diff --git a/README.md b/README.md
index 8ef6bd1..3b5f04b 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,7 @@ Note 2:
 Grounding the RUN terminal will reset the Pico. I've jumped run to a button and the other side of the button to ground. Easy clickable reset.
 </p>
 
-Connections:
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+Connections:
+Raspberry pi is putting out 3v, use 3v-32vdc contactor/relay to switch on high voltage to fans, ac, heat, etc.
+
+Will need to take temperatures and humidity. Want to compensate AC with outside air if possible.
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