1 Overview
In recent years, mobile communications have been rapidly developed and popularized in my country, and the transmitter and receiver technologies of wireless communications have also develope
1. Introduction At present, the outdoor unit, access control video intercom and access control of mature smart home systems almost all use analog signals. When installing, a dedicated network needs to
Sometimes, on the monitor screen, there will be several equally spaced vertical lines. The frequency of this interference signal is basically an integer multiple of the line frequency. If you use an o
MYB-YT507H provides a 40-pin header with a 2.54mm pitch, interface J25. Through the TWI interface,
Use the PCF8575 chip with a 16-bit quasi-bidirectional input/output (I/O) port to expand the general
The strongest perpetual calendar source code V2.0: 1. Support all MCUs, ARM, AVR, MSP430, PIC, etc. (support C development) 2. Can be embedded in any standard C compiler BC++, VC, ADS, KEIL, etc. 3. S