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Active/passive buzzer The picture shows a passive buzzer - it can be clearly seen that there is a "+" on the top of the package and a green circuit board on the bottom; (the passive buzzer in the H...[Details]

Following the software revolution, the open source movement is changing the chip industry. Source: Bloomberg Large technology companies have begun to get involved in RISC-V, which replaces propriet...[Details]

When Xiaomi 9 was submitted to DxOMark for testing, it cunningly set the video shooting quality to 4K by default. After the test results came out, Xiaomi 9 scored first because it set the video quali...[Details]

If cultural "genes" exist, "Tai Chi" thinking is our cultural gene. Even if we have never deliberately learned or mentioned it, it always unconsciously influences the way Chinese people and even Chin...[Details]

1) Design task: Complete the design of the countdown clock. 2) Index requirements (1) Capable of minute-level countdown, with minute and second display. (2) The starting value of the countdown ...[Details]

1. LTC6802-2 Introduction LTC6802-2 contains a 12-bit AD converter, a precision voltage reference, a high voltage input multiplexer and an SPI serial interface. Each chip can detect 12 batteries conn...[Details]

Signal processing generally includes signal preprocessing, A/D conversion and digital signal processing of digital signal processors. Among them, the sound and vibration signals to be detected are ...[Details]

On August 10th, in the ongoing second half of Lei Jun’s 2021 annual speech tonight, Xiaomi released Xiaomi MIX 4, with a starting price of 4,999 yuan. In terms of appearance design, Xiaomi MIX 4 ad...[Details]

Radio frequency identification (RFID) is a contactless automatic identification technology. Its basic principle is to use the transmission characteristics of radio frequency signals and spatial cou...[Details]

DC motor speed control circuit. A pulse oscillator with adjustable duty cycle. The motor M is driven by its output pulses. The larger the pulse duty cycle, the smaller the motor electric...[Details]

In the digital age, we interact with AI more and more frequently. From smart homes to mobile phone applications, AI has been widely used in various fields. Among them, chatbots have been we...[Details]

　　 Selection of the working mode of the switching power supply:  In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]

China Energy Storage Network : In the era of "digitalization + renewable energy", how can energy and power companies prepare for the rainy day and seize the initiative? Under the goal of "car...[Details]

1. Use the method of hardware request and software query: This method is: introduce each connection source into the external connection source input terminal (INT0 or INT1) of the microcontroller t...[Details]

Recently, the first mass production line of all-solid-state lithium batteries in China was officially put into production. This production line was invested and built by Beijing Pure Lithium New Energ...[Details]