New part MQ-6 (#2217)

* New part MQ-6

Sensor_Gas.dcm

@@ -6,4 +6,10 @@ K metal oxide gas sensor MOX volatile organix comounds VOC I2C
 F http://ams.com/eng/Products/Environmental-Sensors/Air-Quality-Sensors/CCS811
 $ENDCMP
 #
+$CMP MQ-6
+D Semiconductor Sensor for Flammable Gas
+K flammable gas sensor LPG
+F https://www.winsen-sensor.com/d/files/semiconductor/mq-6.pdf
+$ENDCMP
+#
 #End Doc Library

Sensor_Gas.lib

@@ -1,9 +1,9 @@
-EESchema-LIBRARY Version 2.3
+EESchema-LIBRARY Version 2.4
 #encoding utf-8
 #
 # CCS811
 #
-DEF CCS811 U 0 40 Y Y 1 F N
+DEF CCS811 U 0 20 Y Y 1 F N
 F0 "U" -350 550 50 H V C CNN
 F1 "CCS811" -250 450 50 H V C CNN
 F2 "Package_LGA:AMS_LGA-10-1EP_2.7x4mm_P0.6mm" 0 -600 50 H I C CNN
@@ -14,6 +14,8 @@ $ENDFPLIST
 DRAW
 S -300 400 300 -400 0 1 10 f
 X ADDR 1 -400 300 100 R 50 50 1 1 I
+X SCL 10 -400 0 100 R 50 50 1 1 I
+X GND 11 0 -500 100 U 50 50 1 1 W
 X ~RESET 2 -400 -200 100 R 50 50 1 1 I
 X ~INT 3 -400 200 100 R 50 50 1 1 O
 X PWM 4 400 200 100 L 50 50 1 1 O
@@ -22,8 +24,27 @@ X VDD 6 0 500 100 D 50 50 1 1 W
 X ~WAKE 7 -400 -300 100 R 50 50 1 1 I
 X AUX 8 400 -100 100 L 50 50 1 1 I
 X SDA 9 -400 100 100 R 50 50 1 1 B
-X SCL 10 -400 0 100 R 50 50 1 1 I
-X GND 11 0 -500 100 U 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# MQ-6
+#
+DEF MQ-6 U? 0 20 Y Y 1 F N
+F0 "U?" -250 350 50 H V C CNN
+F1 "MQ-6" 150 350 50 H V C CNN
+F2 "Sensor:MQ-6" 50 -450 50 H I C CNN
+F3 "" 0 250 50 H I C CNN
+$FPLIST
+ *MQ*6*
+$ENDFPLIST
+DRAW
+S -300 300 300 -300 0 1 10 f
+X B1 1 400 100 100 L 50 50 1 1 P
+X VH+ 2 0 400 100 D 50 50 1 1 W
+X B2 3 400 -100 100 L 50 50 1 1 P
+X A2 4 -400 -100 100 R 50 50 1 1 P
+X VH- 5 0 -400 100 U 50 50 1 1 W
+X A1 6 -400 100 100 R 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #