Select the P4 port of the MSP430F247 microcontroller to connect the digital tube to display the key number, and connect three keys to P5.0, P5.1, and P5.2 of the P5 port respectively.
The three button...
Espressif released an esp32-c3 module at the beginning of the month, but it was too expensive. It happened that Anxinke had a sample experience, 3.9 for a development board, not bad, almost free. So I...
LED display screens are now widely used in large shopping malls, airports, railway stations and the financial industry. The large demand has led to a lot of defective displays in the market. Due to th...
1. OverviewThe CC1310 combines an ultra-low power RF transceiver with a powerful 48MHz Cortex-M33 microcontroller, and uses an ARM Cortex-M0 professional wireless controller to process low-level RF pr...
I have a question: If I download a KEIL project from the Internet and open it without using KEIL, from which file in the project can I directly check which MCU model is used in the project?...
"2000 Reliability Principles of Electronic Product Design Handbook" systematically summarizes the basic principles of how developers (including overall, software and hardware, structural designers, et...
The main reason for adding capacitors to single-phase motors is to achieve starting and improve the power factor. The role of capacitors in single-phase motors will be discussed in detail below.
...[Details]
Now that you've seen how digital power makes rails work together as a "team" and how software tools enable configuration and debugging, it's time to step back and look at how digital power fits into a...[Details]
There are more and more leaks about the iPhone 12 series. Recently, blogger @apple_idesigner also released a set of the latest renderings of the iPhone 12 Pro/Pro Max. Judging from the pic...[Details]
Design concept and overall plan
1 Design concept of non-contact electroscope
The electrical tester developed this time is mainly used for monitoring medium and high voltage transm...[Details]
For the ZDS2022 oscilloscope, many skills are integrated into one, and each key has a hidden secret. The skills section is not to be missed! The skills section will help you get started quickly! Th...[Details]
1 Introduction
RS232 has been widely used as a standard computer serial interface. At the same time, with the rapid development of fieldbus technology, CAN bus with advantages such as good real-time...[Details]
The software analyzed in this paper is a driver for the host computer that controls the computer through an infrared remote control. Its main function is to execute various functions such as mouse cu...[Details]
LED display unit board:
A. The whole board is not lit
1. Check whether the power supply and signal line are connected.
2. Check whether the test card can identify the interface. If the red...[Details]
On June 1, Xiamen Haichen New Energy Technology Co., Ltd. ("Haichen Energy Storage") held a groundbreaking ceremony for the second phase of lithium battery with the theme of "100G Haichen, 100 bill...[Details]
Medical technology has been constantly improving, solving various problems for patients and their families. However, you will find that when it comes to amyotrophic lateral sclerosis (ALS), apart...[Details]
Recently, foreign media reported that iOS 13 will abandon support for iPhone 5s, iPhone SE, iPhone 6/6 Plus. As for iPad, devices earlier than iPad mini 2 and iPad Ai will not be able to install iOS ...[Details]
Translated from - semiwiki Semiconductors fell 12% in 2019 The World Semiconductor Trade Statistics (WSTS) report said the global semiconductor market was worth $412 billion in 2019, down 12.1%...[Details]
Introduction: Last month, I was invited to watch the online conference of SemiDrive's 9 series SoC. In fact, I received an invitation to the offline conference at the beginning of the year, but the t...[Details]
1 Introduction SVPWM is widely used in 3-phase inverter control systems because it has a higher DC side voltage utilization efficiency than sinusoidal pulse width modulation (SPWM). Although SVPWM h...[Details]
1. Configure the memory controller registers When our S3C2440 accesses SDRAM, it first sends out an address, and then the memory controller first sends out a chip select signal nGCS6 according to the...[Details]
Microcontroller MCU
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