What is Your setup?
If You follow the advice in the link below You will get good answers.
Link : How to get the best out of this forum - Using Arduino / Project Guidance - Arduino Forum
Note the request for code and schematics.
What is Your setup?
If You follow the advice in the link below You will get good answers.
Link : How to get the best out of this forum - Using Arduino / Project Guidance - Arduino Forum
Note the request for code and schematics.