Now I want to set two directories or partitions on the EMMC card (storage card soldered on PCB) or T card. When one is connected to PC, it is visible on PC; when the other is connected to PC, it is in...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:34 [/i] My English foundation is poor, and I urgently need to translate articles on electronics into English for my graduation project. I hop...
The current CPU frequency is 72M, Fpclk = 36M #define BITRATE10K72MHZ 0x0015018F #define BITRATE100K72MHZ 0x00150027 #define BITRATE125K72MHZ 0x0015001F #define BITRATE250K72MHZ 0x0015000F #define BIT...
I would like to ask you guys, when using the MSP430F415 microcontroller, a few questions. The MSP430F415 microcontroller has its own clock oscillator. If there is no external crystal oscillator, can t...
How to know the length of received data in lwip? If the sent data ends with 01 02 03 04 00 00 00 00, it seems that the real data length cannot be calculated using the pointer in pbuf (the unupdated da...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
The Challenge:
Develop a communications-flexible portable measurement device that can record
high-frequency transients
in power systems
and display the data online to multiple users...[Details]