7476, 1 piece each of dual monostable trigger 74123; 2 pieces each of asynchronous decade counter 7490, 2 pieces each of dual 2-bit latch 7475; 2 pieces each of 1.2k resistor and 0.047uF capacitor. 2. Pin diagram
[font=微软雅黑, "][size=14px][size=12pt]The wireless charging electric car charges the farad capacitor through a wireless charging device. After it is fully charged, it is powered by [/size][size=12pt]DC-
Anti-interference and anti-blocking performanceSpread spectrum technology brings many benefits, and anti-interference characteristics are the most important advantages. Because interfering and blockin
Source: csdn
This article will show you how to use UrBackup and Linux Deploy to build a backup server on an old Android phone. The pollution problem of old phones is well known. I have an old phone. A