I got a STM32L151C8T6 board, powered by a 3.3V button battery. But the battery died. I used STLINK to power it, and it should be 3.3V, but when I measured it with a multimeter, it was 4.77V, and somet...
The output voltage rises, the cathode voltage of TL431 drops, the P tube is turned on, and the output voltage drops.
But doesn't the transistor go directly to the ground when it is turned on? Is there...
Sometimes you need to embed some assembly code in a C51 program. In this case, you can use the usual approach: write an assembly function according to the interface between C51 and assembly, and then ...
Siemens Xcelerator's Capital software helps Airbus develop next generation electrical and electronic systems
Siemens announced today that Airbus, the world's leading aircraft manufac...[Details]
There are many types of gas detectors because they detect different gases. Among them, the four-in-one gas detector is a type of gas detector that many people use because it can support us to detect ...[Details]
The high-voltage differential probe P5200A is a test instrument accessory used to measure high-voltage differential signals. Usually consists of two probes and a probe package. Each probe has a mea...[Details]
I have not had time to summarize the recent series of company written tests. Although they are all small companies, there are still many contents worth summarizing. Many of the contents are caused...[Details]
As of the end of April, the 2022 annual reports of 36 listed companies in Guizhou have been disclosed, and they have achieved good results in profitability, asset quality, financing scale, etc. The to...[Details]
Data acquisition is an important part of signal analysis and processing. In the process of missile semi-physical simulation, fast and reliable experimental data plays an important role in improving s...[Details]
1 Introduction Fingerprint recognition is a high-tech technology, and the preliminary work of fingerprint recognition is fingerprint image acquisition. The quality of the acquired image has an i...[Details]
Commonly asked questions about moisture analyzers 1. The problem of full sealing of the system: The connection of the Karl Fischer reagent liquid path must be tightened, from the reagent bottle to th...[Details]
A relay is an electrical control device that can give a specified input and maintain it for a long enough time, causing a predetermined step change in the controlled quantity in the electrical outp...[Details]
The USB 3.1 connector will be unveiled. The Universal Serial Bus Developers Forum (USB-IF) announced that it has begun developing the USB Type C connector based on USB 3.1 and USB 2.0 technologies. ...[Details]
On March 12, the People's Government of Gongqingcheng City, Jiangxi Province and Jiangxi Shenghong Electronic Technology Co., Ltd. held a signing ceremony for the production project of precision part...[Details]
Samsung listed four new phones on its official mobile news site today, including the Galaxy M23 and M33. The two phones are very similar in terms of specs, with both phones having 6.6-inch 1080...[Details]
Recently, at the second Dishui Lake RISC-V Forum, Zhao Jing, senior product director of Shanghai Saifang Technology Co., Ltd., introduced the company's newly launched Fang Jinghong 8100 processor, ...[Details]
Pulse oximeters measure arterial oxygen saturation by sensing the absorption properties of deoxygenated and oxyhemoglobin using different wavelengths of light. Basic meters consist of sensors placed o...[Details]
Design Features Innovative control concept enables extremely low-cost solutions with low component count Primary-side control eliminates the need for a secondary-side controller and optocouple...[Details]
stm32/stm8
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