diff --git a/usermods/Fix_unreachable_netservices_v2/readme.md b/usermods/Fix_unreachable_netservices_v2/readme.md
new file mode 100644
index 00000000..f7d2aed6
--- /dev/null
+++ b/usermods/Fix_unreachable_netservices_v2/readme.md
@@ -0,0 +1,54 @@
+# Fix unreachable net services V2
+
+This usermod-v2 modification performs a ping request to the local IP address every 60 seconds. By this procedure the net services of WLED remains accessible in some problematic WLAN environments.
+
+The modification works with static or DHCP IP address configuration.
+
+**Webinterface**: The number of pings and reconnects is displayed on the info page in the web interface.
+
+_Story:_
+
+Unfortunately, with all ESP projects where a web server or other network services are running, I have the problem that after some time the web server is no longer accessible.  Now I found out that the connection is at least reestablished when a ping request is executed by the device.
+
+With this modification, in the worst case, the network functions are not available for 60 seconds until the next ping request.
+
+## Installation
+
+1. Copy the file `usermod_Fix_unreachable_netservices.h` to the `wled00` directory.
+2. Register the usermod by adding `#include "usermod_Fix_unreachable_netservices.h"` in the top and `registerUsermod(new FixUnreachableNetServices());` in the bottom of `usermods_list.cpp`.
+
+Example **usermods_list.cpp**:
+
+```cpp
+#include "wled.h"
+/*
+ * Register your v2 usermods here!
+ *   (for v1 usermods using just usermod.cpp, you can ignore this file)
+ */
+
+/*
+ * Add/uncomment your usermod filename here (and once more below)
+ * || || ||
+ * \/ \/ \/
+ */
+//#include "usermod_v2_example.h"
+//#include "usermod_temperature.h"
+//#include "usermod_v2_empty.h"
+#include  "usermod_Fix_unreachable_netservices.h"
+
+void registerUsermods()
+{
+  /*
+   * Add your usermod class name here
+   * || || ||
+   * \/ \/ \/
+   */
+  //usermods.add(new MyExampleUsermod());
+  //usermods.add(new UsermodTemperature());
+  //usermods.add(new UsermodRenameMe());
+  usermods.add(new FixUnreachableNetServices());
+
+}
+```
+
+Hopefully I can help someone with that - @gegu
diff --git a/usermods/Fix_unreachable_netservices_v2/usermod_Fix_unreachable_netservices.h b/usermods/Fix_unreachable_netservices_v2/usermod_Fix_unreachable_netservices.h
new file mode 100644
index 00000000..8ffc821e
--- /dev/null
+++ b/usermods/Fix_unreachable_netservices_v2/usermod_Fix_unreachable_netservices.h
@@ -0,0 +1,138 @@
+#pragma once
+
+#include "wled.h"
+#include <ping.h>
+
+/*
+ * This usermod performs a ping request to the local IP address every 60 seconds. 
+ * By this procedure the net services of WLED remains accessible in some problematic WLAN environments.
+ * 
+ * Usermods allow you to add own functionality to WLED more easily
+ * See: https://github.com/Aircoookie/WLED/wiki/Add-own-functionality
+ * 
+ * v2 usermods are class inheritance based and can (but don't have to) implement more functions, each of them is shown in this example.
+ * Multiple v2 usermods can be added to one compilation easily.
+ * 
+ * Creating a usermod:
+ * This file serves as an example. If you want to create a usermod, it is recommended to use usermod_v2_empty.h from the usermods folder as a template.
+ * Please remember to rename the class and file to a descriptive name.
+ * You may also use multiple .h and .cpp files.
+ * 
+ * Using a usermod:
+ * 1. Copy the usermod into the sketch folder (same folder as wled00.ino)
+ * 2. Register the usermod by adding #include "usermod_filename.h" in the top and registerUsermod(new MyUsermodClass()) in the bottom of usermods_list.cpp
+ */
+
+class FixUnreachableNetServices : public Usermod {
+  private:
+    //Private class members. You can declare variables and functions only accessible to your usermod here
+    unsigned long m_lastTime = 0;
+
+    // desclare required variables
+    const unsigned int PingDelayMs = 60000;
+    unsigned long m_connectedWiFi = 0;
+    ping_option m_pingOpt;
+    unsigned int m_pingCount = 0;
+
+  public:
+    //Functions called by WLED
+
+    /*
+     * setup() is called once at boot. WiFi is not yet connected at this point.
