In fact, it is the difference between vias and through-holes on pads
This PV (via)This PP (through-pad)There is no difference between the two PCBs from the 3D display as shown in the figure below. How...
First, let's review the key points in the previous article:(1) The underlying Event Kernel is driven by messages. The receiver of the message is called a task, but it is not a task in RTOS. A task can...
cruelfoxonsemi and Avnet IoT Innovation Design Competition
[b]1-4-1. Working principle of parallel switching power supply[/b] Figure 1-11-a is the simplest working principle diagram of parallel switching power supply, and Figure 1-11-b is the waveform of the ...
In the test program, there are two tasks raw_task_create(&test_task_obj[1], (RAW_U8 *)"task1", 0, 3, 0, test_task_stack1, TEST_TASK_STK_SIZE , test_task1, 1); raw_task_create(&test_task_obj[2], (RAW_U...
If Not File.Exists("\My Documents\glx.sdf") Then Dim engine As New SqlCeEngine(connStr) engine.CreateDatabase()'（Sometimes it will report that SQL has encountered problems in creating the database, bu...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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]
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]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
