Communication format: Data packet length L (1byte) command word C (1byte) data packet D (L-1bytes) Communication direction: -> Slave computer sends to host computer IC card reader Demo program: 1) Sta...
[i=s]This post was last edited by jszszzy on 2021-11-16 23:26[/i]Anxinke PB-02 module review (1) ------ appearance displaycompilation environment construction
The module arrived a few days late becaus...
When using gcc to compile the u-boot kernel, an error is always reported, for example:
scripts/Makefile.host:118: recipe for target 'scripts/basic/fixdep' failed
Makefile:381: recipe for target 'scrip...
The analog IQ modulator includes a mixer. In the process of up-conversion, image frequency products are bound to be generated. When the output signal is frequency-free, that is, when the center freque...
[i=s]This post was last edited by UUC on 2020-5-3 08:34[/i]I would like to wish you all a happy May Day holiday in this warm spring!
Due to the serious epidemic situation some time ago, even though th...
0 Introduction
Wireless sensor networks use a large number of cheap sensor nodes to detect and transmit data in the target area, and remote computers process and provide information to decision...[Details]
1. Faults and troubleshooting of DC current range Use a milliammeter with high accuracy or a fault-free multimeter as a standard meter, connect it in series with the fault meter to measur...[Details]
(Image source: University of Illinois at Chicago College of Engineering official website, person in the picture: Reza Shahbazian-Yassar) Lithium batteries give electric cars a range of hundreds of ...[Details]
Capacitor usage precautions and failure solutions:
Notes on capacitor selection
When confirming the use and installation environment, capacitors
used within the rated performance ...[Details]
Beijing, China, April 16, 2024 – Tektronix, an industry-leading provider of test and measurement solutions, has acquired EA Elektro-Automatik (EA), a leading supplier of high-power electronic t...[Details]
Lenovo recently launched a new pair of true wireless earphones with the ThinkBook brand in the Chinese market, called ThinkBook Pods Pro. Targeted at corporate customers, this headset has a unique de...[Details]
Upgrade code engineering instructions After the project is created, the following steps need to be performed: 1. First, click on the compiler's "Target Option" , then select the Target option, set IR...[Details]
The chief executives of Intel and Micron will make their case to the U.S. Senate Commerce Committee on Wednesday for the need for U.S. government subsidies to boost semiconductor manufacturing, Reute...[Details]
The output signal generated by the integrated amplifier circuit board (ZHFD) is sent to SG3526 to generate PWM pulses. This signal is logically operated with the feedback signal and then sent to the ...[Details]
Abstract: Based on the functional module division of the AOS system, a very critical component of the system, the uplink controller, is introduced. This solution uses the Ark series CPU chip with i...[Details]
First, let's talk about the electrolytic capacitor in the input circuit. As we know, the DC input current of the inverter is usually very large. The maximum input current of a 12V 1000W inverter can ...[Details]
On November 12, Zhou Zixue, Chairman of SMIC, said at the performance meeting that the current international situation is becoming increasingly complex, and the company operates legally and in compli...[Details]
Scientists at South Ural State University have developed an effective underlying controller for adaptive shock absorbers based on time-delay artificial neural networks. Yuri Rozhdestvensky DSc and hi...[Details]
Although overflow cannot be completely avoided during program development, it poses a huge threat to the system. Due to the particularity of the system, when overflow occurs, attackers can exploit it...[Details]
Bootloader is the first piece of software code that runs after the system is powered on. Simply put, they are all bootloaders, and the tasks they perform are similar.
Friends who are familiar with th...[Details]
RF/Wirelessly
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