diff --git a/.gitignore b/.gitignore
index 5dac9f5..ffb66c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,8 @@
 .piolibdeps
 .clang_complete
 .gcc-flags.json
+bin/
+include/
+lib/
+local/
+share/
diff --git a/README.md b/README.md
index d95a82e..48af0fd 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,15 @@ Soundboard (computer program), a web application or computer program with button
 tbd
 
 ## Build
-tbd
+```bash
+git clone https://dev.xd0.de/hendrik/soundboard.git
+cd soundboard
+virtualenv .
+source bin/activate
+pip install -U platformio
+platformio run
+platformio run -t upload
+```
 
 ## ToDo
 * Prototype