· Dopod 818Dopod 818 ( InformationArticlePriceReview ) Reference price: 3890 yuan/Beijing Jienji CompanyIf the beauty of the previous phones lies in their exterior, the beauty of the Dopod 818 lies in...
[i=s]This post was last edited by elec32156 on 2021-9-6 15:52[/i]As shown in the figure, this is the internal circuit of a 4-channel ESD protection device TPD4E001 and the application circuit of an ex...
I looked up Knowles online and it seems to be a well-known company. I took a fancy to their ultrasonic microphone SPU0410LR5H. I looked up ultrasonic on the official website and found this model. I al...
RT, I'm curious about the black glass face recognition attendance machines. What kind of sensors do they use to determine if there is someone in front of them? If the camera is turned on all day for f...
Dear netizens: I saw on the Internet that a company in North America has developed a one-cent RFID tag. This will be a great boost to the popularization of RFID. Although it cannot be applied on a lar...
Should the filter capacitor and bleeder resistor in the circuit be placed before or after the anti-reverse polarity diode?
What will happen if a capacitor of several μF is placed before the reverse-co...
This article was supported by the National Natural Science Foundation of China Innovative Research Group Science Fund.
作者：沈沉1,2，贾孟硕1，陈颖1,2，黄少伟1,2，向月2
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