diff --git a/README.md b/README.md
index e9b2e94..ec6f239 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,10 @@ What to hack
     * ? old beamer [patchhoernchen]
     * some controller (raspi, nuc-alike?)
         * ? i can bring a raspi-zero [phelix]
+* ? soldering iron
+    * additional soldering tooling
+        * 3rd hand, wires, paste, etc.
+
 
 
 What the fuck