Event time: From now until July 24Event process:1. Click the "Check-in now" button below to enter the pop-up store and start the event;2. Click on the 4 check-in points in the pop-up store, follow the
I. Overview
Continuously improving the communication capacity and quality of the communication system is the eternal theme of wireless communication. With the rapid development of wireless communicati
Measure the output waveform of an 8 MHz active crystal oscillator. As shown in the figure, the dark yellow square wave is the output waveform. 1. How are the oscillations at the upper and lower edges
With the popularity of smart homes, sweeping robots have become the new favorite of young urban white-collar workers and have been promoted to one of the three essential household appliances. Sweeping
1. To configure a serial port, it is omitted here.2. To configure and use printf,just add the following redirection code:
//Support functions required by the standard librarystruct __FILE{int handle;}