diff --git a/setsensor.cpp b/setsensor.cpp
new file mode 100644
index 0000000..7daa762
--- /dev/null
+++ b/setsensor.cpp
@@ -0,0 +1,100 @@
+#include <iostream>
+#include <string>
+
+#include <sdbusplus/bus.hpp>
+#include <sdbusplus/message.hpp>
+
+/* Fan Control */
+static constexpr auto objectPath = "/xyz/openbmc_project/settings/fanctrl/zone";
+static constexpr auto busName = "xyz.openbmc_project.State.FanCtrl";
+static constexpr auto intf = "xyz.openbmc_project.Control.FanCtrl.Mode";
+static constexpr auto property = "Manual";
+using Value = sdbusplus::message::variant<bool>;
+
+/* Host Sensor. */
+static constexpr auto sobjectPath =
+    "/xyz/openbmc_project/extsensors/margin/sluggish0";
+static constexpr auto sbusName = "xyz.openbmc_project.Hwmon.external";
+static constexpr auto sintf = "xyz.openbmc_project.Sensor.Value";
+static constexpr auto sproperty = "Value";
+using sValue = sdbusplus::message::variant<int64_t>;
+
+
+static constexpr auto propertiesintf = "org.freedesktop.DBus.Properties";
+
+static void SetHostSensor(void)
+{
+    int64_t value = 300;
+    sValue v {value};
+
+    std::string busname {sbusName};
+    auto PropertyWriteBus = sdbusplus::bus::new_default();
+    std::string path {sobjectPath};
+
+    auto pimMsg = PropertyWriteBus.new_method_call(
+                      busname.c_str(),
+                      path.c_str(),
+                      propertiesintf,
+                      "Set");
+
+    pimMsg.append(sintf);
+    pimMsg.append(sproperty);
+    pimMsg.append(v);
+
+    auto responseMsg = PropertyWriteBus.call(pimMsg);
+    if (responseMsg.is_method_error())
+    {
+        fprintf(stderr, "call to Set the host sensor value failed.\n");
+    }
+    else
+    {
+        fprintf(stderr, "call to Set the host sensor value succeeded.\n");
+    }
+}
+
+static std::string GetControlPath(int8_t zone)
+{
+    return std::string(objectPath) + std::to_string(zone);
+}
+
+static void SetManualMode(int8_t zone)
+{
+    bool setValue = (bool)0x01;
+
+    Value v {setValue};
+
+    std::string busname {busName};
+    auto PropertyWriteBus = sdbusplus::bus::new_default();
+    std::string path = GetControlPath(zone);
+
+    auto pimMsg = PropertyWriteBus.new_method_call(
+                      busname.c_str(),
+                      path.c_str(),
+                      propertiesintf,
+                      "Set");
+
+    pimMsg.append(intf);
+    pimMsg.append(property);
+    pimMsg.append(v);
+
+    auto responseMsg = PropertyWriteBus.call(pimMsg);
+    if (responseMsg.is_method_error())
+    {
+        fprintf(stderr, "call to Set the manual mode failed.\n");
+    }
+    else
+    {
+        fprintf(stderr, "call to Set the manual mode succeeded.\n");
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    int rc = 0;
+
+    int64_t zone = 0x01;
+
+    SetManualMode(zone);
+    SetHostSensor();
+    return rc;
+}