[align=left][font=宋体]Whether we use a three-phase three-wire or three-phase four-wire meter is determined by the user's incoming line and the nature of electricity consumption. [/font][font=宋体]Now man...
Application of LM567 Universal Tone Decoder Integrated CircuitSource: http://www.qlmcu.com/ 567 is a universal tone decoder. When the input signal is within the passband, a saturated transistor is pro...
[size=14px]A minimum system should include the following parts to be able to be used normally: [/size] [size=14px][b]Power supply, reset circuit, clock, BOOT circuit, debug interface, firmware downloa...
[align=left][color=rgb(51, 51, 51)]The complete PCB we envision is usually a regular rectangular shape. Although most designs are indeed rectangular, many designs require irregularly shaped circuit bo...