diff --git a/_P084_VEML6070.py b/_P084_VEML6070.py
new file mode 100644
index 0000000..1895f18
--- /dev/null
+++ b/_P084_VEML6070.py
@@ -0,0 +1,131 @@
+#!/usr/bin/env python3
+#############################################################################
+##################### VEML6070 plugin for RPIEasy ###########################
+#############################################################################
+#
+# Based on original ESPEasy P084 plugin
+#
+# Copyright (C) 2020 by Alexander Nagy - https://bitekmindenhol.blog.hu/
+#
+import plugin
+import webserver
+import rpieGlobals
+import rpieTime
+import misc
+import gpios
+import time
+
+class Plugin(plugin.PluginProto):
+ PLUGIN_ID = 84
+ PLUGIN_NAME = "Environment - VEML6070 UV sensor (TESTING)"
+ PLUGIN_VALUENAME1 = "UV-Raw"
+ PLUGIN_VALUENAME2 = "UV-Risk"
+ PLUGIN_VALUENAME3 = "UV-Power"
+ VEML6070_ADDR_H             = 0x39
+ VEML6070_ADDR_L             = 0x38
+ VEML6070_RSET_DEFAULT       = 270000      # 270K default resistor value 270000 ohm, range from 220K..1Meg
+ VEML6070_UV_MAX_INDEX       = 15          # normal 11, internal on weather laboratories and NASA it's 15 so far the sensor is linear
+ VEML6070_UV_MAX_DEFAULT     = 11          # 11 = public default table values
+ VEML6070_POWER_COEFFCIENT   = 0.025       # based on calculations from Karel Vanicek and reorder by hand
+ VEML6070_TABLE_COEFFCIENT   = 32.86270591
+ VEML6070_base_value = ((VEML6070_RSET_DEFAULT / VEML6070_TABLE_COEFFCIENT) / VEML6070_UV_MAX_DEFAULT) * (1)
+ VEML6070_max_value  = ((VEML6070_RSET_DEFAULT / VEML6070_TABLE_COEFFCIENT) / VEML6070_UV_MAX_DEFAULT) * (VEML6070_UV_MAX_INDEX)
+
+ def __init__(self,taskindex): # general init
+  plugin.PluginProto.__init__(self,taskindex)
+  self.dtype = rpieGlobals.DEVICE_TYPE_I2C
+  self.vtype = rpieGlobals.SENSOR_TYPE_TRIPLE
+  self.readinprogress = 0
+  self.valuecount = 3
+  self.senddataoption = True
+  self.timeroption = True
+  self.timeroptional = False
+  self.formulaoption = True
+  self._nextdataservetime = 0
+  self.lastread = 0
+  self.i2cbus = None
+
+ def plugin_init(self,enableplugin=None):
+  plugin.PluginProto.plugin_init(self,enableplugin)
+  self.uservar[0] = 0
+  self.readinprogress = 0
+  if self.enabled:
+   try:
+    try:
+     i2cl = self.i2c
+    except:
+     i2cl = -1
+    self.i2cbus = gpios.HWPorts.i2c_init(i2cl)
+    if i2cl==-1:
+     self.i2cbus = gpios.HWPorts.i2cbus
+    if self.i2cbus is not None:
+     if self.interval>2:
+      nextr = self.interval-2
+     else:
+      nextr = self.interval
+     self._lastdataservetime = rpieTime.millis()-(nextr*1000)
+     self.lastread = 0
+     self.i2cbus.write_byte(self.VEML6070_ADDR_L, (( self.taskdevicepluginconfig[0] << 2) | 0x02)) # init veml
+    else:
+     misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"I2C can not be initialized!")
+     self.initialized = False
+   except Exception as e:
+    misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,str(e))
+    self.initialized = False
+    self.i2cbus = None
+
+ def webform_load(self): # create html page for settings
+  webserver.addFormNote("Enable <a href='pinout'>I2C bus</a> first, than <a href='i2cscanner'>search for the used address</a>!")
