GSM/GPRS shield, LCD and Keypad

Hi, i'm currently making a community base project, it is a phone like device that could send sms, problem is i need to input the number using keypad membrane, everytime i press a key, the previous key is being replaced, please help me!

everytime i press a key, the previous key is being replaced

You need to save the key data in an array. It's obviously your code that's faulty. But, since you didn't post it, don't expect help.

thanks, just needed an answer, :slight_smile: :slight_smile: i don’t want to be branded as one of those “do my project” guys =)