Requirements: A program to control the transceiver of a 433 RF chip using a specified MCU (similar to a PIC microcontroller), with a learning code. The price is about 700 yuan and the time is two week...
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At the "OFweek 2019 (Fourth) China Internet of Things Industry Conference" held in Shenzhen on December 6, Jeff Lin, senior marketing manager of Qorvo's Asia Pacific Wireless Business Unit,The attende...
LT8645SIV#PBF is a DCDC step-down chip from ADI, with a maximum input of 65V. Two of them burned out recently when I was using them, and I couldn't find out the problem. I came to the forum to ask for...
The Ministry of Industry and Information Technology of China has released the "Recommended Model Catalog for the Promotion and Application of New Energy Vehicles" (the third batch in 2019). Consideri...[Details]
Most sludge used in industrial production or regional construction must be dried. Preventive maintenance and measurement of drying detection systems are an indispensable part of sludge automatic dryin...[Details]
In the previous article " HMI lets you understand the world behind extended reality (I) ", we introduced extended reality (XR) and its role in the future. In this article, we talk about the applicati...[Details]
As the application environment requirements continue to improve, there are more expectations for the cable itself. In this issue, L-com will introduce in detail a particularly powerful cable - drag c...[Details]
0 Preface GPS, or Global Positioning System, was developed by the United States in the 1970s. It took 20 years and cost $20 billion to complete in 1994. It has the ability to conduct all-round real...[Details]
Tuning fork level switches are widely used in petrochemical, metallurgical, light industry, building materials, environmental protection and other industries to alarm and control the upper and lower ...[Details]
Part 1
Three-level PWM is a very effective technology that uses the digital output of a microprocessor to control analog circuits. It is widely used in measurement, communication, power contro...[Details]
1 Definition of Battery Management System (BMS) The safe operating area of lithium-ion batteries is shown in Figure 1. The main task of BMS is to ensure the design performance of the battery syste...[Details]
"Electronic Assembly and Debugging" Preliminary "Electronic Scale" Circuit Function Introduction 1. Function Description Electronic scale is mainly controlled by single chip STC90C52RC core to realiz...[Details]
On August 19, Huamao Technology issued an announcement stating that the company's main business does not involve photoresist business; its overseas investment company Xuzhou Bokang had a net loss of ...[Details]
According to Shanghai TV, more than 6,000 people in total at the five factories of Huahong Group, a leading integrated circuit company, are staying at their posts to ensure uninterrupted chip product...[Details]
For more than two decades, FPGAs have provided the world with the most flexible, adaptable, and fast design environment. Early DSP designers discovered that a reprogrammable sea of gates coul...[Details]
If the frequency of the crystal oscillator is 3MHz, what is the maximum timing time of the timer/counter in working mode 0, 1, and 2? Answer:
Similarly, the maximum timing time in mode 1 is 2...[Details]
1. RAM keil C language programming
RAM is the data space for storing random variables during program operation. When writing a program in Keil, if the current mode is small mode, if the total varia...[Details]
Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]