I use SAMSUNG 2440A as a navigation terminal, with a main frequency of 400M. The CPU is overheated, and the board and the case are very hot. Do you have any good ways to cool down the CPU? I am reliev...
Capacitors are commonly used electronic components in electronic equipment. The following is a brief introduction to the structure and characteristics of several commonly used capacitors for your refe...
When using stm32's CAN, do I need to modify the baud rate in addition to CAN_SJW, CAN_BS1, and CAN_BS2? I modified these three parameters in the following function, but it didn't work. . . . CAN1_Mode...
The fundamental difference between op amps and comparators⑴: The main difference between amplifiers and comparators is the closed-loop characteristics! Amplifiers (such as 4558 and 5532) mostly work i...
The feeding network of microstrip antennas is generally divided into two forms: parallel feeding and series feeding. The parallel feeding network is generally composed of a multi-stage simple one-to-t...
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[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]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
In recent years, network technology has developed rapidly, especially the rapid development of peer-to-peer networks, which has become one of the focuses of the industry. Related applications based on...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
Power socket boxes are installed in different locations in each room of the home for various electrical appliances. The nominal capacity is 10A and 16A, and the appearance is shown in Figure 1 (Fig...[Details]
White LED energy-saving lamps are now widely used in handheld devices (such as mobile phones) as backlights for color LCD screens and keyboard lights. Colored LED energy-saving lamps are good indic...[Details]
The switched reluctance power generation system consists of a doubly salient reluctance motor, a bidirectional power converter, a rotor position detector (or indirect position detector) and a contr...[Details]