+  choice1 = self.taskdevicepluginconfig[0]
+  options = ["1/2T","1T","2T","4T"]
+  optionvalues = [0,1,2,3]
+  webserver.addFormSelector("Refresh Time Determination","itime",len(options),options,optionvalues,None,int(choice1))
+  return True
+
+ def webform_save(self,params): # process settings post reply
+  par = webserver.arg("itime",params)
+  if par == "":
+    par = 4
+  self.taskdevicepluginconfig[0] = int(par)
+  return True
+
+ def plugin_read(self): # deal with data processing at specified time interval
+  result = False
+  if self.enabled and self.initialized and self.readinprogress==0:
+   self.readinprogress = 1
+   try:
+    raw = self.VEML6070_readraw()
+   except Exception as e:
+    raw = None
+    misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"VEML6070: "+str(e))
+   if raw is not None:
+    self.set_value(1,raw,False)
+    risk = self.VEML6070_uvrisklevel(raw)
+    self.set_value(2,risk,False)
+    self.set_value(3,self.VEML6070_uvpower(risk),False)
+    self.plugin_senddata()
+   self._lastdataservetime = rpieTime.millis()
+   result = True
+   self.readinprogress = 0
+  return result
+
+ def VEML6070_readraw(self):
+     uv_raw = 0
+     try:
+      data1 = self.i2cbus.read_byte(self.VEML6070_ADDR_H)
+      data0 = self.i2cbus.read_byte(self.VEML6070_ADDR_L)
+      uv_raw = data1*256 + data0
+     except Exception as e:
+      pass
+     return uv_raw
+
+ def VEML6070_uvrisklevel(self,uv_level):
+     risk = 0
+     if (uv_level < self.VEML6070_max_value):
+      return (uv_level / self.VEML6070_base_value)
+     else:
+      misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"VEML6070 out of range: "+str(uv_level))
+     return 99
+
+ def VEML6070_uvpower(self,uvrisk):
+     return (self.VEML6070_POWER_COEFFCIENT * uvrisk)
diff --git a/_P201_GenSerial.py b/_P201_GenSerial.py
index f763532..d9a1ba7 100644
--- a/_P201_GenSerial.py
+++ b/_P201_GenSerial.py
@@ -12,6 +12,7 @@
 #  serialwrite,0xFF01            - sends two bytes (written in hexadecimal form): 255,1
 #  serialwrite,0x1045AA          - sends three bytes (written in hexadecimal form): 16,69,170
 #  serialwrite,this is a message - sends a simple string "this is a message"
+#  serialwriteln,this is a message - sends a simple string "this is a message\n"
 #
 # Copyright (C) 2018-2019 by Alexander Nagy - https://bitekmindenhol.blog.hu/
 #
@@ -65,7 +66,7 @@ def plugin_init(self,enableplugin=None):
   plugin.PluginProto.plugin_init(self,enableplugin)
   try:
    if str(self.taskdevicepluginconfig[0])!="0" and str(self.taskdevicepluginconfig[0]).strip()!="" and self.baud != 0:
-    self.serdev = None
+#    self.serdev = None
     self.initialized = False
     if self.enabled:
      self.calctimeout()
@@ -80,6 +81,10 @@ def plugin_init(self,enableplugin=None):
     else:
      self.baud = 0
      self.ports = 0
+     try:
+      self.serdev.close() # close in case if already opened by ourself
+     except:
+      pass
   except Exception as e:
      misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,str(e))
 
@@ -192,8 +197,13 @@ def convert(self,inbuf):
   return res 
 
  def connect(self):
+    try:
+     self.serdev.close() # close in case if already opened by ourself
+    except:
+     pass
     try:
      self.serdev = rpiSerial.SerialPort(self.taskdevicepluginconfig[0],self.baud,ptimeout=self.timeout,pbytesize=self.bsize,pstopbits=self.sbit)
+     misc.addLog(rpieGlobals.LOG_LEVEL_INFO,"Serial connected "+str(self.taskdevicepluginconfig[0]))
