diff --git a/README.md b/README.md
index 7e67007..c75759a 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ A debug console for serial TTL. This can be used to work with serial TTL directl
 | [FeatherWing Proto](https://www.adafruit.com/product/2884) | 1 | $4.95 |
 | [2x20 pin IDC Box Header](https://www.adafruit.com/product/1993) | 1 | $0.75 |
 | [GPIO Ribbon Cable for Raspberry Pi](https://www.adafruit.com/product/1988) | 1 | $2.95 |
+| [Header Kit for Feather](https://www.adafruit.com/product/2886) | 1 | $0.96 |
+| [I2C Non-Volatile FRAM Breakout](https://www.adafruit.com/product/1895) | 2 | $9.95 |
 
 ## Hardware Docs
 
@@ -21,6 +23,8 @@ A debug console for serial TTL. This can be used to work with serial TTL directl
 
 ## Implementation (Incomplete)
 
+- Main board has FRAM break out for configuration persistence
+- Converter board has FRAM break out for configuration persistence
 - Setup 2nd feather + proto board as a 40 pin socket
 - 2nd feather acts as a mux between different rpi uarts (0 and 1 and 5 in particular)
 - 2nd feather talks via qwiic connector over i2c to main board
@@ -28,6 +32,7 @@ A debug console for serial TTL. This can be used to work with serial TTL directl
   - Note this on the UI
 - Fall back to internal uart pins if no expander is present
   - Note this on the UI
+- Adapter board falls back to saved config *and* goes into stand alone via usb port *if* it's not seeing the main board
 - Main board startup shows connection setup + waits for OK prompt via main hat switch
 - Main board has a status bar @ bottom with battery level, selected uart, selected speed
 - Main board does simple display of serial in/out via lcd