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...
This paper introduces the hardware structure and design principle of a unit attendance system based on a new type of automatic identification chip iButtonTM, and gives the working process of the syste...
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;}...
ThinkPad - General solutions to power management problems Applicable models: All ThinkPad A31 Document content: I. General diagnostic methods and solutions to power management problems: 1. Confirm whe...
According to Statista, the Internet of Things (IoT) is poised to become a trillion-dollar industry. The IoT is gaining traction, and its ecosystem is spawning new technologies, products, and applicati...