How to choose lighting for home decoration lighting

In the past, in the home decoration, I did not pay much attention to the decorative effect of the lights. They were all one house, one lamp or one room, one light, monotonous and boring, and only played the role of general lighting. Now people

Design of smart home system based on ZigBee technology

Smart home is based on residential platform, using integrated wiring technology, network communication technology, security technology, automatic control technology, audio and video technology to integrate home life related facilities, and build efficient management system for residential

Impedance in sound

Impedance: It refers to the ratio of the voltage and current of the speaker input signal. The input impedance of the speaker is generally divided into two types: high impedance and low impedance. Those higher than 16Ω are high impedance, those lower than 8Ω are l

The sudden emergence of Lenovo in the commercial AIO market

Commercial all-in-ones such as a rising star are being favored by commercial customers. Lenovo's commercial all-in-ones can set a new benchmark for the all-in-one market in terms of space, performance, cost, functionality, and design. Lenovo, as a leader i