Change LEDs Between LEDs Using OneShield

when you press on a key green led turn on

and when you press to another

key red led turn on and other will be off

and so on

Step 1: Buy OneShield

*one-Shield

you can buy from this web

http://1sheeld.com/

Step 2: LEDs

get LEDs different colors

RED

GREEN

YELLOW

WHITE

Step 3: Get Wires

jumper wires

Step 4: Connection

connect LEDs with

Pins 8, 9, 10, 11 in arduino

Step 5: SCHEMATICS

connect LEDs as shown

Step 6: Install One-shield App From Store and Connect to Board

install one-shield App from Store and connect to Board

for more info go to

link: http://1sheeld.com/tutorials/getting-started/

upload code on board Choose Keypad

Step 7:

When you press button A yellow LED will on

When you press button B green LED will on

When you press button C White LED will on

When you press button D Red LED will on

Step 8: Upload Code

go to code here >>>

code of project