GSM BASED RELAY BOARD - Control relays using Mobile sms
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Hi, I am embedded system developer. I have worked on similar projects. Let me know about your GSM-Relay project in detail. May be I can help here. If you have any questions here please ask.
Working in IoT Domain from previous 5-Years it's very small project for me. We can make it cost effective with latest GSM based modules which I have.