Question: how to connect push button to led?
Answer: 220 ohm resistor connect to LED's long leg (+) [00:38] the wire connect to resistor's other leg. [00:54] wire connect to digital pin 2 from resistor. [01:05] The button attach to board. [01:28] 10K resistor connect to button leg. [01:36] wire connect to resistor leg, after that wire connect ground from resistor. [01:44]