diff --git a/README b/README
index 8f2bc1f..2e83fe4 100644
--- a/README
+++ b/README
@@ -1,6 +1,26 @@
 Ben Blinkenlights
 =================
 
+This is an umbrella project for various items related to using the 8:10
+card slot of the Ben Nanonote. The "flagship" sub-project is no longer
+the top-level LED board but the Universal Breakout Board, in ubb/
+
+  .		The original blinkenlights, a board with a line of LEDs
+  cam/		Outline of the board; obsolete
+  ext/		UBB variant with ground between signals; obsolete
+  ioscript/	GPIO test pattern generator; experimental
+  libubb/	Helper functions for accessing UBB
+  lpc111x-isp/	In-system programmer for NXP LPC111x MCUs
+  nxuart/	Card with ATmega48 in UART configuration; incomplete
+  swuart-chat/	Software-implemented UART (on UBB)
+  ubb-usb/	Design for hypothetical UBB-based USB host
+  ubb-vga/	VGA output using UBB and minimal circuitry
+  ubb/		The Universal Breakout Board (UBB)
+
+
+Blinkenlights
+-------------
+
 This project is a proof of concept implementation of Rikard Lindstrom's
 idea of using the Ben's 8:10 card slot as a general extension interface
 also for devices that don't speak MMC or SD/SDIO. The application is a