Make sure the cable is not for a modem. Pin 2 on one end goes to Pin 2 on the other, the same for pin 3.
Test PC serial port by jumping PINs 2 and 3 with a 10K and use a terminal to see if you get an echo.
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Make sure the cable is not for a modem. Pin 2 on one end goes to Pin 2 on the other, the same for pin 3.
Test PC serial port by jumping PINs 2 and 3 with a 10K and use a terminal to see if you get an echo.
Dave
Always wear safety glasses while programming.
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