I use SAA7113 to convert video signals into A/D. The input clock of the chip is generated by a crystal oscillator. The waveform is normal, but the LLC pin does not output any signal and is always at a...
Here are some classic original communication jokes: The first half of the year has passed, and the major events are still vivid in my mind. Suddenly, it has calmed down and entered the off-season. I a...
At present, there are less than 10,000 core 3G talents in China, of which Huawei has about 5,000 to 6,000, ZTE and Datang have about 2,000 each. With only 10,000 people competing for a market said to ...
With the upgrade of micropython, the community has also updated the PYBCN_V2 and PYBNANO_V2 firmware. Please go to the firmware section to download the update. [list] [*][b]github [/b][url=https://git...
Using C++ to write an IIR filter
We first need to design an IIR filter in MATLAB and generate a header file that reflects the frequency response characteristics of the IIR filter.Theoretical support
I...
1. asm can also be written as __asm. Its function is to embed assembly language directly in C program. Syntax: asm("string"); string must be a valid assembly statement. 2. __interrupt is placed before...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
DSP and ARM Processors
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