[i=s]This post was last edited by paulhyde on 2014-9-15 09:23[/i]
There are still a lot of information about the electronic design competition in the computer. Now I will organize it and share it with
This is an LED lighting lamp with light control function. It does not work during the day and automatically lights up at night. The lamp has 42 high-brightness white light emitting diodes, 3 of which