The communication standard of the radio frequency tag is the basis for the design of the tag chip. At present, the international communication standards related to RFID are mainly: ISO/IEC 18000 stand...
This is the schematic diagram I designed to verify the diode clamping voltage. BT1 is a common KK dry cell or other non-rechargeable battery. The power supply of VCC is an external power supply, any t...
A descriptor is a Python object that implements the methods of the descriptor protocol, which enables you to create objects with special behavior when accessed as attributes of other objects.
In gener...
I need help from all the experts. I have a problem now. How to set the pin as input in the io port and then determine the output level of another pin by judging the high and low levels of the input? I...