Warning: This is a prototype, some parts need to be improved.
Window Arduino Alarm using 2 Ultrasonic Sensors.
Menu for the LCD. 0 - STATUS 1 - SETUP ULTRASOUND LEFT 2 - SETUP ULTRASOUND RIGHT 3 - SETUP DISPLAY BACKLIGHT SETUP (also available with a SHORT PRESS on Button 1 in STATUS MENU) 4 - SETUP ALARM TIME (0,1,5,10 Sec) 5 - ALARM ON / OFF (also available with a SHORT PRESS on Button 2 in STATUS MENU)
Hardware connected as follow: , Pin A1 ------o o------ GND Button 1 , Pin A0 ------o o------ GND Button 2
HC-SR04 LEFT
GND ------------------ GND
Pin 7 ------------------ ECHO
Pin 8 ------------------ TRIGGER
5V ------------------ Vcc
HC-SR04 RIGHT
GND ------------------ GND
Pin 5 ------------------ ECHO
Pin 6 ------------------ TRIGGER
5V ------------------ Vcc
LCD CONNECTION
- Pin 2 ------------------- LCD RS
- Pin 4 ------------------- LCD Enable
- Pin 9 ------------------- LCD D4
- Pin 10------------------- LCD D5
- Pin 11------------------- LCD D6
- Pin 12------------------- LCD D7
- GND ------------------- LCD R/W
- Pin 3 ------------------ LCD backlight (check the current, maybe you will need a transistor to drive it)
- 10K resistor: (for contrast control)
- ends to +5V and ground
- wiper to LCD VO pin (pin 3)
Solid state relay (for Alarm control) Pin A3 ---------------- Solid state Relay . (use a reverse diode in parallel with the coil to prevent arduino pin destruction)
EEPROM
0 Backlight 1 Max distance to triger alarm on Left Sensor in cm 2 Max distance to triger alarm on Right Sensor in cm 3 siren time after detection in seconds 4 status of the alarm
##License
All these products are released under Creative Commons Attribution-ShareAlike 4.0 International License.
Todos estos productos están liberados mediante Creative Commons Attribution-ShareAlike 4.0 International License.