+     * You can use it to initialize variables, sensors or similar.
+     */
+    void setup() {
+      //Serial.println("Hello from my usermod!");
+    }
+
+
+    /*
+     * connected() is called every time the WiFi is (re)connected
+     * Use it to initialize network interfaces
+     */
+    void connected() {
+      //Serial.println("Connected to WiFi!");
+
+      ++m_connectedWiFi;
+      
+      // initialize ping_options structure
+      memset(&m_pingOpt, 0, sizeof(struct ping_option));
+      m_pingOpt.count = 1;
+      m_pingOpt.ip = WiFi.localIP();
+
+    }
+
+
+    /*
+     * loop() is called continuously. Here you can check for events, read sensors, etc.
+     * 
+     * Tips:
+     * 1. You can use "if (WLED_CONNECTED)" to check for a successful network connection.
+     *    Additionally, "if (WLED_MQTT_CONNECTED)" is available to check for a connection to an MQTT broker.
+     * 
+     * 2. Try to avoid using the delay() function. NEVER use delays longer than 10 milliseconds.
+     *    Instead, use a timer check as shown here.
+     */
+    void loop() {
+      if (m_connectedWiFi > 0 && millis()-m_lastTime > PingDelayMs)
+      {
+        ping_start(&m_pingOpt);
+        m_lastTime = millis();
+        ++m_pingCount;
+      }
+    }
+
+
+    /*
+     * addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
+     * Creating an "u" object allows you to add custom key/value pairs to the Info section of the WLED web UI.
+     * Below it is shown how this could be used for e.g. a light sensor
+     */
+    void addToJsonInfo(JsonObject& root)
+    {
+      //this code adds "u":{"&#x26A1; Ping fix pings": m_pingCount} to the info object
+      JsonObject user = root["u"];
+      if (user.isNull()) user = root.createNestedObject("u");
+
+      JsonArray infoArr = user.createNestedArray("&#x26A1; Ping fix pings"); //name
+      infoArr.add(m_pingCount); //value
+
+      //this code adds "u":{"&#x26A1; Reconnects": m_connectedWiFi - 1} to the info object
+      infoArr = user.createNestedArray("&#x26A1; Reconnects"); //name
+      infoArr.add(m_connectedWiFi - 1); //value
+    }
+
+
+    /*
+     * addToJsonState() can be used to add custom entries to the /json/state part of the JSON API (state object).
+     * Values in the state object may be modified by connected clients
+     */
+    void addToJsonState(JsonObject& root)
+    {
+      //root["user0"] = userVar0;
+    }
+
+
+    /*
+     * readFromJsonState() can be used to receive data clients send to the /json/state part of the JSON API (state object).
+     * Values in the state object may be modified by connected clients
+     */
+    void readFromJsonState(JsonObject& root)
+    {
+      //userVar0 = root["user0"] | userVar0; //if "user0" key exists in JSON, update, else keep old value
+      //if (root["bri"] == 255) Serial.println(F("Don't burn down your garage!"));
+    }
+    
+   
+    /*
+     * getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
+     * This could be used in the future for the system to determine whether your usermod is installed.
+     */
+    uint16_t getId()
+    {
+      return USERMOD_ID_FIXNETSERVICES;
+    }
+
+   //More methods can be added in the future, this example will then be extended.
+   //Your usermod will remain compatible as it does not need to implement all methods from the Usermod base class!
+};
diff --git a/usermods/PIR_sensor_switch/readme.md b/usermods/PIR_sensor_switch/readme.md
new file mode 100644
index 00000000..447f541c
--- /dev/null
+++ b/usermods/PIR_sensor_switch/readme.md
@@ -0,0 +1,75 @@
+# PIR sensor switch
+
+This usermod-v2 modification allows the connection of a PIR sensor to switch on the LED strip when motion is detected. The switch-off occurs ten minutes after no more motion is detected.
+
+_Story:_
+
+I use the PIR Sensor to automatically turn on the WLED analog clock in my home office room when I am there.
