Add a library symbol for the soon to be added audio level sensor.

hardware/libraries/elabdev.dcm

@@ -59,6 +59,12 @@ K Crystal Clock Oscillator
 F http://www.taitien.com/wp-content/uploads/2015/12/XO-0081_TY.pdf
 $ENDCMP
 #
+$CMP CMM-2718AB-383161
+D MEMS Omnidirectional Digital Microphone, HLGA-3
+K MEMS Microphone
+F https://www.cui.com/product/resource/cmm-2718ab-383161-tr.pdf
+$ENDCMP
+#
 $CMP ALSPT19
 D Ambient Light Sensor, Phototransistor
 K phototransistor ambient light sensor

hardware/libraries/elabdev.lib

@@ -369,6 +369,26 @@ X VCC 4 0 300 100 D 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# CMM-2718AB-383161
+#
+DEF CMM-2718AB-383161 MIC 0 20 Y Y 1 F N
+F0 "MIC" -300 250 50 H V L CNN
+F1 "CMM-2718AB-383161" 50 -250 50 H V L CNN
+F2 "Elabdev:HLGA-3_1.85x2.75mm_P0.95mm" -900 -350 50 H I L CIN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ HLGA*1.85x2.75mm*P0.95mm*
+$ENDFPLIST
+DRAW
+C -150 0 50 0 1 10 N
+S -300 200 300 -200 0 1 10 f
+P 2 0 1 15 -200 50 -200 -50 N
+X VDD 1 0 300 100 D 50 50 1 1 W
+X OUT 2 400 0 100 L 50 50 1 1 O
+X GND 3 0 -300 100 U 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # ALSPT19
 #
 DEF ALSPT19 Q 0 0 Y N 1 F N