Component | Specification |
Microcontroller | Arduino Uno R3 |
LCD | LCD 16 × 2 with I2C |
Relay | SRD-05VDC-SL-C |
GSM | The GSM/GPRS A6 |
Keypad | 4 × 4 keypad |
Step-down transformer | Center-tapped 220/12 V/2 A |
Voltage Regulator | 7812, 7805 |
Resistors | 10 kΩ, 1 kΩ and 200 Ω |
Capacitors | 2200 µF |
Bulb | 7 W |