Sorry if I am posting on the wrong list.
 
I have problem with the hardware (http://www.lirc.org/receivers.html).
1. what is the w for the 4K7 (resistor)? 1/4w, 1/2w, or 1w?
2. what is the v for the 4.7uF capacitor? 50V, 100V?
 
Thank you for the help.
 
Terence Kwan