The new train reached North East England after it was delivered from Stadler’s facility in Switzerland. Credit: Steve Winters from Pixabay. Metro operator Nexus has received the Class 555 Metro train ...
The popular 555 timer can be used as a PWM/Class-D amplifier for musical instruments or other applications. It can use a wide supply range of 4.5-16V and produce 200mA of drive. The audio is fed to ...
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