I recently made a switch with RS485 interface, using TI's SN75LBC184 chip. The schematic diagram is as followsMCU uses serial port to transfer to 485 through hardware circuit. The 485 circuit on the u...
introductionAt present, the research on smart home mainly takes hardware devices equipped with STM32 chips[1] as the central controller. At the same time, most smart home cloud platforms are built on ...
SummaryNoisecan sometimes have unpredictable effects on the DUT. Therefore, if the DUT is sensitive to noise in the DC power supply input, it is necessary to reduce the input noise as much as possible...
As shown below, QFN-10 package, center thermal pad. The heterogeneous pad cannot be drawn. In PCB, use wire to draw the shape, and then convert it to region. When copied to the package editing interfa...
One is that the Olympic Games will be held in Beijing, which will effectively enhance TOM's brand and performance; another is that 3G will be liberalized, and more wireless value-added applications wi...