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The CH375 chip provides a universal passive parallel interface, including: 8-bit bidirectional data bus D0 ~ D7, read strobe input pin RD, write strobe input pin WR, chip select input pin CS, interrupt output pin INT and Address input pin A0. The CH375 is connected to the microcontroller data bus in a bus mode and coexists with multiple peripheral devices. The MCU generates the chip control CS and the address line P68 (connected to the A0 pin of CH375) through RD and WR high address decoding to complete the communication with CH375. The external expansion USB circuit is shown in the figure.
PCR instrument external expansion USB circuit
The utility model discloses an Electronic Cigarette with atomizer oil core separation structure, which comprises a atomizer assembly and a battery assembly; The utility model has the advantages of reasonable structure design and high practicability. During operation, because the oil storage tank of the atomizer is completely sealed and the oil guide material is completely isolated from the oil guide material, the oil guide material will never contact with the oil guide material in the storage process
Advantages:
Oil core separation, Mesh removable heating core, Ultra quiet design,100% oil leakage free, Excellent taste, Cost far less than the industry price.
A variety of colors and finishing are available, can be adjusted according to your market needs.
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Shenzhen MASON VAP Technology Co., Ltd. , https://www.masonvap.com