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arduino based digital compass

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arduino based digital compass using cmp03 compass sensor

digital compass using cmp03 sensor

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sample code for compass in assembly SEND_START: ; SETB _2W_BUSY ; INDICATE THAT 2WIRE ; OPERATION IN PROGRESS CLR ACK ; CLEAR STATUS FLAGS CLR BUS_FAULT ; JNB SCL,FAULT ; CHECK FOR BUS CLEAR JNB SDA,FAULT ; BEGIN START CONDITION SETB SDA ; LCALL SCL_HIGH ; SDA CLR SDA ; ; LCALL DELAY ; SCL ^START CONDITION CLR SCL ; RET ; FAULT: SETB BUS_FAULT ; SET FAULT STATUS ...