Stop at the red light and go at the green light. This is what we have known since childhood. Any mode of travel needs to rely on traffic lights, that is, the traffic lights we often say Traffic lights maintain traffic order, so its stable operation is very important. Power failure will not only lead …
Continue reading Where does the traffic light come from? Do you want to pay the electricity bill?
Tag:power
Why does the mobile phone remind you to charge when its power reaches 20%? Here is the truth!
Nowadays, people use mobile phones more and more frequently. Leisure, office and daily communication are inseparable from it. Therefore, the battery life of mobile phones has become particularly important. The warning tone of insufficient power is particularly “harsh”. I believe many small partners have such questions: why should they remind to charge when the power …
Continue reading Why does the mobile phone remind you to charge when its power reaches 20%? Here is the truth!