From 2166a0fb695bdff4e631620d1d92a87e1eadc1ac Mon Sep 17 00:00:00 2001
From: cschwinne <dev.aircoookie@gmail.com>
Date: Tue, 14 Apr 2020 00:10:39 +0200
Subject: [PATCH] Fix ESP32 compilation (#109)

---
 src/EspalexaDevice.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/EspalexaDevice.h b/src/EspalexaDevice.h
index 4785591..0653a41 100644
--- a/src/EspalexaDevice.h
+++ b/src/EspalexaDevice.h
@@ -2,6 +2,7 @@
 #define EspalexaDevice_h
 
 #include "Arduino.h"
+#include <functional>
 
 typedef class EspalexaDevice;