     except Exception as e:
      misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"Serial failed "+str(e))
     try:
@@ -233,7 +243,7 @@ def plugin_write(self,cmd):
   res = False
   cmdarr = cmd.split(",")
   cmdarr[0] = cmdarr[0].strip().lower()
-  if cmdarr[0] == "serialwrite":
+  if cmdarr[0] == "serialwrite" or cmdarr[0] == "serialwriteln":
    res = True
    sepp = cmd.find(',')
    text = cmd[sepp+1:]
@@ -249,6 +259,8 @@ def plugin_write(self,cmd):
      sbuf = str(text)
    else:
     sbuf = str(text)
+   if cmdarr[0] == "serialwriteln":
+    sbuf += "\n"
    if self.serdev is not None:
     try:
      self.serdev.write(sbuf)
diff --git a/gpios.py b/gpios.py
index b9637db..340b1dc 100644
--- a/gpios.py
+++ b/gpios.py
@@ -26,6 +26,8 @@
   "addr": [0x29]},
  {"name": "TSL2561 light sensor",
   "addr": [0x29,0x39,0x49]},
+ {"name": "VEML6070",
+  "addr": [0x38,0x39]},
  {"name": "APDS-9960 IR/Color/Proximity Sensor",
   "addr": [0x39]},
  {"name": "SSD1305/SSD1306 monochrome OLED",
@@ -48,6 +50,8 @@
   "addr": [0x4A]},
  {"name": "BH1750",
   "addr": [0x23,0x5C]},
+ {"name": "MLX90614",
+  "addr": [0x5a]},
  {"name": "MPR121 touch sensor",
   "addr": [0x5a,0x5b,0x5c,0x5d]},
  {"name": "DHT12/AM2320",
@@ -56,7 +60,7 @@
   "addr": [0x60,0x61]},
  {"name": "DS1307/DS3231/PCF8523 RTC",
   "addr": [0x68]},
- {"name": "MPU6050 Triple axis gyroscope & accelerometer",
+ {"name": "MPU6050;AMG88xx",
   "addr": [0x68,0x69]},
  {"name": "PCA9685 'All Call'",
   "addr": [0x70]},
diff --git a/lib/lib_serial.py b/lib/lib_serial.py
index d1e2d42..c7f4489 100644
--- a/lib/lib_serial.py
+++ b/lib/lib_serial.py
@@ -130,9 +130,18 @@ def close(self):
 
 def serial_portlist():
   ports = []
-  for port in serial.tools.list_ports.comports():
-   ports.append(str(port.device))
+  try:
+   for port in serial.tools.list_ports.comports(True): #include symlinks
+    ports.append(str(port.device))
+  except:
+   pass
   if len(ports)<1:
+   try:
+    for port in serial.tools.list_ports.comports(): #failsafe
+     ports.append(str(port.device))
+   except:
+    pass
+  if len(ports)<1: #alternative systems like orangepi
           import glob
           try:
            devlist1 = glob.glob('/dev/ttyS*')
diff --git a/linux_os.py b/linux_os.py
index bb8ca0f..b045f36 100644
--- a/linux_os.py
+++ b/linux_os.py
@@ -409,6 +409,15 @@ def getRPIVer():
        "lan":"1",
        "bt":"1"
       }
+     elif (hwid == "c03130"):
+      hwarr = { 
+       "name": "Pi 400 Rev1",
+       "ram": "4GB",
+       "pins": "40",
+       "wlan": "1",
+       "lan":"1",
+       "bt":"1"
+      }
      elif (hwid == "d03114"):
       hwarr = { 
        "name": "Pi 4 Model B",
diff --git a/plugindeps.py b/plugindeps.py
index b78016d..2b71597 100644
--- a/plugindeps.py
+++ b/plugindeps.py
@@ -431,6 +431,9 @@
 {"pluginid": "82", #GPS
  "supported_os_level": [1,2,3,10],
  "modules":["pyserial"]},
+{"pluginid": "84", # VEML6070
+ "supported_os_level": [3,10],
+ "modules":["i2c"]},
 {"pluginid": "111", #RF433 receiver
  "supported_os_level": [10],
  "modules":["GPIO","wpi","rcswitch"]},
diff --git a/rpieGlobals.py b/rpieGlobals.py
index d3ff2d7..bdbe69e 100644
--- a/rpieGlobals.py
+++ b/rpieGlobals.py
@@ -6,7 +6,7 @@
 # Copyright (C) 2018-2020 by Alexander Nagy - https://bitekmindenhol.blog.hu/
 #
 PROGNAME = "RPIEasy"
-BUILD   = 20320
+BUILD   = 20327
 PROGVER = str(BUILD)[:1]+"."+str(BUILD)[1:2]+"."+str(BUILD)[2:]
 
 gpMenu = []