+The LED strip is switched [using a relay](https://github.com/Aircoookie/WLED/wiki/Control-a-relay-with-WLED) to keep the power consumption low when it is switched off.
+
+## Webinterface
+
+The info page in the web interface shows the items below
+
+- the state of the sensor. By clicking on the state the sensor can be deactivated/activated. 
+**I recommend to deactivate the sensor before installing an OTA update**.
+- the remaining time of the off timer. 
+
+## JSON API
+
+The usermod supports  the following state changes:
+
+| JSON key   | Value range | Description                     |
+|------------|-------------|---------------------------------|
+| PIRenabled | bool        | Deactivdate/activate the sensor |
+| PIRoffSec  | 60 to 43200 | Off timer seconds               |
+
+## Sensor connection
+
+My setup uses an HC-SR501 sensor, a HC-SR505 should also work.
+
+The usermod uses GPIO13 (D1 mini pin D7) for the sensor signal. 
+[This example page](http://www.esp8266learning.com/wemos-mini-pir-sensor-example.php) describes how to connect the sensor.
+
+Use the potentiometers on the sensor to set the time-delay to the minimum and the sensitivity to about half, or slightly above.
+
+## Usermod installation
+
+1. Copy the file `usermod_PIR_sensor_switch.h` to the `wled00` directory.
+2. Register the usermod by adding `#include "usermod_PIR_sensor_switch.h"` in the top and `registerUsermod(new PIRsensorSwitch());` in the bottom of `usermods_list.cpp`.
+
+Example **usermods_list.cpp**:
+
+```cpp
+#include "wled.h"
+/*
+ * Register your v2 usermods here!
+ *   (for v1 usermods using just usermod.cpp, you can ignore this file)
+ */
+
+/*
+ * Add/uncomment your usermod filename here (and once more below)
+ * || || ||
+ * \/ \/ \/
+ */
+//#include "usermod_v2_example.h"
+//#include "usermod_temperature.h"
+//#include "usermod_v2_empty.h"
+#include  "usermod_PIR_sensor_switch.h"
+
+void registerUsermods()
+{
+  /*
+   * Add your usermod class name here
+   * || || ||
+   * \/ \/ \/
+   */
+  //usermods.add(new MyExampleUsermod());
+  //usermods.add(new UsermodTemperature());
+  //usermods.add(new UsermodRenameMe());
+  usermods.add(new PIRsensorSwitch());
+
+}
+```
+
+Have fun - @gegu
diff --git a/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h b/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
new file mode 100644
index 00000000..aa76147c
--- /dev/null
+++ b/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
@@ -0,0 +1,249 @@
+#pragma once
+
+#include "wled.h"
+
+/*
+ * This usermod handles PIR sensor states.
+ * The strip will be switched on and the off timer will be resetted when the sensor goes HIGH. 
+ * When the sensor state goes LOW, the off timer is started and when it expires, the strip is switched off. 
+ * 
+ * 
+ * Usermods allow you to add own functionality to WLED more easily
+ * See: https://github.com/Aircoookie/WLED/wiki/Add-own-functionality
+ * 
+ * v2 usermods are class inheritance based and can (but don't have to) implement more functions, each of them is shown in this example.
+ * Multiple v2 usermods can be added to one compilation easily.
+ * 
+ * Creating a usermod:
+ * This file serves as an example. If you want to create a usermod, it is recommended to use usermod_v2_empty.h from the usermods folder as a template.
+ * Please remember to rename the class and file to a descriptive name.
+ * You may also use multiple .h and .cpp files.
