This paper discusses the method of using phase-locked technology to generate low-frequency signals with high frequency stability, and introduces the design of a low-frequency phase-locked loop functio...
First time posting. The reason for this was the information sent to the mailbox. I browsed through several posts and found that there was an SD card, but I couldn't find a microSD card in the pictures...
Recently, due to work needs, I started to get in touch with Bluetooth Mesh. I looked it up and found that Bluetooth Mesh was not long ago, probably in 2017, so it has been 4 years now. Although I am n...
April Reading Festival, good books will enlighten the world~hello, everyone~I am here to urge progress and encourage everyone to read good books. I recommend good books to you all, okhxyyo~Come and re...
I need help from all the experts: When I use the max6675 chip to read the thermocouple, I accidentally find that the temperature of the thermocouple is 20477 or 0. What is the reason? Has anyone encou...
Why is the lower arm PNP transistor of the H-bridge push-pull circuit often damaged, and the three legs of the transistor are directly short-circuited?...
As the country's strength increases, more and more preferential policies are being granted to rural areas, and the support for rural development is increasing. Therefore, the rural lighting market ...[Details]
Network cameras have networking functions and maintain the functions of analog cameras to the maximum extent. They are undoubtedly the new stars in the field of monitoring. Network cameras generally u...[Details]
There has been a lot of good news about Tesla recently. First, Tesla's stock price broke through $420, and recently Tesla's autonomous driving technology has taken another step forward. According t...[Details]
With the continuous development of microcomputer technology, the application of single-chip microcomputers in many engineering fields has become increasingly widespread and has gradually replaced s...[Details]
Recently, many netizens have reported that the registration entrance for personal WeChat accounts has been closed recently. Currently, all users can no longer register new personal WeChat acco...[Details]
I. Introduction
Some engineers reported that they could not use the STM32F4 xx hardware floating point unit under Keil, which resulted in a long operation time when performing floating point operatio...[Details]
Abstract: This paper combines the implementation of 3GPP WCDMA protocol 25.213 (Release 6) downlink modulation with the WCDMA terminal baseband digital processor, uses an RRC filter based on FIR st...[Details]
System Function and Application This system mainly completes the various status information of the smart car during driving (such as sensor on and off, vehicle speed, steering gear angle, battery pow...[Details]
LED automotive lights use LED technology to provide exterior lighting and a comfortable light source. Challenges such as thermal limits and EMC need to be addressed in the design. Active ripple com...[Details]
On May 10, the Zhangbei 500 kV switch station upgrade and expansion to a 1000 kV substation project, undertaken by Beijing Power Transmission and Transformation Co., Ltd., officially started.
...[Details]
MOS tube is a metal-oxide-semiconductor field effect transistor, or metal-insulator-semiconductor. MOS tube is deeply loved and sought after in the electronics industry because of its advantages such...[Details]
Last month, the 8GB version of the Asus ROG Phone 3 had appeared on the Geekbench benchmarking platform. Now, the higher RAM version of the phone has appeared on Geekbench again. On June 3, a...[Details]
1. Reasons for fan motor heating:
1. The motor is overloaded: When the fan is overloaded, the motor requires more energy to operate normally, which can cause the motor to overheat.
2. Mot...[Details]
Introduction
The μC/OS-II operating system is a real-time operating system based on a microkernel. Its features such as preemptive multitasking, microkernel, and good portability make it widely...[Details]
According to foreign media reports, on November 11 local time, Texas Instruments (TI) announced the launch of two new real-time microcontroller series - TMS320F28P55x series and F29H85x series, des...[Details]
MCU
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