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 ...
introduction
There are many methods for measuring capacitance. However, only the computational capacitance method is suitable for automatic online measurement. The DC charge and discharge
...[Details]
Ultrasonic motor (USM) has many advantages, such as being able to directly output low-speed high torque, fast transient response (up to ms level), high positioning accuracy (up to nm level), and no el...[Details]
1. System overall plan 1.1 Overall design diagram As shown in Figure 1, the inverter system consists of a boost circuit, an inverter circuit, a control circuit, and a feedback circuit. The low-voltag...[Details]
0 Introduction
With the improvement of people's living standards, the consumption structure has undergone tremendous changes, and the proportion of consumers' entertainment expenditure in total expe...[Details]
For a long time, many cable fault measurement methods and instruments have emerged. These methods and instruments are suitable for different fault conditions and have their own advantages and disadva...[Details]
Support Vector Machines (SVM) are proposed based on the minimization principle in statistical theory. The discriminant function obtained from limited data can obtain a smaller error for indepe...[Details]
OPPO has officially announced that the next-generation Find X flagship series will be the first to be equipped with the MediaTek Dimensity 9000 mobile platform, and its CPU performance is expe...[Details]
I always can't remember. Whenever I hold a single-chip computer, I always have to look up information in books. I put it here for later reference.
40: VCC power supply +5V
20: VSS ground ...[Details]
The statement that H.265 will replace H.264 is too absolute. After all, the upstream and downstream monitoring products supporting H.264 are already mature. At present, there is no urgent need for H....[Details]
In order to improve Fluke's feedback efficiency on user issues, improve its ability to solve user problems, and at the same time allow more users to have a clearer and more intuitive understanding of...[Details]
LiDAR: Autonomous driving from the perspective of optoelectronic technology LiDAR and competing sensor technologies (camera, radar, and ultrasonic) intensify the need for sensor fusion and the need...[Details]
Inverter harmonics are high-order harmonics generated in the input and output circuits during the inverter operation, when the input power needs to be inverted by high-power diode rectification (or...[Details]
Brazil remains undecided on whether to cooperate with Huawei on 5G. According to Reuters, the top US diplomat in Brazil said in an interview with Brazil's O Globo newspaper that Brazil would bear the...[Details]
Samsung Electronics released a report revealing that its sales of ultra-large TVs have seen significant growth. In the first three quarters of this year, sales of TVs 80 inches and above climbed 15...[Details]