I need a board or a arduino (cost madders) must play mp3 from sd card. Controlled with GSM using SMS.
If is possible to play with a cordless speaker at 20m range!
18 freelancers are bidding on average €506 for this job
Visit www.rajvigneshtn.weebly.com and www.edindia.co.in I can do it. Check PMB. I have done a similar project. Check https://www.freelancer.com/projects/carbon-monoxide-detector.html
I have working with Arduino projects the last three years. The type of work described by you is within my skills. I am very interested to assist you in your development needs.