AnsweredAssumed Answered

AT COMMAND MODE sp1ml hyperterminal

Question asked by TARHAN SAMAH on Nov 15, 2017
Latest reply on Jan 29, 2018 by Mike Kay

ok now i got the firmware and download the binary to the sp1ml using st-link , looks it is downloaded , now i want to test the AT COMMAND mode using the hyperterminal , first let me tell you the hardware connections pins :

-SHDN  connected to 3,3v , always power up 

-mode0 to 0, it is command mode

-vdd 3,3v 

-gnd to gnd 

-rx of spirit to tx of hyperterminal 

-tx of spirit to rx of hyperterminal 

-reset to button 3,3v to 0volts



i use baudrate 9600 and CR after sending :

,  i opened hyperterminal after reset i got '?',   so i entererd to command mode '+++' no answer , i tried AT nthg comes from spirit,??? is there something i missed