【LPC54100】LPC54102 Let M4 transmit pulse output purpose: to output the liquid level (angle) percentage as a pulse with a frequency of 0~10000HZ //Frequency output P0. The output frequency of pin 19 oc...
[size=4]Many battery users are not aware that consumer-grade lithium-ion batteries cannot be charged below 0°C. Although the battery pack may appear to be charging normally, metallic lithium plating m...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:57[/i] I think it's quite insightful. Analysis of the 2009 pre-competition questions 1. Analysis Based on the list of basic instruments and m...
After getting the 811 development board from the forum, I played with it for a while. There was no problem running the program naked in IAR6.10, but it didn't work when I tried to port UCOS-II. I don'...
This chapter aims to help developers understand the startup process of Tuya SDK through a simple demo, and guide developers to perform secondary development of modules based on the SDK provided by Tuy...
Looking for a part-time job to send and receive short messages on a Dopod mobile phone, the server receives and parses short messages and sends short messages to the PDA. The PDA operating system is W...
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
Nowadays, video conferencing has become a situation where multiple manufacturers supply various high-definition products. The technology of high-definition products has greatly matured, the cost h...[Details]
Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
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