Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
28
Hardware required
Material diagram
Material name
Number
Button
1
10KΩ resistor
1
USB Cable
1
UNO R3
1
Breadboard
1
Jumper wires
Several
Connection diagram
Connect three wires to the board. The first two, red and black, connect to the two long
vertical rows on the side of the breadboard to provide access to the 5 volt supply and
ground. The third wire goes from digital pin 2 to one leg of the pushbutton. That same leg
of the button connects through a pull-down resistor (here 10K ohm) to ground. The other