KIT INCLUDES:

• Arduino uno with USB cable-1
• DS3231 RTC module-1
• 1 way 5V Relay module-1
• Battery cell for DS3231-1
• Mini breadboard(170 pin)-1
• Jumper wires MALE TO MALE – 40 piece
• Jumper wires MALE TO FEMALE – 40 piece
• Two pin bulb holder-1(not included in kit)
• Led bulb 5v – 1(not included in kit)
• Single stand wire 2m - 1

HARDWARE REQUIRED

• Arduino Uno with USB cable-1
• DS3231 RTC module-1
• 1 way 5V Relay module-1
• Mini breadboard(170 pin)-1
• Jumper wires MALE TO MALE – 40 piece
• Jumper wires MALE TO FEMALE – 40 piece
• Two-pin bulb holder-1(not included in the kit)
• Led bulb 5v – 1(not included in the kit)
• Single stand wire 2m - 1

SOFTWARE REQUIRED

Arduino IDE ((Programmable platform for Arduino boards)

You can download it from this link: https://www.arduino.cc/en/Main/Software)

SPECIFICATION

PIN DESCRIPTION

• 5V 1- CHANNEL RELAY

• Number of I/O Channels: 1
• Type: Digital
• Control signal: TTL level
• Max. Allowable Voltage: 250VAC/110VDC
• Max. Allowable Power Force: From C(800VAC/240W), From A(1200VA/300W)

• DS3231 RTC MODULE

INSTALL LIBRARY

http://www.rinkydinkelectronics.com/library.php?id=73

Click on the link given above to download the DS3231 library

CIRCUIT DESCRIPTION

1. Connect Arduino ground to ds3231 ground and relay’s ground
2. Connect Arduino 5v to ds3231 VCC and relay VCC
3. Relay in pin to Arduino digital pin 4
4. Arduino SCL to ds3231 SCl and SDA to ds3231 SDA
5. Lamp NEGATIVE to OUTPUT 220v lamp POSITIVE to OUTPUT of relay output
6. No relay output to o/p 220v

CODE

https://docs.google.com/document/d/e/2PACX-1vQpYyIFLWTuTpdsnpYaQOOAsmK5FoM0UhBgLrmviGBVkKo6fjiMk4XKlNegpf2OB8QlgARvuo8wZTS7/pub

WORKING

In this ds3231 RTC module, it will switch on and switch off the bulb with the help of 1 way 5V relay module in real-time

As we programmed.