Hitachi HD44780 LCD module

Hitachi HD44780 LCD module

Hitachi HD44780 LCD module For Display Hitachi HD44780 based character LCD modules are used. LCD interacing have many applications in microcontrollers based projects. The HD44780- …

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relay

Relay working and types

A relay is electro mechanical switch which is controlled electrically.  It is used for isolation of two circuits having different operating voltages.  For example we …

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