+ * 
+ * Using a usermod:
+ * 1. Copy the usermod into the sketch folder (same folder as wled00.ino)
+ * 2. Register the usermod by adding #include "usermod_filename.h" in the top and registerUsermod(new MyUsermodClass()) in the bottom of usermods_list.cpp
+ */
+
+class PIRsensorSwitch : public Usermod {
+  private:
+    // PIR sensor pin
+    const uint8_t PIRsensorPin = 13; // D7 on D1 mini
+    // notification mode for colorUpdated()
+    const byte NotifyUpdateMode = NOTIFIER_CALL_MODE_NO_NOTIFY; // NOTIFIER_CALL_MODE_DIRECT_CHANGE
+    // delay before switch off after the sensor state goes LOW
+    uint32_t m_switchOffDelay = 120000;
+    // off timer start time
+    uint32_t m_offTimerStart = 0;
+    // current PIR sensor pin state
+    byte m_PIRsensorPinState = LOW;
+    // PIR sensor enabled - ISR attached
+    bool m_PIRenabled = true;
+
+    /*
+     * return or change if new PIR sensor state is available
+     */
+    static volatile bool newPIRsensorState(bool changeState = false, bool newState = false) {
+      static volatile bool s_PIRsensorState = false;
+      if (changeState) {
+        s_PIRsensorState = newState;
+      }
+      return s_PIRsensorState;
+    }
+
+    /*
+     * PIR sensor state has changed
+     */
+    static void IRAM_ATTR ISR_PIRstateChange() {
+      newPIRsensorState(true, true);
+    }
+
+    /*
+     * switch strip on/off
+     */
+    void switchStrip(bool switchOn) {
+      if (switchOn && bri == 0) {
+        bri = briLast;
+        colorUpdated(NotifyUpdateMode);
+      }    
+      else if (!switchOn && bri != 0) {
+        briLast = bri;
+        bri = 0;
+        colorUpdated(NotifyUpdateMode);
+      }
+    }
+
+    /*
+     * Read and update PIR sensor state.
+     * Initilize/reset switch off timer
+     */
+    bool updatePIRsensorState() {
+      if (newPIRsensorState()) {
+        m_PIRsensorPinState = digitalRead(PIRsensorPin);
+        
+        if (m_PIRsensorPinState == HIGH) {
+          m_offTimerStart = 0;
+          switchStrip(true);
+        }
+        else if (bri != 0) {
+          // start switch off timer
+          m_offTimerStart = millis();
+        }
+        newPIRsensorState(true, false);
+        return true;
+      }
+      return false;
+    }
+
+    /* 
+     * switch off the strip if the delay has elapsed 
+     */
+    bool handleOffTimer() {
+      if (m_offTimerStart > 0 && millis() - m_offTimerStart > m_switchOffDelay) {
+        switchStrip(false);
+        m_offTimerStart = 0;        
+        return true;
+      }
+      return false;
+    }
+
+  public:
+    //Functions called by WLED
+
+    /*
+     * setup() is called once at boot. WiFi is not yet connected at this point.
+     * You can use it to initialize variables, sensors or similar.
+     */
+    void setup() {
+      // PIR Sensor mode INPUT_PULLUP
+      pinMode(PIRsensorPin, INPUT_PULLUP);
+      // assign interrupt function and set CHANGE mode
+      attachInterrupt(digitalPinToInterrupt(PIRsensorPin), ISR_PIRstateChange, CHANGE);
+    }
+
+
+    /*
+     * connected() is called every time the WiFi is (re)connected
+     * Use it to initialize network interfaces
+     */
+    void connected() {
+
+    }
+
+
+    /*
+     * loop() is called continuously. Here you can check for events, read sensors, etc.
