The entire topology diagram is as follows
Two switching power supplies, each with its own load. Originally, the two grounds were independent of each other, but now there is interaction between load mo
[size=4] Some issues that should be noted during hardware debugging. For example, before hardware debugging, the circuit board should be carefully checked to see if there is a short circuit or open ci
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