This is a very useful full duplex SMS ALARM SYSTEM which can control devices miles away. This SMS ALARM SYSTEM will detect inputs & send SMS’s to the users mobile & also it will receives users SMS’s & turn on separate relay outputs very accurately. The project can be applied as a home security SMS alarm system functioning both ways with an acknowledgement. The design used an old Nokia 3310 mobile communicating with PIC 16F628A micro controller.
Features
* High Speed Nokia FBUS Ver2 Protocol Implementation
* 4 Channel Sensor Inputs
* 4 Channel Relay Outputs
* SMS Status LEDs
Operation
There are 4 inputs & 4 outputs. You can connect 4 sensors to these inputs ex: PIR sensors, Panic Switches, magnetic window contacts etc…..& for the 4 relay outputs you can connect buzzers or electric door closers etc….
When any of the inputs get triggered then the controller circuit will send an SMS to the users mobile phone (users mobile number pre programmed to the micro-controller).Ex: “AL ZONE 1” alarm alerting message will send to the users mobile notifying that in the zone1 has been activated.
When any of the input triggers the “Input Presence” LED will light up. After a short while an alerting SMS will sent to the user. If the SMS successfully sent then the “SMS Sent” LED will lights up for a short time. If the “SMS Send Fail” LED lights up then the SMS has not sent by the controller circuit. This happens due to network busy or no signal conditions.
When the user receives any of these alarm SMS messages ex: “AL ZONE1”, “AL ZONE2”, “AL ZONE3”, “AL ZONE4” you can send an SMS & control any relay in the SMS alarm controller circuit. If you send back an SMS “RL ZONE1” the alarm system controller circuit will automatically receives this SMS & turn on the Relay1.Likewise you can control all 4 relays in the alarm system controller.
When the controller circuit receives an SMS it will indicate in the “New SMS” LED telling that there is a new SMS alert. But it will take the action by reading the proper message sent by the user.
Features
* High Speed Nokia FBUS Ver2 Protocol Implementation
* 4 Channel Sensor Inputs
* 4 Channel Relay Outputs
* SMS Status LEDs
Operation
There are 4 inputs & 4 outputs. You can connect 4 sensors to these inputs ex: PIR sensors, Panic Switches, magnetic window contacts etc…..& for the 4 relay outputs you can connect buzzers or electric door closers etc….
When any of the inputs get triggered then the controller circuit will send an SMS to the users mobile phone (users mobile number pre programmed to the micro-controller).Ex: “AL ZONE 1” alarm alerting message will send to the users mobile notifying that in the zone1 has been activated.
When any of the input triggers the “Input Presence” LED will light up. After a short while an alerting SMS will sent to the user. If the SMS successfully sent then the “SMS Sent” LED will lights up for a short time. If the “SMS Send Fail” LED lights up then the SMS has not sent by the controller circuit. This happens due to network busy or no signal conditions.
When the user receives any of these alarm SMS messages ex: “AL ZONE1”, “AL ZONE2”, “AL ZONE3”, “AL ZONE4” you can send an SMS & control any relay in the SMS alarm controller circuit. If you send back an SMS “RL ZONE1” the alarm system controller circuit will automatically receives this SMS & turn on the Relay1.Likewise you can control all 4 relays in the alarm system controller.
When the controller circuit receives an SMS it will indicate in the “New SMS” LED telling that there is a new SMS alert. But it will take the action by reading the proper message sent by the user.
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