From c60c486882fc668b39d1388589fcd9f0c93ab07e Mon Sep 17 00:00:00 2001
From: Fabian Schwartau <fabian@opencode.eu>
Date: Wed, 4 Mar 2026 13:01:15 +0100
Subject: [PATCH] Fix missing pull-down on OBS Pro and remove double button pin
 initialization

---
 src/OpenBikeSensorFirmware.cpp | 1 -
 src/utils/button.cpp           | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/OpenBikeSensorFirmware.cpp b/src/OpenBikeSensorFirmware.cpp
index b6440a5..1467510 100644
--- a/src/OpenBikeSensorFirmware.cpp
+++ b/src/OpenBikeSensorFirmware.cpp
@@ -237,7 +237,6 @@ void setup() {
   // Configure button pin as INPUT
   //##############################################################
 
-  pinMode(PUSHBUTTON_PIN, INPUT);
   pinMode(IP5306_BUTTON, OUTPUT);
   digitalWrite(IP5306_BUTTON, LOW);
   pinMode(BatterieVoltage_PIN, INPUT);
diff --git a/src/utils/button.cpp b/src/utils/button.cpp
index 150e8de..fff0876 100644
--- a/src/utils/button.cpp
+++ b/src/utils/button.cpp
@@ -26,7 +26,7 @@
 #include "variant.h"
 
 Button::Button(int pin) : mPin(pin) {
-  pinMode(pin, INPUT);
+  pinMode(pin, INPUT_PULLDOWN);
   mLastStateChangeMillis = mLastRawReadMillis = millis();
   mLastState = mLastRawState = read();
 }