A circuit I drew recently had some problems and needed to be modified. The modification work was done by someone else. I looked at his drawings. I thought about it. I dare not comment on his level. I
I want to use batteries to power the circuit board, but considering the working time, the capacity of one battery is not enough, and there are many hidden dangers when multiple batteries are connected
[size=3][b]Question 1: Traditional light sources emit light in all directions, so only half of the light energy can be used. Even if the light reflector is used, only 70% of the light energy can be us
In learning, teachers are a very critical link. This is certainly no exception for embedded learning. Therefore, in embedded learning, teachers are one of the most important factors. What kind of teac