What is the priciple of the digital tube?

On 2019-01-22 16:49:17 in Photoelectric

What is the priciple of the digital tube?

This article describes the basic principles of the digital tube ...

What is an buzzer and speaker?

On 2019-01-21 16:58:01 in Generally electronic component

What is an buzzer and speaker?

This article describes the buzzer and speaker. ...

Common switch and automatic switch: relay

On 2019-01-21 16:53:38 in Generally electronic component

Common switch and automatic switch: relay

This article briefly introduces the common switch and automatic switch: relay ...

What is a triode and how to identify its pin?

On 2019-01-21 16:50:52 in Knownlege

What is a triode and how to identify its pin?

This article describes what is a triode and how to identify its pin ...

How to make a fast battery charger?

On 2019-01-21 16:38:37 in Technology

How to make a fast battery charger?

This article describes how to make a fast battery charger ...