"Festoon" just means it's a tubular, double-ended bulb. There are many different ones. What bulb type (number) is specified for this lamp on-Virgil- Today, 08:05 PM
Your image links are all broken-- looks like you selected a "just in time" link for them instead of the permanent link: http://www.nifty-stuff.com/wp/wp-admin/admin-ajax.php?action=imgedit-Alaric Darconville Today, 07:57 PM
I modified it before.
the 3.3V converter also drives a Neutral White 5050