GSM BASED RELAY CONTROL NEW VERSION WITH DTMF

GSM based Relay control unit with DTMF enabled. Now you can control the relays from a mobile phone or a landline phone. Secure mode , as only registered users can control the relays. Confirmation SMS on status of relays received back . Buy LINK : https://www.alselectro.in/product-page/gsm-based-6-relay-board-dtmf-enabled 3 Phase GSM Motor control : https://youtu.be/iQhITvLEzzA single Phase GSM MOTOR CONTROL : https://www.youtube.com/watch?v=rqoFtRZ8qNc Tamil version video : https://www.youtube.com/watch?v=k1DrJQTkxe0