6-bit data is a group. The host computer sends 100 groups of data to the microcontroller. The digital tube displays 100 groups of data at the same time. How many microcontrollers are needed to control...
[font=Times New Roman]Building the vmhgfs module.[/font]
[font=Times New Roman] [/font]
[font=Times New Roman]Using 2.6.x kernel build system.[/font]
[font=Times New Roman]make: Entering directory `/t...
I will post it here directly. Since there is too much content, please selectively collect the titles before reading. [url=http://www.28xl.com/html/34/18/18185/1.htm][color=#0000ff]Reset Circuit[/color...
I transplanted boa web server and configured boa.conf file, but it failed to run and was terminated. The prompt message is as follows: PID Uid VSZ Stat Command [01/Jan/1970:00:00:52 +0000] caught SIGS...
I received the GD32 development board yesterday. Here are some photos for you.The board is very simple. I downloaded the 350 software package and took a look. There is very little source code....
Ten trial users passed two rounds of trials. Based on the trial users’ published experience, application development experience, and new applications, avnet engineers finally selected five winners who...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]