I want to use the counting mode of two timers, which requires turning on and off as I want. How should I control it? Because in 51, there is TRX to control the start and end of counting, how can I ach...
This post mainly records the release progress of RT-Thread 0.4.0. The two goals proposed by RT-Thread 0.4.0 at that time: - POSIX compatibility - Application module loading is now getting closer. . . ...
[i=s]This post was last edited by dcexpert on 2019-5-20 12:54[/i] There are 4 WS2812 full-color RGB LEDs on the McQueen, which are controlled using P15. WS2812 is a serially controlled LED with an int...
As shown in the figure, this is a sound control circuit that keeps recording continuous. The core of this circuit is a monostable delay circuit composed of 555 and R2, C3. The recording signal is inpu...
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[Details]
Abstract: This paper introduces the controller, interface, display principle and driving method of the handheld computer LCD display based on the SA1110 microprocessor. Combined with the HPC projec...[Details]
Novaled, a German company, has successfully developed p-type and n-type field effect transistors based on a single-layer pentacene semiconductor layer by using its own p-type and n-type dopants. This ...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
0 Introduction
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, as more safety electronic devices, fuel consumption and fuel emission control electronic s...[Details]
Analysis of automotive sensor testing requirements
At present, the control system used in automobiles can be functionally divided into three parts: sensor unit, control unit and execution ...[Details]
Biometric authentication technology replaces the traditional methods of using keys, ID cards, passwords, etc. for personal identification, and can be widely used in access management in bank...[Details]
Fairchild Semiconductor provides the industry's smallest power management solution FAN5902 for 3G mobile phone and wireless data card designers. This RF power DC-DC converter uses a 12-bump 0.5mm p...[Details]
Today, a new systematic maintenance approach can measure, locate and repair problems in rail and tram tracks in a timely manner. Combining mature railway engineering techniques with advanced techno...[Details]
0 Introduction
The pipeline detector is a special portable instrument that uses the secondary field principle to detect underground metal pipelines. It generally includes a transmitter and...[Details]
introduction
With the development of electronic technology, the anti-theft alarm system has evolved from the original simplification and localization to intelligence and integration. At pr...[Details]