Adam Sampson's si570 bookmarkshttps://bookmarks.offog.org/ats/si570Adam Sampson2009-10-16T21:08:19ZK5BCQ kitshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.qsl.net%2Fk5bcq%2FKits%2FKits.html2009-10-16T21:08:19ZAnother Si570-based VFO kit, this one using an 8-pin MCU and a serial LCD display. They sell the displays too (cheap!).SDR-Kitshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.sdr-kits.net%2F2009-10-16T21:06:34ZUK supplier of (currently a rather limited selection of) Softrock kits, and Si570-based VFOs.Dr Andrew Smithhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fg4oep.atspace.com%2F2009-10-04T14:27:02ZThe SI570-based VFO is particularly interesting.