I bought an automatic mobile phone cleaner during a previous event. After a long wait, JD.com delivered the item to my company over the weekend. I unpacked it in the morning to take a look.
I thought
As shown in the figure above, the pmos tube is used to control the switching of the two power supplies: when the external VDD_5 is powered, the 3.6v lithium battery is not powered; when the external V
After seeing the news that the TI Points Store will be closed at the end of the year, I would like to ask: Can I still watch the videos in the TI classroom? Will it also be closed? If so, it would be
RFID wireless radio frequency identification technology uses radio frequency to exchange data in a non-contact two-way communication to achieve the purpose of identification. Compared with traditional