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17th August 2009, 04:52 AM
| #1 |
 dtmf decoder
i wnt to make a robotics project.i want to control my car from mobile in which two stepper motor and 8051 are used please send ne only the circuit diagram nd discription of dtmf decoder 8870. my email id is balwinder124@gmail.com nd balwinder.saini18@gmail.com | |
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20th August 2009, 01:20 AM
| #2 |
Any decent uC, including AT89S52 will let you do both encoding and decoding of DTMF.
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20th August 2009, 05:52 AM
| #3 |
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circuit for 8870 is present in the datasheet itself. the output is digital bits so it can be directly connected to the uC.
__________________ Its not the Practice that makes a man perfect. Its the Man who makes the practice perfect ----- Pradeep K. Shima ----- | |
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| Tags |
| decoder, dtmf |
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