GSM Switch Board

GSM switch board
GSM switch board is a remote control switching system using mobile phone and Network.
It is used to control home and office appliance from anywhere in Bangladesh. It has four independent switching relay to turn ON or OFF your equipments (light, fan etc.).

Did you forget to turn OFF your home appliance (light) ? Do you want to turn OFF your home light from your office? Just dial the device number and press "9, 2, 0". Your light will turn OFF.
How to operate:
First dial to the mobile number of this device. Or make voice call to this device SIM number.
This device will automatically receive your call within 2 second.
Now from your handset keypad, press your expected switch number and then action number to control your target switch.

For Example, if you want to turn OFF the 3rd switch (sw no: 3),
first dial 01758866xxx (Device phone number), and after receiving your call press "3" then wait 1 second, then press "0".
now your 3rd switch is OFF and you will heard a short audio tone for confirmation of the process.

If you does not heard the confirmation tone from the device, that means:
Your command or pressed digit is not correct
or Phone network is not perfect.
or the device may be hanged.

If you think that your command is incorrect then you should press "9" to delete all previous command.
Example : press "9" then "3" then "0" (switch 3 is Off)
Specification:
1. Input Voltage : 220V AC
2. Output Voltage : 220V AC
3. Load : Max 200 Watt per Switch
4: Total switch : 5 switch
5. Backup battery : 4v 400mA, Rechargeable.
6. Backup Time : 6 hours
7. Dimension : 16.5cm X 10cm X 3cm.
8. Weight : 600 gm
9. Response time : 300~900 ms



component list :
1. GSM mobile Phone (Modified)
2. Switching Relay
3. 220V-12V Transformer
4. 300mA, 4V Rechargeable Battery.
5. Micro-controller with 8k RAM/Rom

Command List :
digit 2 to 6 for five switches
Digit "1" for turn "ON" and "0" for turn "OFF"
Digit "9" for delete previous command.
Sw-2 (ON) : Press "2" then "1"
or
Sw-2 (ON) : Press "9" then "2" then "1"
Sw-2 (OFF) : Press "9" then "2" then "0"
Sw-3 (ON) : Press "9" then "3" then "1"
Sw-3 (OFF) : Press "9" then "3" then "0"
Sw-4 (ON) : Press "9" then "4" then "1"
Sw-4 (OFF) : Press "9" then "4" then "0"
Sw-5 (ON) : Press "9" then "5" then "1"
Sw-5 (OFF) : Press "9" then "5" then "0"
Sw-6 (ON) : Press "9" then "6" then "1"
Sw-6 (OFF) : Press "9" then "6" then "0"
Note : The switch number 0,1,7,8,*, # is not exist. if you press these value a switch number or
at beginning of command then your command will incorrect and will not execute.


If the device is hanged then Press the "RESET" button to reset the device.
Resetting will turn OFF all switches of the device.