Modem PIC
Tx -----------X-----------------Rx
Rx ------X----|-----------------Tx
| |
1k 1k
| |
PC |----|
Rx-------X---X
Hope this helps you understand.
Ioannis
Re: gsm modem with 16f877a
Modem PIC
Tx -----------X-----------------Rx
Rx ------X----|-----------------Tx
| |
1k 1k
| |
PC |----|
Rx-------X---X
Hope this helps you understand.
Ioannis
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