The relationship between pulse+, pulse- and U2B output is logical AND.1. When pulse+ is high and pulse- is low, what are the voltages at points c and d respectively?
The Q8 diode is reverse cutoff (co...
I just checked my Moments and realized that today is the Winter Solstice. I wish everyone a happy Winter Solstice! No matter what you eat, it tastes like home!I heard that on the winter solstice, peop...
About using the emulator to adjust the STM32 program:When debugging the program in STM32 using JTLINK emulator (1) is it necessary to disconnect the power supply on the circuit board and use TVCC on J...
[Intuitive Explanation of Operational Amplifiers] Intuitive animation explains the working principle of operational amplifiers in detail, vivid and easy to understand!...
Flasher Hub is a new generation Flash batch programming controller from SEGGER, used with Flasher. Flasher Hub can control up to 24 Flashers to program the chip in parallel, which is suitable for batc...
We are making a small weather station. We are using the E90 DTU to transmit data. We receive the hexadecimal data of the sensor through the serial port on the computer. Now we want to transfer the dat...
Vortex flowmeters are widely used in measuring coke oven gas, but there are also some problems. Let's talk about the causes and solutions of these problems: The reasons for the failure of the on-site...[Details]
CAN bus technology not only involves automotive electronics and rail transportation, but also involves medical equipment, industrial control, smart home and robot network interconnection. These ind...[Details]
Jiwei.com (Text/Kelven) Xiaomi officially released two 5G mobile phones, Xiaomi 9 Pro and Xiaomi MIX Alpha, at the end of September. Among them, Xiaomi 9 Pro 5G has been on the market. It has made mi...[Details]
In the era of the Internet of Everything, various new products and applications are constantly emerging, and the demand and requirements for components are becoming increasingly stringent. Flash Memo...[Details]
This year’s 3.15, WiFi probes became popular. WiFi probes are just a communication technology, but they have been misused and misunderstood. WiFi probes are just a form of data collection. The "large...[Details]
In recent years, my country's automobile industry has developed rapidly. With the promotion of electric vehicles and autonomous driving technology, electrical and electronic equipment in automobiles ...[Details]
Seed moisture is a key factor affecting germination rate. The moisture content of corn seeds is generally between 20% and 30% when they are harvested. If they are not dried in time or the method is i...[Details]
On August 7, in the central urban area of Qujing City, Yunnan Province, 100 new energy buses officially hit the road, and two first-level DC fast charging stations, the Zhanyi Xiaohedi Bus Term...[Details]
On February 23, Chunqiu Electronics disclosed its 2021 performance report. In 2021, the company achieved total operating revenue of 4.025 billion yuan, a year-on-year increase of 12.37%; operating pr...[Details]
1. Available GPIO pins Remove the GPIO drivers that occupy the call, including leds, buzzer, camera ov5640, WIFI mt6620, Keyboards VIDEO_OV5640– Device Drivers – Multimedia support(MEDIA_SUPPORT ...[Details]
1. Hardware Description
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The hardware interface diagram is shown below:
Interface and indicator light description:
Accessories: one serial cable, one USB interface...[Details]
The digital oscilloscope (DSO) uses A/D conversion to convert the analog signal to digital signal, and then stores it in RAM. When needed, the content stored in RAM is called out, and through the cor...[Details]
China Energy Storage Network News:
On May 6, in Temuli Town, Butuo County, Liangshan Yi Autonomous Prefecture, the world's largest ultra-high voltage converter station, the ±800 kV Butuo Co...[Details]
The general sensitivity of a high-range acceleration sensor is about 1 mV. If the acceleration signal is in the range of 1g to 10g, the output of the sensor is 1 mV to 10 mV. The noise of the traditio...[Details]