1. Video intercom without video cable. How to transmit video without video cable? Manufacturers use multi-core shielded cable and use one of the cores to replace the traditional video cable. We know t
The maximum output current of 78l05 is 150mA, and the power consumption is 0.75W. The input can be greater than 7v and less than 30v, but the input voltage should not be too large to avoid excessive p
I feel that the functions of some embedded development boards are almost the same as those of computer motherboards. They have all kinds of interfaces and are full of functions. I suddenly realized th
When we surf the Internet, we often use modulators. This article mainly introduces the application of ST7538 FSK half-duplex synchronous asynchronous modulator.
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:The glass automatic counting system is based on the AT89C2051 single-chip microcomputer. It automatically detects the number of glasses produced by the glass factory and the number of cross-cutting t