added initial files, need some changes

PCB/esp32_only/project_libs/htu21d.lib

@@ -0,0 +1,23 @@
+EESchema-LIBRARY Version 2.3  Date: Fri 24 Oct 2014 08:35:39 PM EDT
+#encoding utf-8
+#
+# HTU21D
+#
+DEF HTU21D U 0 40 Y Y 1 F N
+F0 "U" -150 150 60 H V C CNN
+F1 "HTU21D" 250 -450 60 H V C CNN
+F2 "~" 0 0 60 H V C CNN
+F3 "~" 0 0 60 H V C CNN
+DRAW
+S -200 100 400 -400 0 1 0 f
+X SDA 1 -500 0 300 R 50 50 1 1 I
+X GND 2 700 -200 300 L 50 50 1 1 I
+X NC 3 700 -100 300 L 50 50 1 1 N
+X NC 4 700 0 300 L 50 50 1 1 N
+X VDD 5 -500 -300 300 R 50 50 1 1 I
+X SCL 6 -500 -100 300 R 50 50 1 1 I
+X GND 7 700 -300 300 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library