Figure 2 below is a transimpedance amplifier circuit. Now we need to use the formula in Figure 1 to calculate the maximum optical power that the photodiode can receive. Now we have the following quest...
Recently, a GaN charger from Xiaomi has become a hot topic, making ordinary people feel amazing. Lei Jun said, "It's really convenient!" Then, Huawei, Samsung, OPPO, Apple and other companies also sai...
I got the board a few days ago. The original board already has an Arduino interface. Today I used a sensor expansion board to develop the DHT11 single-bus temperature and humidity sensor.The blue part...
I was cleaning up at home yesterday and found the TXS0104 chip I had applied for before, so I DIYed an I2C level conversion board.TXS0104 is a bidirectional level conversion chip with a rate of up to ...
The thermocouple disconnection detection circuit of the digital display meter is shown in the figure below. It uses high resistance rb to add a positive bias voltage to the input end of the normal si...[Details]
Intel, the leading processor company, had delayed the launch of its 10nm process for many years due to technical bottlenecks. Now, in order to meet market demand, its three wafer fabs are expanding t...[Details]
HMD Global released Nokia 5.3 in March this year. Now news about Nokia 5.4 has surfaced. According to foreign media Nokiapoweruser, Nokia 5.4 will be launched earlier than expected. Reports say tha...[Details]
Modbus is a serial communication protocol invented by Modicon for communication between its PLC and host. Its physical layer adopts asynchronous serial standards such as RS232 and 485. Due to its o...[Details]
S3C2440 is a processor designed by Samsung based on ARM920T. In the process of developing a system based on S3C2440, how to make the system start quickly and stably is an important issue. The resourc...[Details]
Sound signals are everywhere and contain a lot of information. In daily production and life, we can simplify the process and get the results we want by analyzing sound signals. With the continuous ...[Details]
From August 28 to August 31, the 2023 International Display Industry Summit Forum and the International Display Technology Application Innovation Exhibition (DIC 2023) were grandly held in Shangh...[Details]
Instrument calibration is a technical means to restore and maintain equipment performance indicators and ensure accurate and reliable measurements. Therefore, it is necessary to calibrate regularly...[Details]
element14 reaches new distribution cooperation and launches sales of Gateworks series of durable industrial single board computers Gateworks products reduce users' field failure rates, increase upt...[Details]
Strategic determination requires sufficient confidence For the autonomous driving track, the winter of 2022 will be particularly cold. The cold wave is coming. Judging from the response methods of ...[Details]
From 20:00 to 21:30 on August 2, State Grid Jiangxi Electric Power Co., Ltd. carried out a pilot project of residential electricity demand response in Nanchang, Jiujiang and Yingtan. 695 residentia...[Details]
//Use 51 single-chip microcomputer as signal generator, and output four frequencies of square wave at the same time. //Requirement: crystal oscillator is 12MHz, use T0 as timer, and output four frequ...[Details]
What exactly is the Internet of Vehicles? As one of the three most important spaces for human activities, along with home space and work space, the importance of the Internet of Vehicles is also in...[Details]
1 Introduction
In recent years, with the rapid development of automation technology in my country, industrial automation has made great progress. Frequency converters have been widely used in ...[Details]
Analog electronics
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