I am using the Bluetooth module HC-05. When I send an AT command, it returns ERROR(0). The baud rate is 38400. The program is as follows: USART_OUT(0X41); //A USART_OUT(0X54); //T USART_OUT(0X0D); USA...
In Chapter 6, it is said that the function rt_hw_stack_init is defined in cpuport.c, but it does not mention where it is declared. However, this function is called in the rtthread.c file. This content...
The car fuse box (also known as the POWER DISTRIBUTION CENTER ) is a current distribution protection device from the battery to various loads. At present, the internal temperature of the UEC fuse box ...
First, here's a crappy picture to cover the postThe development board I received yesterday
An RSL10-SENSE-DB-GEVK, which is quite small
Powered by a button battery, with a bunch of sensors on board
A ...
ljj3166onsemi and Avnet IoT Innovation Design Competition
STM32 starts to support VCP+MSC+HID modehttps://github.com/micropython/micropython/commit/cb84e22ac6b1356986f63f5b6db95493da81fa5f
https://github.com/micropython/micropython/commit/6705767da1f7dba7a04...
When the MOSFET is turned off, a high voltage spike will appear on its drain. This is caused by the resonance between the leakage inductance of the main transformer and the output capacitance of th...[Details]
General principles of optical fibers and fiber optic sensors
Figure 1 Basic structure of optical fiber
Optical fiber is a medium that uses the principle of total internal reflection of ligh...[Details]
Last month, Toyota announced that they would work with Subaru to develop a dedicated electric vehicle platform for an SUV. Now the company's high-end brand Lexus has told the media that they are deve...[Details]
Knorr-Bremse is committed to advancing highly automated driving (HAD) technology in the truck industry. As a professional leader in its market segment, Knorr-Bremse mainly provides advanced redunda...[Details]
The interrupt vector of STM32 has two attributes, one is the preemption attribute and the other is the response attribute. The smaller the attribute number, the higher its priority level. Preemption ...[Details]
How to quickly judge the performance of electrolytic capacitors? Common faults of electrolytic capacitors include capacity reduction, capacity disappearance, breakdown short circuit and leakage. The ...[Details]
For the sake of convenience, few people plug and unplug the charging head at a fixed position, and usually use it directly by connecting the data cable. In fact, the charger also consumes power in st...[Details]
It is suitable for testing the water barrier properties of Band-Aids, bandages, medical tapes and other materials of any shape, form or specification that directly contact the wound surface. It is th...[Details]
1. The difference between acidity meter and pH meter Acidity meter and pH meter are the same, which is a high-precision industrial online automatic and continuous detection of pH analytical instr...[Details]
As the demand for automobile safety, interconnection, comfort and autonomous driving continues to increase, the functional design and electronic modules of automobiles are increasing day by day, and...[Details]
1 Introduction
With the continuous improvement of electrification and automation of automobile parts and the high requirements for noise, electromagnetic compatibility and efficiency of automobi...[Details]
At the beginning of this month, China Telecom took the lead in notifying its provincial branches to switch the "Enjoy Package with Speed Reduction after Data Capture" to the "Normal Edition Enjoy P...[Details]
China Energy Storage Network:
China Southern Regional Power Market Work Plan
In order to thoroughly implement the "Several Opinions of the CPC Central Committee and the State ...[Details]
Shenzhen, on November 27, 2023, the first FuMaTech – International Future Manufacturing Technology Exhibition and Conference and IRACE – International Robotics and Automation Conference and Exhibitio...[Details]
Everyday traffic jams pose a safety risk to vulnerable road users. According to foreign media reports, Volvo Trucks has launched two safety systems that focus on protecting pedestrians and cyclists...[Details]
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