SparkFun Forums 

Where electronics enthusiasts find answers.

Tips and questions relating to the GPS modules from SFE
By MontanaTrout
I got the rs232 sparfun gm862 eval borad. after plugin and power on, there is a green flash. I open the hyper terminal and set 8N1 9600. I type "AT" but "AT" not show on the hyper termnial. I removed the RS232 cable, I got the same result. Why I losed GM862 modem? Did I miss anything during the setup?

By falingtrea
Some wireless modules will not respond because they are set up in hardware flow control mode. Try changing hyperterminal flow control.
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