This is my first time to use CAN bus. Recently, I need to send and receive data through CAN bus. When I use microcontroller to send ID=0x401, I check the waveform and find that the actual data sent is...
Knowledge point 1: pointer
1. Pointer: The first number of the variable's storage space in memory is called the address of the variable, also called a pointer.
Pointer variable: It is used to store a ...
There are two main issues here:
1) How are the 2Ω of R150 and the 300Ω of R151 calculated? Or is it an empirical value? Is the 300Ω just used for current limiting of the voltage regulator BZX84-B13?
2...
Traditional fieldbus networks generally use wired media as transmission media. Wired transmission media make the location of communication equipment relatively fixed. Some special industrial field env...
Recruitment position: Technical support engineer
Demand department: Technology Development Department ( 2 people)6K~10K yuan / month
Job Responsibilities:Participate in or lead new product development...
Goldman Sachs pointed out in a report that the semiconductor equipment market will improve and the demand for equipment in the memory industry will increase significantly starting next year (2020). ...[Details]
1 Introduction
The popularization of centralized heating and the implementation of metered heating are effective means of building energy conservation, but this needs to be achieved through...[Details]
1. Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
Keysight's predecessor was Agilent, and now Keysight. Keysight's "shi" means sundial in oracle bone script, which is an instrument for measuring time in ancient times. At the same time, "shi" also me...[Details]
The automotive industry is facing a global chip crisis. According to German newspaper Auto Weekly, Volkswagen is considering asking for damages from its suppliers Bosch and Continental due to a sho...[Details]
LED
is a solid-state
semiconductor
light source
based on the principle of electroluminescence
. It has many advantages such as rich colors, small size, high
brightness
, long life, low...[Details]
1. The clock cycle is 12 times the machine cycle, and the machine cycle is the reciprocal of the crystal frequency. 2.51 MCU 1 machine cycle = 12 clock cycles, the frequency is 12MHZ, then one mach...[Details]
1 Introduction
To solve the system-level design problem, we must first solve the system and function description problem. The competition for system-level design languages is in full swing. ...[Details]
at89c2051 microcontroller, crystal oscillator 11.096MHZ, communication rate 9600, TCP multi-connection mode, local connection address 192.168.1.107, data sending and receiving successfully The asse...[Details]
This article played an important role in my U-Boot porting, explaining the modifications that need to be made to U-Boot to boot from NAND Flash, but its approach is not completely correct (just my pe...[Details]
On the evening of January 1, Xiaomi officially announced that Lei Jun became the spokesperson for Xiaomi 11. In the New Year live broadcast, Lei Jun, founder, chairman and CEO of Xiaomi, said that...[Details]
Abbreviations:
BFM: Bus Function Module. In HDL hardware language simulation, BFM completes the conversion between abstract description data and specific timing signals.
PLI: Verilog Progra...[Details]
Hardness Tester Indenter Introduction
Indentation is the deformation caused by the indenter (or needle) pressing into the surface of the specimen due to the test force.
Indenter: The part o...[Details]
Qualcomm 7, the "full attendance" at the CIIE, attended the CIIE, showing a new chapter in intelligent computing and ecological cooperation
On November 5, the 7th China International I...[Details]