As shown in the figure, there are 4 4-20mA signals from the transmitter , which are connected in series with 4 250R sampling resistors , and then sent to the 4 input channels of the single-ended input...
Based on μC/OS2II real-time operating system, the multi-task management operation mode is realized, and Nios II 32-bit processor is used as the core of LED display screen control system to control the...
When TI first released processors with ARM cores through its DSP department, the product family was named DaVinci. When TI released high-performance ARM processors through its DSP department, the prod...
//******Check busy****/// void busy() { p_di=0; p_rw=1; while(1) { p_e=1; if(Data<0x80)break; p_e=0; } p_e=0; } This is a reference code for MCU, #define Data P0 The reference code defines the PO port...
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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
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