diff --git a/dualpid/src/outputdrv.cpp b/dualpid/src/outputdrv.cpp
index a72e91e..875c46f 100644
--- a/dualpid/src/outputdrv.cpp
+++ b/dualpid/src/outputdrv.cpp
@@ -190,7 +190,7 @@ void UnitSSRDriver::_off() { _ssr.setRelay(_inverted); };
 #endif // OUTPUTDRV_M5UNIT_SSR_ENABLED
 
 #ifdef OUTPUTDRV_M5UNIT_HBRIDGE_ENABLED
-#include <M5UnitHbridge.h>
+#include <M5UnitHBridge.h>
 bool M5UnitHbridgeDriver::begin(const output_driver_config_t &cfg, const int32_t channel_id)
 {
     uint8_t addr = cfg.m5unit_hbridge.i2c_addr ? (uint8_t)cfg.m5unit_hbridge.i2c_addr : M5UNIT_HBRIDGE_ADDRESS_DEFAULT;
diff --git a/dualpid/src/outputdrv.h b/dualpid/src/outputdrv.h
index 9d2c37c..a8e7ded 100644
--- a/dualpid/src/outputdrv.h
+++ b/dualpid/src/outputdrv.h
@@ -185,7 +185,7 @@ class UnitSSRDriver : public SlowPWMBase
 #endif // OUTPUTDRV_M5UNIT_SSR_ENABLED
 
 #ifdef OUTPUTDRV_M5UNIT_HBRIDGE_ENABLED
-#include <M5UnitHbridge.h>
+#include <M5UnitHBridge.h>
 class M5UnitHbridgeDriver : public SlowPWMBase
 {
 	public:
@@ -200,4 +200,4 @@ class M5UnitHbridgeDriver : public SlowPWMBase
 };
 #endif // OUTPUTDRV_M5UNIT_HBRIDGE_ENABLED
 
-#endif // __OUTPUT_H
\ No newline at end of file
+#endif // __OUTPUT_H
diff --git a/dualpid/src/pidloop.cpp b/dualpid/src/pidloop.cpp
index 69dae47..7c5fc14 100644
--- a/dualpid/src/pidloop.cpp
+++ b/dualpid/src/pidloop.cpp
@@ -307,7 +307,7 @@ void PIDLoop::do_input()
         return;
     };
 
-    double read = _inputdrv->read();
+    double read = _inputdrv->read() + _settings.input_offset;
 
     // reset filter if previous was NaN
     if(isnan(_input_value))
diff --git a/dualpid/src/pidloop.h b/dualpid/src/pidloop.h
index 2f97e29..e120738 100644
--- a/dualpid/src/pidloop.h
+++ b/dualpid/src/pidloop.h
@@ -58,9 +58,11 @@ class PIDLoop: private NonCopyable
             int32_t _reserved; // left from previous double lock_window
             int32_t lock_time;
             double input_filter;
+            double input_offset;
             int32_t input_drv;
             // input_driver_config_t input_cfg;
             int32_t fixed_output_value;
+            double temp_offset_c;
         } settings_t;
 
         PIDLoop(uint32_t id, PIDLoop::settings_t& s);
@@ -109,4 +111,4 @@ class PIDLoop: private NonCopyable
         bool _outputdrv_ok;
 };
 
-#endif // __PIDLOOP_H
\ No newline at end of file
+#endif // __PIDLOOP_H
diff --git a/dualpid/src/screens/menu.cpp b/dualpid/src/screens/menu.cpp
index f786a22..759c007 100644
--- a/dualpid/src/screens/menu.cpp
+++ b/dualpid/src/screens/menu.cpp
@@ -209,6 +209,7 @@ MenuScreen::MenuScreen(SooghGUI& g) : Screen(g)
             sub->addSeparator("Input");
             sub->addSelector("Sensor", &set.input_drv, input_drivers)->onChange(set_need_reboot);
             sub->addSpinbox("Input Filter", &set.input_filter, 0, 1, 2);
+            sub->addSpinbox("Input Offset", &set.input_offset, -99, 99, 2);
             sub->addSeparator("PID");
             sub->addSelector("Looptime", &set.looptime, pid_loop_times);
             sub->addSelector("Lock Time", &set.lock_time, lock_times);