diff --git a/uart/Readme.md b/uart/Readme.md
index e9d8723..fb2d612 100644
--- a/uart/Readme.md
+++ b/uart/Readme.md
@@ -1,2 +1,4 @@
 How to connect
-1. Using Raspberry Pi Pico
+1. Using Raspberry Pi Pico (based on https://github.com/sanjay900/ox64-uart)
+- use the picoprobe.uf2 file to program the pi pico
+- connect according to the picture below