First of all, I wish you all a happy May Day. Some time ago, an old man in my company retired. When he sorted out his belongings, he left behind a very old desk lamp. This time, I took it and made a d...
1. VL53L1X Introduction
VL53L1X belongs to the FlightSense product series ToF (Time of flight) laser ranging sensor launched by STMicroelectronics, commonly known as STMicroelectronics (ST).
The VL53L...
Recently, Apple's official website launched a "polishing cloth" worth 145 yuan. Although everyone is complaining that a "rag" is sold for 145 yuan, who would buy it? However, the reality is very embar...
Input overvoltageoften causes the chip input to burn out, and the input voltage given by the system is actually lower than the chip input withstand voltage, but it still burns out. For example, the TP...
Bar codes are commonly used to convert critical alphanumeric information into symbolic information that can be scanned and read by digital systems, without having to enter the information into the ...[Details]
In order to monitor the actual signal, a multi-channel data acquisition system with W77E58 microcontroller as the core is designed. The overall structure of the system is introduced, the hardware and...[Details]
"The 'new infrastructure' comes at the right time. With the trend of 'new infrastructure', the information industry has ushered in good opportunities. Urban cloud is indispensable and can play a big ...[Details]
The new four modernizations of automobiles (electrification, intelligence , connectivity, and sharing) are recognized trends in the industry. In terms of intelligence and connectivity, OTA technology...[Details]
Objective: DC motor control 1. Introduction to DC Motor A DC motor is a rotating motor that can convert DC electrical energy into mechanical energy. Related parameters: Shaft length: 8mm Shaft diam...[Details]
Create light.c:
Modify start.S:
Modify Makefile: add light.o
Finally, make succeeded and burning was successful.
Similarly, we can also call our assembly f...[Details]
Continuing from last week’s article, in some tests we need two drive signals with inconsistent timing to control a switch tube, such as MOSFET or IGBT, and in some tests the interval between the two ...[Details]
1. How to enter sleep mode 1) Some important data should be stored in the status register. The data in the status register will not be lost after power failure. 2) Set up the wake-up source ...[Details]
Recently, the U.S. Federal Communications Commission issued a statement prohibiting many Chinese companies from providing telecommunications equipment and surveillance equipment to the United States,...[Details]
introduction
The management of electricity use in school dormitories has always been a difficult problem, especially in brick-wood structure dormitories, where the use of various illegal high-...[Details]
Colleges and universities are units with many departments and divisions, and there are many school activities. The activities of answering questions are exciting and interesting. There are few answer...[Details]
1 Introduction
Aiming at the shortcoming of limited internal BlockRAM in FPGA, a method of improving the design by combining FPGA with external SRAM is proposed, and some VHDL programs are...[Details]
With the continuous improvement of industrial automation level, frequency converter has become an important part of digital control technology and is widely used in drive motors in industrial produ...[Details]
Smart residential security is the current development trend. Since residential surveillance systems are very cost-sensitive, the use of wireless technology can save more than 90% of the cost compar...[Details]
Ultrasonic four-channel ranging: Ultrasonic ranging is implemented in three major parts:
One is the 12864 LCD driver with font library:
code show as below:
//////////////////12864 Driver/////////...[Details]
RF/Wirelessly
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