From 52c526131d577945b5d5e0670e3ea24face3f796 Mon Sep 17 00:00:00 2001
From: j0ta29 <jota@gmx.de>
Date: Tue, 26 Mar 2024 20:12:15 +0000
Subject: [PATCH] added pragma one header guard

---
 esphome/components/optolink/helpers.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/esphome/components/optolink/helpers.h b/esphome/components/optolink/helpers.h
index cb46ea44d9..15eb8e84d7 100644
--- a/esphome/components/optolink/helpers.h
+++ b/esphome/components/optolink/helpers.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #ifdef USE_ARDUINO
 
 #include <cstdint>