor can also have...
I want to learn this and buy a few development boards! I am a beginner and want to buy a development board that I can use now and in the next few years. The price is about 1000 to 2000. 1. Does the LC...
When two coordinators are connected to the network at the same time, how do terminal nodes choose which local area network to connect to? Can terminal nodes be connected to the network formed by a cer...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]
AUTOSAR is a hierarchical architecture for automotive electronic embedded software jointly launched by global automotive OEMs and suppliers. The hierarchical architecture consists of a microcontrol...[Details]
1. Low temperature storage
Lithium-ion power batteries need to be fully charged before storage. They can be stored at 20°C for more than half a year, which shows that lithium-ion power batteri...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
With the development of power electronics technology and high-performance permanent magnet materials, the application of brushless DC motors has achieved rapid development in the fields of aerospace, ...[Details]
Automotive electronics are in a noisy environment
,
so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]