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In this project you can see how to make keypad .

you need :

button

pcb board

some wire

.In this project you can see how to make keypad and to control with arduino (to make password, control servo with password etc) using simple button

3. some wire Its simple project juct you need to connect button. to see how to connect button see the photo . 1.connect pin 1 of button 1 to pin1 of buton 3 . (one pin on keypad). 2.connect pin 1 of button 2 to pin 1 of button 4. (two pin on keypad). 3.connect pin 2 of button 1 to pin 1 of button 3. (three pin on keypad).

4.connect pin 2 of button 2 to pin 2 of button 4. (two pin on keypad).

for all project go to http://best-circuit.blogspot.com/

Step 1:

<p>Don't click <a href="http://www.arduinoo.tk" rel="nofollow">www.arduinoo.tk</a> !!!!<br>It leads to a bogus, lottery page. This whole instructable should be reported.<br></p>
<p>sorry but my page is block </p>
<p>Ah, ok. It seems to work again, cool.</p>

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