Simple-Arduino-Timer

Table of content

• Demo
• Features
• Hardware
  • Components
  • Circuit Diagram
• Software
• API docs

Demo

Features

• Supports up to 8 relays
• 8 individual weekly timers
• Each timer can run multiples relays
• Each timer can run for a duration of up to 24 hours
• Utilizes RTC to keep track of the current time and date

Hardware

Components

• 1 x Arduino Uno
• 1 x 16x2 I2C LCD
• 1 x DS1307 RTC
• 1 x 8 channel relay board
• 4 x Push buttons
• 4 x 10k ohm resistors
• 1 x 5v power supply

Circuit diagram

Component list and diagram on Circuito.io

Software

Dependencies

1. RTClib by Adafruit: install from the Arduino Library Manager
2. Adafruit_BusIO - (will be installed automatically with RTClib)
3. LiquidCrystal_I2C by Frank de Brabander: install from the Arduino Library Manager