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Microcontroller › 8051 › LCD based digital alarm clock with digital thermometer using 8051 microcontroller by nikhil
hello i am nikhil ‘i am making LCD based digital alarm clock with digital thermometer using 8051 microcontroller (AT89C51),but can u tel me which type of switch is used i mean 4 leg switch or 2 leg switch…..?n how they are connected……pls reply me soon…….thank you….
Hi
There is hardly any difference between such two switches. Even a four leged switch will work same as two leged the. In a four leged switch, pair of legs on either sides is shorted inside so they are noting but a single point.