diff --git a/README.md b/README.md
index ed84cd3..87cd0d0 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,14 @@
 This code is experimental.
+
+``` bash
+docker run -v /scratch/kmk_firmware:/opt/kmk_firmware --rm -it --entrypoint=/bin/bash python:latest
+cd /opt
+wget https://adafruit-circuit-python.s3.amazonaws.com/bin/mpy-cross/mpy-cross.static-amd64-linux-8.0.5
+chmod a+x mpy-cross.static-amd64-linux-8.0.5
+./mpy-cross.static-amd64-linux-8.0.5 --help
+mv mpy-cross.static-amd64-linux-8.0.5 /usr/bin/mpy-cross
+mpy-cross --help
+cd /opt/kmk_firmware
+python util/compile.py
+cp ~.compiled/kmk~ folder -> mcu
+```