The filter is one of the essential key components in the RF system. It is mainly used for frequency selection - allowing the required frequency signal to pass through and reflecting the unwanted inter
GPIO operations can be performed through the sys file system interface. When the file system operates GPIO, you must first check whether the GPIO you want to operate is occupied by other drivers. If i
There have been posts before that reflect that when performing UART testing, since the UART interface on the board does not provide power to the development board, two USB cables are required, one for
Recently, Japan's Toshiba Corporation has manufactured a 128MB output capacitor-free DRAM chip on an SOI (epitaxial silicon on insulator) wafer and is testing the chip. Toshiba reported the design an
Apple issued a statement apologizing for its decision to slow down older iPhones to protect battery stability, saying it would not intentionally shorten the life of any product. At the same time, it p