Kastle 2 Wave Bard
Release Notes 

kastle2-wave-bard-1.5

Changes:
- Added Citadel compatibility
- Audio doesn't produce clicks when retriggering a sample
- Scale and Root settings are auto-saved
- Better mix of external & internal audio (not halving when ext. signal connected)
- ENV output now correctly copies the volume envelope
- The lowest two MIDI octaves (notes 1-24) now play samples in their original pitch

To check the firmware version, listen to the audio output and boot Kastle 2
into the Test Mode: Hold BANK button and turn power ON.
A voice will announce the version.

How to update:
1) Connect Kastle 2 with a USB-C cable to your computer
2) Turn OFF the power switch (left)
3) Hold SHIFT and turn ON the power switch (right)
4) Kastle 2 will boot to the update mode (no sound)
5) Copy the firmware .uf2 file to the RPI-RP2 disk showing on your computer