diff --git a/README.md b/README.md
index e69de29..619d4d7 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,23 @@
+esp32:
+  board: esp32-c3-devkitm-1
+
+
+|gpio|pin|use|
+|--|--|--|
+|+5v|1|
+|GND|2|
+|3v3 (out)|3|
+|GPIO00|4|SCL
+|GPIO01|5|SDA
+|GPIO02|6|
+|GPIO03|7|
+|GPIO04|8|
+|GPIO05|9|
+|GPIO06|10|
+|GPIO07|11|
+|GPIO08|12|
+|GPIO09|13|
+|GPIO10|14|
+|GPIO18|15|
+|GPIO19|16|
+|GPIO21|18|
\ No newline at end of file