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...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]