I am doing a serial communication simulation experiment between two microcontrollers. When I use a common cathode LED, the display is wrong, but when I change to a common anode LED, the display is cor...
Plug in the power supply and network cable, ping 192.168.2.20 (this is the IP of the development board). If ping fails, change the computer IP. My computer is Win7/64-bit. The specific operation is to...
A: I would like to ask, is there any tool or method to burn dtb files separately?
B: The OS option of the burning tool has a choice
KERN-Nand
Uboot and dtb are updated together...
I want to test the inductance of 6.8 ohms. What kind of circuit should I use to convert it and send it to the microcontroller? The inductance of 6.8 ohms is the value of the coil (inductance) measured...
[align=center][media=x,500,375]https://v.youku.com/v_show/id_XMzE2NDE1MjE2.html?spm=a2h0k.11417342.soresults.dtitle&s=56a3eba4e5a311e0a046[/media][/align] [size=4]First, let me show you a drone that I...
As the title says: I would like to ask if there are any netizens who are familiar with this technology, what are the factors that affect the speed of wireless charging of mobile phones?...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]