This book is triggered from the perspective of measurement and control engineering application, and comprehensively explains various methods of developing measurement and control programs with VB. The...
The FR573X series this time has some minor changes to the previous MSP430F2XX version. I took a look at the module diagram in the chip today and found several minor changes. 1. There is an additional ...
Which of the following two phase-sensitive detection circuits is more ideal and has better performance? For the convenience of analysis, we assume that the components are ideal components....
I have just started working on GPRS communication, so my programming ideas are limited! Please help me! When sending AT commands with a single-chip microcomputer, you always have to wait for several M...
The essence of the train model light is to input 12V DC, the positive and negative poles will switch (can be regarded as AC), and pass through the small thing in the middle like a rectifier bridge to ...
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices t...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
Preface
In the application of PLL, DLL and CDR circuits, people generally require the output clock signal to have a 50% duty cycle so that data can be sampled at both the rising and fallin...[Details]
PSoC is a programmable system-on-chip produced by Cypress Semiconductor with an 8-bit MCU core and a digital and analog mixed signal array. PSoC integrates three programmable capabilities into one....[Details]
As modern cities develop towards multi-functionality, urban layouts become increasingly complex, with hundreds, even thousands of ground monitoring points. To ensure that functional departments can...[Details]
0 Introduction
With the release of the "Elevator Supervision and Inspection Regulations", new requirements have been put forward for the inspection quality of elevators by inspection agenc...[Details]
0 Introduction
With the rapid development of modern science and technology and the progress of society, service robots are becoming more and more closely connected with people's lives,...[Details]
O Introduction
Semiconductor laser (LD) is a solid light source. It has been widely used due to its advantages such as good monochromaticity, small size, light weight, low price and low po...[Details]
With the popularity of Apple iPhone and Nintendo Wii game consoles, accelerometers have been widely used in consumer electronic devices. For example, drop protection in notebooks, automatic screen ...[Details]