+     */
+    void loop() {
+      if (!updatePIRsensorState()) {
+        handleOffTimer();
+      }
+    }
+
+    /*
+     * addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
+     * 
+     * Add PIR sensor state and switch off timer duration to jsoninfo
+     */
+    void addToJsonInfo(JsonObject& root)
+    {
+      //this code adds "u":{"&#x23F2; PIR sensor state":uiDomString} to the info object
+      // the value contains a button to toggle the sensor enabled/disabled
+      JsonObject user = root["u"];
+      if (user.isNull()) user = root.createNestedObject("u");
+
+      JsonArray infoArr = user.createNestedArray("&#x23F2; PIR sensor state"); //name
+      String uiDomString = "<button class=\"btn infobtn\" onclick=\"requestJson({PIRenabled:";
+      String sensorStateInfo;
+
+      // PIR sensor state
+      if (m_PIRenabled) {
+        uiDomString += "false";
+        sensorStateInfo = (m_PIRsensorPinState != LOW ? "active" : "inactive"); //value
+      } else {
+        uiDomString += "true";
+        sensorStateInfo = "Disabled !";
+      }
+      uiDomString += "});return false;\">";
+      uiDomString +=  sensorStateInfo;
+      uiDomString += "</button>";
+      infoArr.add(uiDomString); //value
+
+      //this code adds "u":{"&#x23F2; switch off timer":uiDomString} to the info object
+      infoArr = user.createNestedArray("&#x23F2; switch off timer"); //name
+
+      // off timer
+      if (m_offTimerStart > 0) {
+        uiDomString = "";
+        unsigned int offSeconds = (m_switchOffDelay - (millis() - m_offTimerStart)) / 1000;
+        if (offSeconds >= 3600) {
+          uiDomString += (offSeconds / 3600); 
+          uiDomString += " hours "; 
+          offSeconds %= 3600;
+        }
+        if (offSeconds >= 60) {
+          uiDomString += (offSeconds / 60); 
+          offSeconds %= 60;
+        } else if (uiDomString.length() > 0){
+          uiDomString += 0; 
+        }
+        if (uiDomString.length() > 0){
+          uiDomString += " min ";
+        }
+        uiDomString += (offSeconds); 
+        infoArr.add(uiDomString + " sec");
+      } else {
+        infoArr.add("inactive");
+      }
+    }
+
+
+    /*
+     * addToJsonState() can be used to add custom entries to the /json/state part of the JSON API (state object).
+     * Values in the state object may be modified by connected clients
+     * Add "PIRenabled" to json state. This can be used to disable/enable the sensor.
+     * Add "PIRoffSec" to json state. This can be used to adjust <m_switchOffDelay> milliseconds .
+     */
+    void addToJsonState(JsonObject& root)
+    {
+      root["PIRenabled"] = m_PIRenabled;
+      root["PIRoffSec"] = (m_switchOffDelay / 1000);
+    }
+
+
+    /*
+     * readFromJsonState() can be used to receive data clients send to the /json/state part of the JSON API (state object).
+     * Values in the state object may be modified by connected clients
+     * Read "PIRenabled" from json state and switch enable/disable the PIR sensor.
+     * Read "PIRoffSec" from json state and adjust <m_switchOffDelay> milliseconds .
+     */
+    void readFromJsonState(JsonObject& root)
+    {
+      if (root["PIRoffSec"] != nullptr) {
+        m_switchOffDelay = (1000 * max(60UL, min(43200UL, root["PIRoffSec"].as<unsigned long>())));
+      }
+      
+      if (root["PIRenabled"] != nullptr) {
+        if (root["PIRenabled"] && !m_PIRenabled) {
+          attachInterrupt(digitalPinToInterrupt(PIRsensorPin), ISR_PIRstateChange, CHANGE);
+          newPIRsensorState(true, true);
+        } 
+        else if(m_PIRenabled) {
+          detachInterrupt(PIRsensorPin);
+        }
+        m_PIRenabled = root["PIRenabled"];          
+      }
+    }
+    
+   
+    /*
+     * getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
+     * This could be used in the future for the system to determine whether your usermod is installed.
+     */
+    uint16_t getId()
+    {
+      return USERMOD_ID_PIRSWITCH;
+    }
+
+   //More methods can be added in the future, this example will then be extended.
+   //Your usermod will remain compatible as it does not need to implement all methods from the Usermod base class!
+};
diff --git a/wled00/const.h b/wled00/const.h
index ba905f0d..34e42f8a 100644
--- a/wled00/const.h
+++ b/wled00/const.h
@@ -18,6 +18,8 @@
 #define USERMOD_ID_UNSPECIFIED    1            //Default value for a general user mod that does not specify a custom ID
 #define USERMOD_ID_EXAMPLE        2            //Usermod "usermod_v2_example.h"
 #define USERMOD_ID_TEMPERATURE    3            //Usermod "usermod_temperature.h"
+#define USERMOD_ID_FIXNETSERVICES 4            //Usermod "usermod_Fix_unreachable_netservices.h"
+#define USERMOD_ID_PIRSWITCH      5            //Usermod "usermod_PIR_sensor_switch.h"
 
 //Access point behavior
 #define AP_BEHAVIOR_BOOT_NO_CONN  0            //Open AP when no connection after boot