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GSM based IOT device programme

Smart Portable Electric Board

An electric board which enables you to control your home appliances far from home. This is an IoT device to make home smarter. This is our first prototype. Video Preview - https://drive.google.com/file/d/1p9NIu56NuiJvuRx7MYno8UnidGFYKtBa/view?usp=sharing

Features

  • Easy to install
  • SMS controlled fan, bulb, etc.
  • Automatic fan speed controlling
  • Motion controlled stair lights

Technology Used

  • Arduino Nano/Uno
  • GSM Module (SIM900A)
  • PIR (Motion Sensor)
  • DHT11 (Temperature Sensor)

Instruction To control appliances

  • Send SMS to the inserted SIM in GSM module
  • Use only the given commands (Mentioned in the file)

Block Diagram

Images

Pin Description :

Sl No. Description Pin
1 Rlay 1 (Bulb 1) 4
2 Rlay 2 (Bulb 2) 5
3 Rlay 3 (Bulb 3) 6
4 Rlay 4 (fan 1 ) 7
5 Rx(Arduino) 3
6 Tx(Arduino) 2
7 Temperature pin 12
9 PIR Pin A2
10 Mode 1 11
11 Mode 2 10
12 Mode 3 9
13 Mode 4 8

Note:- Pin description will not change if you use Arduino uno

Commands for various operations (Send SMS)

Sl No. Command Description
1 b1on Turn on bulb 1
2 b1off Turn off bulb 1
3 b2on Turn on bulb 2
4 b2off Turn off bulb 2
5 b3on Turn on bulb 3
6 b3off Turn off bulb 3
7 b4on Turn on bulb 4
8 b4off Turn off bulb 4
9 f1on Turn on fan 1
10 f1off Turn off fan 1
11 all on Turn on all appliance
12 all off Turn off all
13 pir=on Activate PIR sensor
14 pir=off Deactivate PIR sensor