GSM BASED SWITCH/CELL PHONE BASED SWITCH WITH MOBILE APP IN INDIA

Mobile APP WE REALSED... No need to remember codes just easy use.... The GSM-AUTO is a GSM remote control switch, it connects to the cell phone network and like a cell phone has its own cell phone number. The GSM-AUTO is activated by Sending SMS to its cell phone number, it will recognise an authorised telephone number It has 6 independent relay switches with normally open and normally closed switch contacts, these can be programmed to switch on and Off By Sending SMS R1 R2 R3....  The relay switches can also be switched on or off by sending the GSM-AUTO a sms text message command. It can report the relay status by sending back a text message. Applications   Applications are endless and include the remote control of heating and air conditioning