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Access a 4 digit Passcode using joystick module and display the code on 16*2 Lcd interfacing with Arduino uno

Category: Arduino Compatible Kits Tags: 16*2 LCD, Access 4 digit Passcode, Arduino Uno, Joystick Module

Description
Reviews (0)

KIT INCLUDES:

Introduction

In this project, we will make a 4 digit passcode safe lock using the Ps2 joystick module and 16*2 Lcd display. We will move the joystick in x and y direction to increase or decrease the value from 0 to 9 and other to move the joystick in up and downside to move the cursor in both left and right direction which is displayed on the display.

HARDWARE REQUIRED

SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download:https://www.arduino.cc/en/Main/Software

SPECIFICATIONS

Joystick Module

Supply Voltage: 3.3V to 5V
Interface: Analog x2,Digital x1
PH2.0 Interface
Size:35x39mm
Weight:15g

**16*2 LCD**

Standard 16×2 Character LCD
16 Characters Wide x 2 Lines
5 x 8 Dots with Cursor
Built in Controller (HD44780 or equivalent)
+3.3V Power Supply
Backlight Included

PIN DESCRIPTION

Joystick module

10k potentiometer

**16*2 LCD Display**

CIRCUIT DESCRIPTION

NOTE – here we are using a 10k potentiometer but as shown in the figure, the resistor going from 5v and GND to the LCD pin3 V0 replace the 10K potentiometer. You can use 1k ohm from 5v and 330 ohms going down to GND but you may use different resistors or pot depending on the LCD, But for the convenience, we are using 10K pot.

FWLINCAIPWWT9ZA.LARGE.jpg?auto=webp&fram

Joystick Module – Arduino Uno

Joystick module has 5 pins gnd, vcc,vrx,vry,sw

NOTE – Here this switch pin on Joystick must be connected to a digital output pin mode. if not then it doesn’t give accurate readings so best to use digital pin 13 here.

Joystick Module	Arduino Uno
Vcc	5v
Gnd	Gnd
VRx	A1
VRy	A0
SW	13

**16*2 LCD Display – Arduino Uno**

*162 LCD Dsiplay**	Arduino uno
VSS	Gnd
VDD	5v
V0	Middle(Data) pin of 10k potentiometer
RS	12
R/W	Gnd
E	11
D4	5
D5	4
D6	3
D7	2
A	VCC via 820 ohm
K	GND

CODE

Click to see the code or copy the link

https://docs.google.com/document/d/e/2PACX-1vTn_pB0Uge7h7z1bjZBaeOYeHJjFdMH2PJ9EduJs1K7t2dVS7qC87mmCjCImVtW2EpriGhAsLLnWErk/pubhttps://goo.gl/b555XC

WORKING

Plug the supply to Arduino UNO after uploading the code you see the text on display enter the code
Now you enter the code using the joystick movement left to right to change the cursor position
Move the joystick Down and up to change the number.
Now set the number as mentioned in the code (you can change in the code ). Now press joystick after taking in the center position so you can see the REES52 Lock on (You can customize it) password on the LCD display.

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Introduction

HARDWARE REQUIRED

SOFTWARE REQUIRED

SPECIFICATIONS

Joystick Module

**16*2 LCD**

PIN DESCRIPTION

Joystick module

10k potentiometer

**16*2 LCD Display**

CIRCUIT DESCRIPTION

Joystick Module – Arduino Uno

**16*2 LCD Display – Arduino Uno**

CODE

WORKING

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