Problem description Hardware environment: Android platform + CDMA modem; Operation steps: First set APN to uniwap, then dial ATD # 777, and then start PPP negotiation; Related settings: Contents in pa...
Optocouplers are small in size, long in service life, wide in operating temperature range, strong in anti-interference performance, contactless, and completely electrically isolated from input and out...
[img]3[/img]This board has 8 opto-isolated inputs, 7 small relay outputs, I2C memory, 2 AD inputs, 7-bit digital tube display (can be connected to a 128*64 LCD display), 1 buzzer, and can be connected...
In order to ensure the running speed of DSP, the external memory needs to have a certain speed, otherwise the DSP needs to add a waiting cycle when accessing the external memory.1) For C2000 series: C...
How can I simulate the signal receiving process of the 125KHZ card reader/writer module circuit? The circuit is shown in the figure below. Is there a simulation signal source to add signal to the ante...
2014-9-13 This week's progress is OK. The software framework has been built. The design is as follows: Use the concept of scheduler to design the system, establish 4 tasks, and arrange the execution o...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[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]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]