Forum >sim900 error
sim900 error

Hello everyone
I have module GSM https://www.dfrobot.com/product-969.html
I use Bluno Mega 2560. the wire not use gadgeteer.
I use pin 5V, G, TX, RX and poweron to connect Bluno
The problem is a modem can not work. can help me what arduino library use and this module can use in Bluno or not.
Thank for you help
I have module GSM https://www.dfrobot.com/product-969.html
I use Bluno Mega 2560. the wire not use gadgeteer.
I use pin 5V, G, TX, RX and poweron to connect Bluno
The problem is a modem can not work. can help me what arduino library use and this module can use in Bluno or not.
Thank for you help