The microcontroller is a programmable device. When using it, you need to write a program that meets your needs. After the initialization of each port and configuration is completed, its C language pro...
[i=s]This post was last edited by sipower on 2022-1-22 20:51[/i]The first test at the beginning of 2022 starts with the NodeMCU-BU01 UWB indoor positioning module of Anxinke . There are a lot of infor...
The basic constant current source circuit is mainly composed of an input stage and an output stage. The input stage provides a reference current, and the output stage outputs the required constant cur...
Optical coupler (OC) is also called optocoupler, or optocoupler for short. Optocoupler uses light as the medium to transmit electrical signals. It has a good isolation effect on input and output elec...[Details]
For a basic introduction to sysfs and platform, please refer to the blog post . Platform model driver programming requires the registration, matching, and mutual binding of platform_device (device) a...[Details]
In the previous article, we introduced in detail how to drive LCD. It is not difficult to display various simple graphics on the LCD screen. But how to draw characters?
In fact, each character is ...[Details]
1. Overview of the Battleship Development Board 2. Connect to the computer via USB cable (need to install CH340 driver first) 3. When inserting the LCD screen, pay attention to aligning it to t...[Details]
Steam flow meter installation precautions 1. Requirements for straight pipe sections: 1. The flow meter must be installed horizontally on the pipeline (the pipeline inclination is within 50 degrees)....[Details]
Introduction
With the popularity of home appliances and audio-visual products, infrared remote controls have been widely used in various types of home appliances (such as remote switches, smart swit...[Details]
In terms of the cost of LED backlight and traditional CCFL backlight, now that LED backlight technology has become mainstream, it has been recognized by consumers for its advantages such as no merc...[Details]
Abstract: In order to study the anti-power consumption analysis performance of cryptographic chips, a power consumption analysis research platform was constructed, and a correlation power consumpti...[Details]
Intel released its Q3 2019 financial report last weekend, with total revenue of $19.2 billion, almost unchanged year-on-year, but net profit of $6 billion, down 6% year-on-year. This financial ...[Details]
Experimental phenomenon: LED flashes on and off Change the value of the compare register in the main function /*************************************************************************************...[Details]
Intelligent Battery Status Tester Query Parameters Press the switch to turn on the tester. illustrate: After turning on the tester, the LCD backlight can be turned on/off as needed. Press nu...[Details]
2.4-inch TFT240370PQ display, driver IC is ILI9325. The screen power supply is 2.8~3.3V, the backlight power supply is up to 3.2V (20Ω resistor in series at 3.3V power supply or 200Ω r...[Details]
Ethernet Tester Introduction Ethernet tester is a cost-effective handheld Ethernet network analyzer that is very much needed by network management and maintenance personnel. It is multi-functiona...[Details]
On January 8, 2020, Beijing time, Huami Technology launched six new products including Amazfit PowerBuds true wireless sports heart rate headphones, Amazfit T-Rex outdoor smartwatch, Amazfit HomeStud...[Details]
On October 24, the "Xpeng P7+AI Intelligent Driving Technology Sharing Conference and the First Release of AI Dimensity 5.4.0" was held in Guangzhou. Dr. Li Liyun, Vice President of Xiaopeng Motors...[Details]
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