Arduino Forum

Products => Arduino GSM Shield => Topic started by: ehsan8888 on Aug 31, 2015, 11:59 am

Title: how can i start gsm shield
Post by: ehsan8888 on Aug 31, 2015, 11:59 am
I purchase gsm modoul :http://shop.aftabrayaneh.com/Sim900_Gsm_Modem.html?search=gsm
2 year ago and i want start it by arduino uno
but i can not connect it to this module by TTL protocol
please help me