- Name : clock_number_1
- Title : Arduino Real Time Clock with Alarm and environmental sensors
- Description : Arduino Clock, Features: RTC with battery (real time clock), Time, Date, Alarm, Temperature, Humidity, Pressure, LCD output, Keypad input, Sleep modes, LED LCD lighting (4X) white with dimmer control.
- Author: Gavin Lyons
| Name | Function | Version | Link |
|---|---|---|---|
| Keypad.h | keypad | 3.1.1 | URL |
| SFE_BMP180.h | BMP180 sensor | n/a | URL |
| LCD5110_Graph.h | LCD 5110 | 2.13 | URL |
| dht.h | DHT11 sensor | 0.1.0 | URL |
| DS1307RTC.h | RTC | 1.4.1 | URL |
| Sleep_n0m1.h | Sleep mode | 1.1.0 | URL |
See eagle schematic in "doc" folder.
You will need following parts
Nokia 5110 LCD module
Arduino UNO rev 3 or NANO
Keypad 4x3 (note: I use 4x4 but leave last column unconnected so its a 4x3 in effect)
DS 1307 Real Time Clock module (with battery)
7 X 10K , 1 X 10ohm , 1 X 220ohm resistors
LM35 temperature sensor
BMP180 pressure sensor module
DHT11 humidity Sensor module
one 10K potentiometer
one active buzzer (alarm)
Current Consumption:
- 40mA, Unit On with LEDs on Nokia LCD set to max.
- 26mA, Unit On with LEDs on Nokia LCD set to min.
- 24mA, Above with Nokia LCD sleep mode On.
- 15mA, Above with Atmega328p (Unit) Sleep mode On.
- 1, LM35 sensor data
- 2, DHT11 sensor data
- 3, BMP180 sensor data
- 4, Alarm Show
- 5, Alarm Set
- 6, Buzzer Test
- 7, Display keypad Help information
- 8, LCD screen Sleep mode on/off
- 9, Set date and time
- 0, Unit Sleep mode, wakes at Alarm.
- Asterisk, Alarm Stop
- Hash, LCD screen reset ( In event of LCD problem)