binu_ji

Hello Friends please visit my website for Free microcontroller projects with source code & Circuit. Connect Nokia 5110 with Microcontroller to control devices. <Website Link Removed> Binu

Use this circuit diagram

Controlling home appliances through mobile is easy now with the serial bluetooth modules. Check here #-Link-Snipped-#

Its already done here #-Link-Snipped-#

You cant process voice through 8051 micros, there are separate voice processors. search in google with HM2007. Its a Speech recognition IC.

You can use a voice recorder/playback IC at the receiver side. an APR9600 can be used. Connect the audio out to the speaker line of the mobile through the Handsfree.

yes its possible to control the Electrical devices through bluetooth from mobile. Check this thread. #-Link-Snipped-# #-Link-Snipped-#

ask google

Use this subroutine to convert HEX to BCD Hex2BCD: MOV R1,#00H ; MSByte MOV R2,#0F0H ; LSByte MOV R3,#00D MOV R4,#00D MOV R5,#00D MOV R6,#00D MOV R7,#00D CALL H2B RET...

Use this circuit for interfacing stepper motor to PC parallel port. Connect it to the data lines of parallel port. Then you can easily control it from your PC through...