I recently prepared some things to take home. In order to prevent temporary office needs at home, I bought a 4G router from Dandelion online. I tried it out briefly. It is a dual-purpose router that c...
[i=s]This post was last edited by James199 on 2021-10-17 18:56[/i]At present, most combinations in the industry are Amazon's FreeRTOS + ARM. This time we will use Huawei Hongmeng to replace FreeRTOS a...
Some power control circuits use NMOS to control the negative output, cutting off the negative pole of the battery and the system's GND. What are the advantages and disadvantages of this compared to po...
Q format operations 1 Fixed-point addition and subtraction: must be converted to the same Q format for addition and subtraction 2 Fixed-point multiplication: multiplying data in different Q formats ...
[size=4]The following is a summary of using MSP430: [/size] [size=4]1. System clock problem: [/size] [size=4] The system uses DCO by default. When using an external high-speed crystal oscillator XT2, ...
With the rapid development of computers and communications, the requirements for probes in test and measurement are becoming higher and higher. The accuracy of probe signal reproduction, anti-inter...[Details]
When we develop applications, we often need to save some program running parameters, such as some correction coefficients. The characteristics of these data are: small in number and do not need...[Details]
Fault phenomenon:
A Maipu 1KVA online UPS power supply has normal bypass output after startup. Press the ON button to switch from bypass to inverter operation, but immediately jumps to...[Details]
Whether China and the United States can reach an agreement in trade negotiations has a bearing on the entire technology industry. The two-day China-US trade negotiations opened yesterday, but as th...[Details]
The detection system performs real-time recognition and processing of the input spatial transient optical radiation signal, inversely estimates the energy of the spatial transient signal and reports ...[Details]
"All they say is ideology, but all they care about is business." This sentence is the most accurate way to describe some mobile phone brands. After Apple stopped including chargers with watches ...[Details]
Considering the sampling speeds of currently available ADCs and the many different voltage and clock domains inside a typical ADC, it is generally recommended to separate the different power supply ...[Details]
This Tuesday, Apple CEO Cook appeared at the IAPP conference and focused on Apple's attitude towards issues such as privacy, security, tracking, and app sideloading.
Regarding sideloading appl...[Details]
Finally, the future and reality have reached a point of convergence. Ford has published a patent with a very sci-fi name: Chassis input intention prediction through brain-computer interface and drive...[Details]
The output impedance of the signal generator varies according to the type. Generally, there are 50Ω low-impedance output and high-impedance output (with a large resistance value), etc. However, the l...[Details]
In the first edition of his new Power on newsletter for Bloomberg, Mark Gurman said Apple is exploring future iPads with larger displays, adding that a potential launch is probably at least a few yea...[Details]
MR-J2S-D ]A Peripheral equipment connection diagram
Connection with auxiliary equipment
Peripheral devices are connected to MRJ2S-A in the following manner.
Since it is equippe...[Details]
It has been two months since I bought the board. At first, I wanted to run it naked, but the projects were all under ADS, which couldn't be used on the win7 system. So I thought about running it on M...[Details]
A soft starter is a power electronic device used for motor starting. It can effectively reduce the current shock during starting, thereby protecting the motor and the power grid. However, in some c...[Details]
RF/Wirelessly
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