[i=s]This post was last edited by qwqwqw2088 on 2019-5-14 07:58[/i] [size=4]Sandwich winding[/size] [size=4] [/size] [align=center][size=4][/size][/align][size=4] The sandwich winding method has a lon
In life, we often encounter power failures in devices, such as mobile phones, smart bracelets, computers, etc. However, the stored information will not be lost, such as phone numbers, text messages, n
Infrared emission, blocked by an object, reflected reception, output signal to control the relay, and then control the optical drive. Please help me draw the circuit diagram~~~